ConfigPropertiesCascadeCommonUtils (Grouper Client 2.5.0-SNAPSHOT Java API.)

java.lang.Object
- edu.internet2.middleware.grouperClient.config.ConfigPropertiesCascadeCommonUtils

Direct Known Subclasses:

ConfigPropertiesCascadeUtils
```
public class ConfigPropertiesCascadeCommonUtils
extends Object
```
utility methods for grouper.

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class ConfigPropertiesCascadeCommonUtils.CommandResult
The results of executing a command.

Nested Classes
Modifier and Type	Class and Description
`static class`	`ConfigPropertiesCascadeCommonUtils.CommandResult` The results of executing a command.

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`DATE_FORMAT` string format of dates
`static String`	`DATE_MINUTES_SECONDS_FORMAT` format including minutes and seconds: yyyy/MM/dd HH:mm:ss
`static String`	`DATE_MINUTES_SECONDS_NO_SLASH_FORMAT` format including minutes and seconds: yyyyMMdd HH:mm:ss
`static int`	`DEFAULT_BUFFER_SIZE` The name says it all.
`static String`	`EMPTY` The empty String `""`.
`static Object[]`	`EMPTY_OBJECT_ARRAY` An empty immutable `Object` array.
`static String[]`	`EMPTY_STRING_ARRAY` An empty immutable `String` array.
`static int`	`INDEX_NOT_FOUND` Represents a failed index search.
`static String`	`LOG_ERROR`
`static int`	`NOT_FOUND` special number when a number is not found
`static long`	`ONE_GB` The number of bytes in a gigabyte.
`static long`	`ONE_KB` The number of bytes in a kilobyte.
`static long`	`ONE_MB` The number of bytes in a megabyte.
`static String`	`TIMESTAMP_FORMAT` format on screen of config for milestone: yyyy/MM/dd HH:mm:ss.SSS
`static String`	`TIMESTAMP_NO_SLASH_FORMAT` format on screen of config for milestone: yyyyMMdd HH:mm:ss.SSS

Constructor Summary

Constructors
Constructor and Description

ConfigPropertiesCascadeCommonUtils()

Constructors
Constructor and Description
`ConfigPropertiesCascadeCommonUtils()`

Method Summary

All Methods Static Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`static String`	`abbreviate(String str, int maxWidth)` Abbreviates a String using ellipses.
`static String`	`abbreviate(String str, int offset, int maxWidth)` Abbreviates a String using ellipses.
`static String`	`absolutePath(File file)` absolute path null safe
`static <T> void`	`addIfNotThere(Collection<T> list, Collection<T> listToAdd)` add each element of listToAdd if it is not already in list
`static void`	`append(StringBuilder result, String separatorIfResultNotEmpty, String stringToAppend)` append and maybe put a separator in there
`static String`	`argAfter(String[] args, String argBefore)` return the arg after the argBefore, or null if not there, or exception if argBefore is not found
`static String`	`argKey(String option)` from a command line arg, get the key.
`static Map<String,String>`	`argMap(String[] args)` add an option: --whatever=val to a map of options where --whatever is key, and val is value
`static Boolean`	`argMapBoolean(Map<String,String> argMap, Map<String,String> argMapNotUsed, String key)` get the value from the argMap
`static boolean`	`argMapBoolean(Map<String,String> argMap, Map<String,String> argMapNotUsed, String key, boolean required, boolean defaultValue)` get the value from the argMap, throw exception if not there and required
`static List<String>`	`argMapFileList(Map<String,String> argMap, Map<String,String> argMapNotUsed, String key, boolean required)` get the list from comma separated from the argMap, throw exception if not there and required
`static Integer`	`argMapInteger(Map<String,String> argMap, Map<String,String> argMapNotUsed, String key, boolean required, Integer defaultValue)` get the value from the argMap, throw exception if not there and required
`static List<String>`	`argMapList(Map<String,String> argMap, Map<String,String> argMapNotUsed, String key, boolean required)` get the list from comma separated from the argMap, throw exception if not there and required
`static Set<String>`	`argMapSet(Map<String,String> argMap, Map<String,String> argMapNotUsed, String key, boolean required)` get the set from comma separated from the argMap, throw exception if not there and required
`static String`	`argMapString(Map<String,String> argMap, Map<String,String> argMapNotUsed, String key, boolean required)` get the value from the argMap, throw exception if not there and required
`static Timestamp`	`argMapTimestamp(Map<String,String> argMap, Map<String,String> argMapNotUsed, String key)` get the value from the argMap, throw exception if not there and required
`static String`	`argValue(String option)` from a command line arg, get the key.
`static void`	`assertion(boolean isTrue, String reason)` If false, throw an assertException, and give a reason
`static void`	`assignField(Class theClass, Object invokeOn, String fieldName, Object dataToAssign, boolean callOnSupers, boolean overrideSecurity, boolean typeCast, Class<? extends Annotation> annotationWithValueOverride)` assign data to a field
`static void`	`assignField(Class theClass, Object invokeOn, String fieldName, Object dataToAssign, Class<? extends Annotation> annotationWithValueOverride)` assign data to a field.
`static void`	`assignField(Field field, Object invokeOn, Object dataToAssign, boolean overrideSecurity, boolean typeCast)` assign data to a field
`static void`	`assignField(Field field, Object invokeOn, Object dataToAssign, boolean overrideSecurity, boolean typeCast, Class<? extends Annotation> annotationWithValueOverride)` assign data to a field
`static void`	`assignField(Object invokeOn, String fieldName, Object dataToAssign)` assign data to a field.
`static void`	`assignSetter(Object invokeOn, String fieldName, Object dataToAssign, boolean typeCast)` assign data to a setter.
`static <T> List<T>`	`batchList(Collection<T> collection, int batchSize, int batchIndex)` retrieve a batch by 0 index.
`static int`	`batchNumberOfBatches(Collection<?> collection, int batchSize)` If batching this is the number of batches
`static int`	`batchNumberOfBatches(int count, int batchSize)` If batching this is the number of batches
`static BigDecimal`	`bigDecimalObjectValue(Object input)` Convert an object to a byte, allow nulls
`static Boolean`	`booleanObjectValue(Object object)` get the Boolean value for an object
`static boolean`	`booleanValue(Object object)` get the boolean value for an object, cant be null or blank
`static boolean`	`booleanValue(Object object, boolean defaultBoolean)` get the boolean value for an object
`static String`	`byteCountToDisplaySize(long size)` Returns a human-readable version of the file size (original is in bytes).
`static Byte`	`byteObjectValue(Object input)` Convert an object to a byte, allow nulls
`static byte`	`byteValue(Object input)` convert an object to a byte
`static Object`	`callMethod(Class theClass, Object invokeOn, String methodName)` helper method for calling a method with no params (could be in superclass)
`static Object`	`callMethod(Class theClass, Object invokeOn, String methodName, Object paramTypesOrArrayOrList, Object paramsOrListOrArray)` helper method for calling a method (could be in superclass)
`static Object`	`callMethod(Class theClass, Object invokeOn, String methodName, Object paramTypesOrArrayOrList, Object paramsOrListOrArray, boolean callOnSupers)` helper method for calling a method
`static Object`	`callMethod(Class theClass, Object invokeOn, String methodName, Object paramTypesOrArrayOrList, Object paramsOrListOrArray, boolean callOnSupers, boolean overrideSecurity)` helper method for calling a method
`static Object`	`callMethod(Class theClass, String methodName)` helper method for calling a static method up the stack.
`static Object`	`callMethod(Class theClass, String methodName, boolean callOnSupers)` helper method for calling a static method with no params
`static Object`	`callMethod(Class theClass, String methodName, Object paramTypesOrArrayOrList, Object paramsOrListOrArray)` helper method for calling a static method up the stack
`static Object`	`callMethod(Object invokeOn, String methodName)` helper method for calling a method with no params (could be in superclass), will override security
`static String`	`capitalize(String str)` Capitalizes a String changing the first letter to title case as per `Character.toTitleCase(char)`.
`static Character`	`charObjectValue(Object input)` get the Character wrapper value for the input
`static char`	`charValue(Object input)` convert an object to a char
`static String`	`classesString(Object object)` print the simple names of a list of classes
`static ClassLoader`	`classLoader()` fast class loader
`static String`	`className(Object object)` null safe classname method, gets the unenhanced name
`static String`	`classNameCollection(Object object)` null safe classname method, max out at 20
`static <T> T`	`clone(T object, Set<String> fieldsToClone)` clone an object, assign primitives, Strings, maps of string attributes.
`static <T> void`	`cloneFields(T object, T result, Set<String> fieldsToClone)` clone an object, assign primitives, Strings, maps of string attributes.
`static <T> T`	`cloneValue(T value)` helper method to clone the value of a field.
`static void`	`closeQuietly(Connection connection)` close a connection null safe and dont throw exception
`static void`	`closeQuietly(InputStream input)` Unconditionally close an `InputStream`.
`static void`	`closeQuietly(OutputStream output)` Unconditionally close an `OutputStream`.
`static void`	`closeQuietly(Reader input)` Unconditionally close an `Reader`.
`static void`	`closeQuietly(ResultSet resultSet)` close a resultSet null safe and dont throw exception
`static void`	`closeQuietly(Statement statement)` close a statement null safe and dont throw exception
`static void`	`closeQuietly(Writer writer)` close a writer quietly
`static Set<String>`	`compareObjectFields(Object first, Object second, Set<String> fieldsToCompare, String mapPrefix)` compare two objects, compare primitives, Strings, maps of string attributes.
`static URL`	`computeUrl(String resourceName, boolean canBeNull)` compute a url of a resource
`static <T> T`	`construct(Class<T> theClass, Class[] types, Object[] args)` construct an instance by reflection
`static boolean`	`contains(Object[] array, Object objectToFind)` Checks if the object is in the given array.
`static boolean`	`contains(String str, char searchChar)` Checks if String contains a search character, handling `null`.
`static boolean`	`contains(String str, String searchStr)` Checks if String contains a search String, handling `null`.
`static String`	`convertLongToChar(long theLong)` this method takes a long (less than 62) and converts it to a 1 character string (a-z, A-Z, 0-9)
`static String`	`convertLongToCharSmall(long theLong)` this method takes a long (less than 36) and converts it to a 1 character string (A-Z, 0-9)
`static String`	`convertLongToString(long theLong)` convert a long to a string by converting it to base 62 (26 lower, 26 upper, 10 digits)
`static String`	`convertLongToStringSmall(long theLong)` convert a long to a string by converting it to base 36 (26 upper, 10 digits)
`static void`	`convertToRuntimeException(Exception e)` convert an exception to a runtime exception
`static void`	`copy(File fromFile, File toFile)` copy a file to a new file
`static int`	`copy(InputStream input, OutputStream output)` Copy bytes from an `InputStream` to an `OutputStream`.
`static void`	`copy(InputStream input, Writer output)` Copy bytes from an `InputStream` to chars on a `Writer` using the default character encoding of the platform.
`static void`	`copy(InputStream input, Writer output, String encoding)` Copy and convert bytes from an `InputStream` to chars on a `Writer`, using the specified encoding.
`static int`	`copy(Reader input, Writer output)` Copy chars from a `Reader` to a `Writer`.
`static long`	`copyLarge(InputStream input, OutputStream output)` Copy bytes from a large (over 2GB) `InputStream` to an `OutputStream`.
`static void`	`createParentDirectories(File file)` Create the parent directories for a file if they do not already exist
`static String`	`dateToString(Date date)` convert a date to a string using the standard web service pattern yyyy/MM/dd HH:mm:ss.SSS Note that HH is 0-23
`static Date`	`dateValue(Object inputObject)` Convert an object to a java.util.Date.
`static String`	`defaultIfBlank(String string, String defaultStringIfBlank)` return the string or the other if the first is blank
`static String`	`defaultIfEmpty(String str, String defaultStr)` Returns either the passed in String, or if the String is empty or `null`, the value of `defaultStr`.
`static <T> T`	`defaultIfNull(T theValue, T defaultIfTheValueIsNull)` genericized method to see if first is null, if so then return second, else first.
`static String`	`defaultString(String str)` Returns either the passed in String, or if the String is `null`, an empty String ("").
`static String`	`defaultString(String str, String defaultStr)` Returns either the passed in String, or if the String is `null`, the value of `defaultStr`.
`static void`	`deleteCreateFile(File file)` delete and create a new file.
`static void`	`deleteFile(File file)` Delete a file, throw exception if cannot
`static void`	`deleteRecursiveDirectory(String dirName)` clear out all files recursively in a directory, including the directory itself
`static Double`	`doubleObjectValue(Object input, boolean allowNullBlank)` get the Double value of an object
`static double`	`doubleValue(Object input)` get the double value of an object
`static double`	`doubleValueNoError(Object input)` get the double value of an object, do not throw an exception if there is an error
`static <E extends Enum<?>> E`	`enumValueOfIgnoreCase(Class<E> theEnumClass, String string, boolean exceptionOnNotFound)` do a case-insensitive matching
`static boolean`	`equals(Object object1, Object object2)` Compares two objects for equality, where either one or both objects may be `null`.
`static boolean`	`equals(String first, String second)` null safe string compare
`static boolean`	`equalsIgnoreCase(String str1, String str2)` equalsignorecase
`static String`	`escapeUrlDecode(String string)` unescape url chars (e.g.
`static String`	`escapeUrlEncode(String string)` escape url chars (e.g.
`static void`	`execCommand(String command)` This will execute a command, and split spaces for args (might not be what you want if you are using quotes)
`static ConfigPropertiesCascadeCommonUtils.CommandResult`	`execCommand(String[] arguments)` This will execute a command (with args).
`static ConfigPropertiesCascadeCommonUtils.CommandResult`	`execCommand(String[] arguments, boolean exceptionOnExitValueNeZero)` This will execute a command (with args).
`static String`	`extensionFromName(String name)` get the extension from name.
`static Field`	`field(Class theClass, String fieldName, boolean callOnSupers, boolean throwExceptionIfNotFound)` get a field object for a class, potentially in superclasses
`static Set<String>`	`fieldNames(Class theClass, Class fieldType, boolean includeStaticFields)` return a set of Strings for a class and type.
`static Set<String>`	`fieldNames(Class theClass, Class superclassToStopAt, Class<?> fieldType, boolean includeSuperclassToStopAt, boolean includeStaticFields, boolean includeFinalFields)` get all field names from a class, including superclasses (if specified)
`static Set<String>`	`fieldNames(Class theClass, Class superclassToStopAt, Class<?> fieldType, boolean includeSuperclassToStopAt, boolean includeStaticFields, boolean includeFinalFields, Class<? extends Annotation> markerAnnotationToIngore)` get all field names from a class, including superclasses (if specified).
`static Set<String>`	`fieldNames(Class theClass, Class superclassToStopAt, Class<? extends Annotation> markerAnnotationToIngore)` get all field names from a class, including superclasses (if specified) (up to and including the specified superclass).
`static Set<Field>`	`fields(Class theClass, Class superclassToStopAt, Class<? extends Annotation> markerAnnotation, boolean includeAnnotation)` get all fields from a class, including superclasses (if specified) (up to and including the specified superclass).
`static Set<Field>`	`fields(Class theClass, Class superclassToStopAt, Class fieldType, boolean includeSuperclassToStopAt, boolean includeStaticFields, boolean includeFinalFields, Class<? extends Annotation> markerAnnotation, boolean includeAnnotation)` get all fields from a class, including superclasses (if specified)
`static Object`	`fieldValue(Class theClass, Object invokeOn, String fieldName, boolean callOnSupers, boolean overrideSecurity)` find out a field value
`static Object`	`fieldValue(Field field, Object invokeOn)` get the value of a field, override security if needbe
`static Object`	`fieldValue(Field field, Object invokeOn, boolean overrideSecurity)` get the value of a field
`static Object`	`fieldValue(Object invokeOn, String fieldName)` find out a field value (invoke on supers, override security)
`static String`	`fileCanonicalPath(File file)` get canonical path of file
`static File`	`fileFromResourceName(String resourceName)` get a file name from a resource name
`static InputStream`	`fileOrClasspathInputstream(String typeAndLocation, String logHint)` file or classpath location
`static Float`	`floatObjectValue(Object input, boolean allowNullBlank)` get the Float value of an object
`static float`	`floatValue(Object input)` get the float value of an object
`static float`	`floatValueNoError(Object input)` get the float value of an object, do not throw an exception if there is an error
`static Class`	`forName(String origClassName)` Returns the class object.
`static Object`	`get(Object arrayOrCollection, int index)` Get a specific index of an array or collection (note for collections and iterating, it is more efficient to get an iterator and iterate
`static Throwable`	`getCause(Throwable throwable)` Introspects the `Throwable` to obtain the cause.
`static Throwable`	`getCause(Throwable throwable, String[] methodNames)` Introspects the `Throwable` to obtain the cause.
`static String`	`getFullStackTrace(Throwable throwable)` A way to get the entire nested stack-trace of an throwable.
`static Method`	`getter(Class theClass, String fieldName, boolean callOnSupers, boolean throwExceptionIfNotFound)` get a getter method object for a class, potentially in superclasses
`static Method`	`getterHelper(Class theClass, String fieldName, String getterName, boolean callOnSupers, boolean throwExceptionIfNotFound)` get a setter method object for a class, potentially in superclasses
`static String`	`getterNameFromPropertyName(String propertyName)` generate getBb from bb
`static Set<Method>`	`getters(Class theClass, Class superclassToStopAt, Class<? extends Annotation> markerAnnotation, Boolean includeAnnotation)` get all getters from a class, including superclasses (if specified) (up to and including the specified superclass).
`static Throwable[]`	`getThrowables(Throwable throwable)` Returns the list of `Throwable` objects in the exception chain.
`static boolean`	`hasOption(int options, int option)` see if options have a specific option by int bits
`static String`	`hostname()` get the hostname of this machine
`static char`	`incrementChar(char theChar)` increment a character (A-Z then 0-9)
`static char[]`	`incrementStringInt(char[] string)` Increment a string with A-Z and 0-9 (no lower case so case insensitive apps like windows IE will still work)
`static int`	`indexOf(Object[] array, Object objectToFind)` Find the index of the given object in the array.
`static int`	`indexOf(Object[] array, Object objectToFind, int startIndex)` Find the index of the given object in the array starting at the given index.
`static boolean`	`injectInException(Throwable t, String message)` If we can, inject this into the exception, else return false
`static Integer`	`intObjectValue(Object input, boolean allowNullBlank)` get the Integer value of an object
`static int`	`intValue(Object input)` convert an object to a int
`static int`	`intValue(Object input, int valueIfNull)` convert an object to a int
`static int`	`intValueNoError(Object input)` get the int value of an object, do not throw an exception if there is an error
`static Object`	`invokeMethod(Method method, Object invokeOn)` Safely invoke a reflection method that takes no args
`static Object`	`invokeMethod(Method method, Object invokeOn, Object paramsOrListOrArray)` Safely invoke a reflection method
`static boolean`	`isAscii(char input)` is ascii char
`static boolean`	`isBlank(Object input)` See if the input is null or if string, if it is empty or blank (whitespace)
`static boolean`	`isBlank(String str)` Checks if a String is whitespace, empty ("") or null.
`static boolean`	`isEmpty(String str)` Checks if a String is empty ("") or null.
`static boolean`	`isGetter(Method method)` if the method name starts with get, and takes no args, and returns something, then getter
`static boolean`	`isNestedThrowable(Throwable throwable)` Checks whether this `Throwable` class can store a cause.
`static boolean`	`isNotBlank(String str)`
`static boolean`	`isScalar(Class<?> type)` see if a class is a scalar (not bean, not array or list, etc)
`static boolean`	`isSetter(Method method)` if the method name starts with get, and takes no args, and returns something, then getter
`static boolean`	`isThrowableNested()` Checks if the Throwable class has a `getCause` method.
`static Iterator`	`iterator(Object collection)` null safe iterator getter if the type if collection
`static File`	`jarFile(Class sampleClass)` get a jar file from a sample class
`static String`	`join(Iterator iterator, char separator)` Joins the elements of the provided `Iterator` into a single String containing the provided elements.
`static String`	`join(Iterator iterator, String separator)` Joins the elements of the provided `Iterator` into a single String containing the provided elements.
`static String`	`join(Object[] array)` Joins the elements of the provided array into a single String containing the provided list of elements.
`static String`	`join(Object[] array, char separator)` Joins the elements of the provided array into a single String containing the provided list of elements.
`static String`	`join(Object[] array, String separator)` Joins the elements of the provided array into a single String containing the provided list of elements.
`static String`	`leftPad(String str, int size)` Left pad a String with spaces (' ').
`static String`	`leftPad(String str, int size, char padChar)` Left pad a String with a specified character.
`static String`	`leftPad(String str, int size, String padStr)` Left pad a String with a specified String.
`static int`	`length(Object arrayOrCollection)` Null safe array length or map
`static int`	`lengthAscii(String input)` find the length of ascii chars (non ascii are counted as two)
`static Long`	`longObjectValue(Object input, boolean allowNullBlank)` get the Long value of an object
`static long`	`longValue(Object input)` convert an object to a long
`static long`	`longValue(Object input, long valueIfNull)` convert an object to a long
`static long`	`longValueNoError(Object input)` get the long value of an object, do not throw an exception if there is an error
`static <K,V> void`	`mapDifferences(Map<K,V> first, Map<K,V> second, Set<K> differences, String prefix)` see if two maps are the equivalent (based on number of entries, and the equals() method of the keys and values)
`static <K,V> boolean`	`mapEquals(Map<K,V> first, Map<K,V> second)` see if two maps are the equivalent (based on number of entries, and the equals() method of the keys and values)
`static String`	`mapToString(Map map)` convert a set to a string (comma separate)
`static String`	`MapToString(Map map)` Deprecated. use mapToString(map)
`static Method`	`method(Class<?> theClass, String methodName, Object paramTypesOrArrayOrList, Class<?> superclassToStopAt, boolean includeSuperclassToStopAt, boolean isStaticOrInstance, Class<? extends Annotation> markerAnnotation, boolean includeAnnotation)` get the set of methods
`static Set<String>`	`methodNames(Class<?> theClass, Class<?> superclassToStopAt, boolean includeSuperclassToStopAt, boolean includeStaticMethods)` simple method to get method names
`static void`	`methodsHelper(Class<?> theClass, Class<?> superclassToStopAt, boolean includeSuperclassToStopAt, boolean includeStaticMethods, Class<? extends Annotation> markerAnnotation, boolean includeAnnotation, Set<Method> methodSet)` get the set of methods
`static void`	`mkdirs(File dir)` Create directories, throw exception if not possible.
`static int`	`monthInt(String mon)` convert a month string to an int (1 indexed).
`static File`	`newFileUniqueName(String parentDirName, String namePrefix, String nameSuffix, boolean createFile)` make a new file in the name prefix dir.
`static <T> T`	`newInstance(Class<T> theClass)` Construct a class
`static <T> T`	`newInstance(Class<T> theClass, boolean allowPrivateConstructor)` Construct a class
`static Object`	`next(Object arrayOrCollection, Iterator iterator, int index)` If array, get the element based on index, if Collection, get it based on iterator.
`static <T> List<T>`	`nonNull(List<T> list)` make sure a list is non null.
`static <K,V> Map<K,V>`	`nonNull(Map<K,V> map)` make sure it is non null, if null, then give new map
`static <T> Set<T>`	`nonNull(Set<T> set)` make sure a list is non null.
`static <T> T[]`	`nonNull(T[] array, Class<?> theClass)` make sure a array is non null.
`static boolean`	`nullOrBlank(Object object)` is an object null or blank
`static String`	`oracleStandardNameFromJava(String javaName)` get the oracle underscore name e.g.
`static long`	`packInts(int first, int second)` pack two ints into a long.
`static String`	`parentStemNameFromName(String name)` get the parent stem name from name.
`static String`	`prefixOrSuffix(String startString, String separator, boolean isPrefix)` get the prefix or suffix of a string based on a separator
`static void`	`propertiesCacheClear()` clear properties cache (e.g.
`static Properties`	`propertiesFromFile(File file)` read properties from file
`static Properties`	`propertiesFromResourceName(String resourceName)` read properties from a resource, dont modify the properties returned since they are cached
`static Properties`	`propertiesFromResourceName(String resourceName, boolean useCache, boolean exceptionIfNotExist, Class<?> classInJar, StringBuilder callingLog)` read properties from a resource, dont modify the properties returned since they are cached
`static Map<String,String>`	`propertiesThreadLocalOverrideMap(String propertiesFileName)` override map for properties in thread local to be used in a web server or the like, based on property file name
`static String`	`propertiesValue(Properties properties, Map<String,String> overrideMap, Map<String,String> overrideMap2, String key)` get a value (trimmed to e) from a property file
`static String`	`propertiesValue(Properties properties, Map<String,String> overrideMap, String key)` get a value (trimmed to e) from a property file
`static String`	`propertiesValue(Properties properties, String key)` get a value (trimmed to e) from a property file
`static String`	`propertiesValue(String resourceName, Properties properties, Map<String,String> overrideMap, String propertyName, boolean required)` get a boolean property, or the default if cant find.
`static boolean`	`propertiesValueBoolean(Properties properties, Map<String,String> overrideMap, Map<String,String> overrideMap2, String propertyName, boolean defaultValue)` get a boolean property, or the default if cant find
`static boolean`	`propertiesValueBoolean(Properties properties, Map<String,String> overrideMap, String propertyName, boolean defaultValue)` get a boolean property, or the default if cant find
`static boolean`	`propertiesValueBoolean(Properties properties, String propertyName, boolean defaultValue)` get a boolean property, or the default if cant find
`static boolean`	`propertiesValueBoolean(String resourceName, Properties properties, Map<String,String> overrideMap, String propertyName, boolean defaultValue, boolean required)` get a boolean property, or the default if cant find.
`static int`	`propertiesValueInt(Properties properties, Map<String,String> overrideMap, Map<String,String> overrideMap2, String propertyName, int defaultValue)` get a int property, or the default if cant find
`static int`	`propertiesValueInt(Properties properties, Map<String,String> overrideMap, String propertyName, int defaultValue)` get a int property, or the default if cant find
`static int`	`propertiesValueInt(String resourceName, Properties properties, Map<String,String> overrideMap, String propertyName, int defaultValue, boolean required)` get an int property, or the default if cant find.
`static String`	`propertyName(Method method)` If this is a getter or setter, then get the property name
`static Class`	`propertyType(Class theClass, String propertyName)` use reflection to get a property type based on getter or setter or field
`static boolean`	`propertyValidateValueBoolean(String resourceName, Properties properties, Map<String,String> overrideMap, String key, boolean required, boolean exceptionOnError)` make sure a value is boolean in properties
`static boolean`	`propertyValidateValueClass(String resourceName, Properties properties, Map<String,String> overrideMap, String key, Class<?> classType, boolean required, boolean exceptionOnError)` make sure a property is a class of a certain type
`static boolean`	`propertyValidateValueInt(String resourceName, Properties properties, Map<String,String> overrideMap, String key, boolean required, boolean exceptionOnError)` make sure a value is int in properties
`static boolean`	`propertyValidateValueRequired(String resourceName, Properties properties, Map<String,String> overrideMap, String key, boolean exceptionOnError)` make sure a value exists in properties
`static Object`	`propertyValue(Object object, String property)` this assumes the property exists, and is a simple property
`static String`	`readFileIntoString(File file)`
`static String`	`readFileToString(File file, String encoding)` Reads the contents of a file into a String.
`static String`	`readFromFileIfFile(String in, boolean disableExternalFileLookup)` if the input is a file, read string from file.
`static String`	`readResourceIntoString(String resourceName, boolean allowNull)`
`static String`	`readResourceIntoString(String resourceName, Class<?> classInJar)` read resource into string
`static Object`	`remove(Object arrayOrCollection, int index)` Remove the iterator or index
`static Object`	`remove(Object arrayOrCollection, Iterator iterator, int index)` Remove the iterator or index
`static void`	`renameTo(File fromFile, File toFile)` rename a file to another file and throw runtime exception if not ok
`static String`	`repeat(String str, int repeat)` Repeat a String `repeat` times to form a new String.
`static void`	`replace(StringBuffer outBuffer, String text, Object searchFor, Object replaceWith)` replace a string or strings from a string, and put the output in a string buffer.
`static void`	`replace(StringBuffer outBuffer, String text, Object searchFor, Object replaceWith, boolean recurse)` replace a string or strings from a string, and put the output in a string buffer
`static String`	`replace(String text, Object searchFor, Object replaceWith)` replace a string or strings from a string, and put the output in a string buffer.
`static String`	`replace(String text, Object searchFor, Object replaceWith, boolean recurse)` replace a string or strings from a string, and put the output in a string buffer
`static String`	`replace(String text, Object searchFor, Object replaceWith, boolean recurse, boolean removeIfFound)` replace a string or strings from a string, and put the output in a string buffer
`static String`	`replace(String text, String repl, String with)` Replaces all occurrences of a String within another String.
`static String`	`replace(String text, String repl, String with, int max)` Replaces a String with another String inside a larger String, for the first `max` values of the search String.
`static void`	`replace(Writer outWriter, String text, Object searchFor, Object replaceWith)` replace a string or strings from a string, and put the output in a string buffer.
`static void`	`replace(Writer outWriter, String text, Object searchFor, Object replaceWith, boolean recurse)` replace a string or strings from a string, and put the output in a string buffer
`static String`	`replaceWhitespaceWithSpace(String input)` replace all whitespace with space
`static ExecutorService`	`retrieveExecutorService()`
`static String`	`retrievePasswordFromStdin(boolean dontMask, String prompt)` retrieve a password from stdin
`static char[]`	`retrievePasswordFromStdin(InputStream in, String prompt)`
`static String`	`rightPad(String str, int size)` Right pad a String with spaces (' ').
`static String`	`rightPad(String str, int size, char padChar)` Right pad a String with a specified character.
`static String`	`rightPad(String str, int size, String padStr)` Right pad a String with a specified String.
`static void`	`rollbackQuietly(Connection connection)` rollback a connection quietly
`static void`	`saveStringIntoFile(File file, String contents)` save a string into a file, file does not have to exist
`static boolean`	`saveStringIntoFile(File file, String contents, boolean onlyIfDifferentContents, boolean ignoreWhitespace)` save a string into a file, file does not have to exist
`static void`	`serializeObjectToFile(Serializable object, File file)` serialize an object to a file (create parent dir if necessary)
`static Method`	`setter(Class theClass, String fieldName, boolean callOnSupers, boolean throwExceptionIfNotFound)` get a setter method object for a class, potentially in superclasses
`static Method`	`setterHelper(Class theClass, String fieldName, String setterName, boolean callOnSupers, boolean throwExceptionIfNotFound)` get a setter method object for a class, potentially in superclasses
`static String`	`setterNameFromPropertyName(String propertyName)` generate setBb from bb
`static Set<Method>`	`setters(Class theClass, Class superclassToStopAt, Class<?> fieldType, boolean includeSuperclassToStopAt, Class<? extends Annotation> markerAnnotation, boolean includeAnnotation)` get all setters from a class, including superclasses (if specified)
`static String`	`setToString(Set set)` convert a set to a string (comma separate)
`static Short`	`shortObjectValue(Object input)` get the Short value of an object.
`static short`	`shortValue(Object input)` convert an object to a short
`static void`	`sleep(long millis)` sleep, if interrupted, throw runtime
`static String[]`	`split(String str)` Splits the provided text into an array, using whitespace as the separator.
`static String[]`	`split(String str, char separatorChar)` Splits the provided text into an array, separator specified.
`static String[]`	`split(String str, String separatorChars)` Splits the provided text into an array, separators specified.
`static String[]`	`split(String str, String separatorChars, int max)` Splits the provided text into an array with a maximum length, separators specified.
`static String[]`	`splitByWholeSeparator(String str, String separator)` Splits the provided text into an array, separator string specified.
`static String[]`	`splitByWholeSeparator(String str, String separator, int max)` Splits the provided text into an array, separator string specified.
`static String[]`	`splitPreserveAllTokens(String str)` Splits the provided text into an array, using whitespace as the separator, preserving all tokens, including empty tokens created by adjacent separators.
`static String[]`	`splitPreserveAllTokens(String str, char separatorChar)` Splits the provided text into an array, separator specified, preserving all tokens, including empty tokens created by adjacent separators.
`static String[]`	`splitPreserveAllTokens(String str, String separatorChars)` Splits the provided text into an array, separators specified, preserving all tokens, including empty tokens created by adjacent separators.
`static String[]`	`splitPreserveAllTokens(String str, String separatorChars, int max)` Splits the provided text into an array with a maximum length, separators specified, preserving all tokens, including empty tokens created by adjacent separators.
`static String[]`	`splitTrim(String input, String separator)` split a string based on a separator into an array, and trim each entry (see the Commons Util trim() for more details)
`static String[]`	`splitTrim(String input, String separator, boolean treatAdjacentSeparatorsAsOne)` split a string based on a separator into an array, and trim each entry (see the Commons Util trim() for more details)
`static List<String>`	`splitTrimToList(String input, String separator)` split a string based on a separator into an array, and trim each entry (see the Commons Util trim() for more details)
`static Date`	`stringToDate(String dateString)` convert a string to a date using the standard web service pattern Note that HH is 0-23
`static Date`	`stringToDate2(String input)` take as input: yyyy/mm/dd yyyy-mm-dd dd-mon-yyyy yyyy/mm/dd hh:mm:ss dd-mon-yyyy hh:mm:ss yyyy/mm/dd hh:mm:ss.SSS dd-mon-yyyy hh:mm:ss.SSS
`static Timestamp`	`stringToTimestamp(String input)` convert a string to timestamp based on the following formats: yyyyMMdd yyyy/MM/dd HH:mm:ss yyyy/MM/dd HH:mm:ss.SSS yyyy/MM/dd HH:mm:ss.SSSSSS
`static String`	`stringValue(Date date)` convert a date to the standard string yyyymmdd
`static String`	`stringValue(Object input)` convert an object to a string
`static String`	`stripEnd(String str, String stripChars)` Strips any of a set of characters from the end of a String.
`static String`	`stripLastSlashIfExists(String input)` strip the last slash (/ or \) from a string if it exists
`static String`	`stripStart(String str, String stripChars)` Strips any of a set of characters from the start of a String.
`static String`	`substituteCommonVars(String string)` substitute common vars like $space$ and $newline$
`static String`	`substringAfter(String str, String separator)` Gets the substring after the first occurrence of a separator.
`static String`	`substringAfterLast(String str, String separator)` Gets the substring after the last occurrence of a separator.
`static String`	`substringBefore(String str, String separator)` Gets the substring before the first occurrence of a separator.
`static String`	`substringBeforeLast(String str, String separator)` Gets the substring before the last occurrence of a separator.
`static String`	`suffixAfterChar(String input, char theChar)` return the suffix after a char.
`static String`	`timestampToString(Date timestamp)` Convert a timestamp into a string: yyyy/MM/dd HH:mm:ss.SSS
`static <T> T[]`	`toArray(Collection collection, Class<T> theClass)` convert a list into an array of type of theClass
`static Object`	`toArray(Object objectOrArrayOrCollection)` Convert a list to an array with the type of the first element e.g.
`static <T> List<T>`	`toList(T... objects)` return a list of objects from varargs.
`static List<Class<?>>`	`toListClasses(Class<?>... classes)` convert classes to a list
`static <T> Set<T>`	`toSet(T... objects)` return a set of objects from varargs.
`static Date`	`toSqlDate(Date date)` null safe convert from util date to sql date
`static String`	`toString(InputStream input, String encoding)` Get the contents of an `InputStream` as a String.
`static String`	`toStringForLog(Object object)` print out various types of objects
`static String`	`toStringForLog(Object object, int maxChars)` print out various types of objects
`static String`	`toStringSafe(Object object)` fail safe toString for Exception blocks, and include the stack if there is a problem with toString()
`static Timestamp`	`toTimestamp(Object input)` Convert a string or object to a timestamp (could be string, date, timestamp, etc) yyyymmdd or yyyy/MM/dd HH:mm:ss or yyyy/MM/dd HH:mm:ss.SSS or yyyy/MM/dd HH:mm:ss.SSSSSS
`static String`	`trim(String str)` trim whitespace from string
`static String`	`trimToEmpty(String str)` trim to empty, convert null to empty
`static String`	`truncateAscii(String input, int requiredLength)` find the length of ascii chars (non ascii are counted as two)
`static <T> T`	`typeCast(Object value, Class<T> theClass)` If necessary, convert an object to another type.
`static <T> T`	`typeCast(Object value, Class<T> theClass, boolean convertNullToDefaultPrimitive, boolean useNewInstanceHooks)` If necessary, convert an object to another type.
`static String`	`uniqueId()` get a unique string identifier based on the current time, this is not globally unique, just unique for as long as this server is running...
`static int`	`unpackInt(long theLong, boolean isFirst)` take a long
`static Serializable`	`unserializeObjectFromFile(File file, boolean nullIfException, boolean deleteFileOnException)` unserialize an object from a file if it exists
`static void`	`writeStringToFile(File file, String data, String encoding)` Writes data to a file.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - LOG_ERROR
```
public static final String LOG_ERROR
```
    See Also:
    
    Constant Field Values
  - ONE_KB
```
public static final long ONE_KB
```
    The number of bytes in a kilobyte.
    
    See Also:
    
    Constant Field Values
  - ONE_MB
```
public static final long ONE_MB
```
    The number of bytes in a megabyte.
    
    See Also:
    
    Constant Field Values
  - ONE_GB
```
public static final long ONE_GB
```
    The number of bytes in a gigabyte.
    
    See Also:
    
    Constant Field Values
  - DATE_FORMAT
```
public static final String DATE_FORMAT
```
    string format of dates
    
    See Also:
    
    Constant Field Values
  - DATE_MINUTES_SECONDS_FORMAT
```
public static final String DATE_MINUTES_SECONDS_FORMAT
```
    format including minutes and seconds: yyyy/MM/dd HH:mm:ss
    
    See Also:
    
    Constant Field Values
  - DATE_MINUTES_SECONDS_NO_SLASH_FORMAT
```
public static final String DATE_MINUTES_SECONDS_NO_SLASH_FORMAT
```
    format including minutes and seconds: yyyyMMdd HH:mm:ss
    
    See Also:
    
    Constant Field Values
  - TIMESTAMP_FORMAT
```
public static final String TIMESTAMP_FORMAT
```
    format on screen of config for milestone: yyyy/MM/dd HH:mm:ss.SSS
    
    See Also:
    
    Constant Field Values
  - TIMESTAMP_NO_SLASH_FORMAT
```
public static final String TIMESTAMP_NO_SLASH_FORMAT
```
    format on screen of config for milestone: yyyyMMdd HH:mm:ss.SSS
    
    See Also:
    
    Constant Field Values
  - NOT_FOUND
```
public static final int NOT_FOUND
```
    special number when a number is not found
    
    See Also:
    
    Constant Field Values
  - DEFAULT_BUFFER_SIZE
```
public static final int DEFAULT_BUFFER_SIZE
```
    The name says it all.
    
    See Also:
    
    Constant Field Values
  - EMPTY_STRING_ARRAY
```
public static final String[] EMPTY_STRING_ARRAY
```
    An empty immutable String array.
  - EMPTY_OBJECT_ARRAY
```
public static final Object[] EMPTY_OBJECT_ARRAY
```
    An empty immutable Object array.
  - EMPTY
```
public static final String EMPTY
```
    The empty String "".
    
    Since:
    
    2.0
    
    See Also:
    
    Constant Field Values
  - INDEX_NOT_FOUND
```
public static final int INDEX_NOT_FOUND
```
    Represents a failed index search.
    
    Since:
    
    2.1
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - ConfigPropertiesCascadeCommonUtils
```
public ConfigPropertiesCascadeCommonUtils()
```
- Method Detail
  - argAfter
```
public static String argAfter(String[] args,
                              String argBefore)
```
    return the arg after the argBefore, or null if not there, or exception if argBefore is not found
    
    Parameters:
    
    args -
    
    argBefore -
    
    Returns:
    
    the arg
  - append
```
public static void append(StringBuilder result,
                          String separatorIfResultNotEmpty,
                          String stringToAppend)
```
    append and maybe put a separator in there
    
    Parameters:
    
    result -
    
    separatorIfResultNotEmpty -
    
    stringToAppend -
  - byteCountToDisplaySize
```
public static String byteCountToDisplaySize(long size)
```
    Returns a human-readable version of the file size (original is in bytes).
    
    Parameters:
    
    size - The number of bytes.
    
    Returns:
    
    A human-readable display value (includes units).
  - hasOption
```
public static boolean hasOption(int options,
                                int option)
```
    see if options have a specific option by int bits
    
    Parameters:
    
    options -
    
    option -
    
    Returns:
    
    if the option is there
  - fileCanonicalPath
```
public static String fileCanonicalPath(File file)
```
    get canonical path of file
    
    Parameters:
    
    file -
    
    Returns:
    
    the path
  - suffixAfterChar
```
public static String suffixAfterChar(String input,
                                     char theChar)
```
    return the suffix after a char. If the char doesnt exist, just return the string
    
    Parameters:
    
    input - string
    
    theChar - char
    
    Returns:
    
    new string
  - oracleStandardNameFromJava
```
public static String oracleStandardNameFromJava(String javaName)
```
    get the oracle underscore name e.g. javaNameHere -> JAVA_NAME_HERE
    
    Parameters:
    
    javaName - the java convention name
    
    Returns:
    
    the oracle underscore name based on the java name
  - mapEquals
```
public static <K,V> boolean mapEquals(Map<K,V> first,
                                      Map<K,V> second)
```
    see if two maps are the equivalent (based on number of entries, and the equals() method of the keys and values)
    
    Type Parameters:
    
    K -
    
    V -
    
    Parameters:
    
    first -
    
    second -
    
    Returns:
    
    true if equal
  - mapDifferences
```
public static <K,V> void mapDifferences(Map<K,V> first,
                                        Map<K,V> second,
                                        Set<K> differences,
                                        String prefix)
```
    see if two maps are the equivalent (based on number of entries, and the equals() method of the keys and values)
    
    Type Parameters:
    
    K -
    
    V -
    
    Parameters:
    
    first - map to check diffs
    
    second - map to check diffs
    
    differences - set of keys (with prefix) of the diffs
    
    prefix - for the entries in the diffs (e.g. "attribute__"
  - sleep
```
public static void sleep(long millis)
```
    sleep, if interrupted, throw runtime
    
    Parameters:
    
    millis -
  - injectInException
```
public static boolean injectInException(Throwable t,
                                        String message)
```
    If we can, inject this into the exception, else return false
    
    Parameters:
    
    t -
    
    message -
    
    Returns:
    
    true if success, false if not
  - uniqueId
```
public static String uniqueId()
```
    get a unique string identifier based on the current time, this is not globally unique, just unique for as long as this server is running...
    
    Returns:
    
    String
  - fileFromResourceName
```
public static File fileFromResourceName(String resourceName)
```
    get a file name from a resource name
    
    Parameters:
    
    resourceName - is the classpath location
    
    Returns:
    
    the file path on the system
  - computeUrl
```
public static URL computeUrl(String resourceName,
                             boolean canBeNull)
```
    compute a url of a resource
    
    Parameters:
    
    resourceName -
    
    canBeNull - if cant be null, throw runtime
    
    Returns:
    
    the URL
  - classLoader
```
public static ClassLoader classLoader()
```
    fast class loader
    
    Returns:
    
    the class loader
  - nonNull
```
public static <T> T[] nonNull(T[] array,
                              Class<?> theClass)
```
    make sure a array is non null. If null, then return an empty array. Note: this will probably not work for primitive arrays (e.g. int[])
    
    Type Parameters:
    
    T -
    
    Parameters:
    
    array -
    
    theClass - to make array from
    
    Returns:
    
    the list or empty list if null
  - prefixOrSuffix
```
public static String prefixOrSuffix(String startString,
                                    String separator,
                                    boolean isPrefix)
```
    get the prefix or suffix of a string based on a separator
    
    Parameters:
    
    startString - is the string to start with
    
    separator - is the separator to split on
    
    isPrefix - if thre prefix or suffix should be returned
    
    Returns:
    
    the prefix or suffix, if the separator isnt there, return the original string
  - extensionFromName
```
public static String extensionFromName(String name)
```
    get the extension from name. if name is a:b:c, name is c
    
    Parameters:
    
    name -
    
    Returns:
    
    the name
  - forName
```
public static Class forName(String origClassName)
```
```
Returns the class object.
```
    Parameters:
    
    origClassName - is fully qualified
    
    Returns:
    
    the class
  - newInstance
```
public static <T> T newInstance(Class<T> theClass)
```
    Construct a class
    
    Type Parameters:
    
    T - template type
    
    Parameters:
    
    theClass -
    
    Returns:
    
    the instance
  - newInstance
```
public static <T> T newInstance(Class<T> theClass,
                                boolean allowPrivateConstructor)
```
    Construct a class
    
    Type Parameters:
    
    T - template type
    
    Parameters:
    
    theClass -
    
    allowPrivateConstructor - true if should allow private constructors
    
    Returns:
    
    the instance
  - parentStemNameFromName
```
public static String parentStemNameFromName(String name)
```
    get the parent stem name from name. if already a root stem then just return null. e.g. if the name is a:b:c then the return value is a:b
    
    Parameters:
    
    name -
    
    Returns:
    
    the parent stem name or null if none
  - defaultIfBlank
```
public static String defaultIfBlank(String string,
                                    String defaultStringIfBlank)
```
    return the string or the other if the first is blank
    
    Parameters:
    
    string -
    
    defaultStringIfBlank -
    
    Returns:
    
    the string or the default one
  - defaultIfNull
```
public static <T> T defaultIfNull(T theValue,
                                  T defaultIfTheValueIsNull)
```
    genericized method to see if first is null, if so then return second, else first.
    
    Type Parameters:
    
    T -
    
    Parameters:
    
    theValue - first input
    
    defaultIfTheValueIsNull - second input
    
    Returns:
    
    the first if not null, second if no
  - addIfNotThere
```
public static <T> void addIfNotThere(Collection<T> list,
                                     Collection<T> listToAdd)
```
    add each element of listToAdd if it is not already in list
    
    Type Parameters:
    
    T -
    
    Parameters:
    
    list - to add to
    
    listToAdd - each element will be added to list, or null if none
  - setToString
```
public static String setToString(Set set)
```
    convert a set to a string (comma separate)
    
    Parameters:
    
    set -
    
    Returns:
    
    the String
  - MapToString
```
@Deprecated
public static String MapToString(Map map)
```
    Deprecated. use mapToString(map)
    
    convert a set to a string (comma separate)
    
    Parameters:
    
    map -
    
    Returns:
    
    the String
  - mapToString
```
public static String mapToString(Map map)
```
    convert a set to a string (comma separate)
    
    Parameters:
    
    map -
    
    Returns:
    
    the String
  - toStringForLog
```
public static String toStringForLog(Object object)
```
    print out various types of objects
    
    Parameters:
    
    object -
    
    Returns:
    
    the string value
  - toStringForLog
```
public static String toStringForLog(Object object,
                                    int maxChars)
```
    print out various types of objects
    
    Parameters:
    
    object -
    
    maxChars - is the max chars that should be returned (abbreviate if longer), or -1 for any amount
    
    Returns:
    
    the string value
  - batchNumberOfBatches
```
public static int batchNumberOfBatches(int count,
                                       int batchSize)
```
    If batching this is the number of batches
    
    Parameters:
    
    count - is size of set
    
    batchSize -
    
    Returns:
    
    the number of batches
  - batchNumberOfBatches
```
public static int batchNumberOfBatches(Collection<?> collection,
                                       int batchSize)
```
    If batching this is the number of batches
    
    Parameters:
    
    collection -
    
    batchSize -
    
    Returns:
    
    the number of batches
  - batchList
```
public static <T> List<T> batchList(Collection<T> collection,
                                    int batchSize,
                                    int batchIndex)
```
    retrieve a batch by 0 index. Will return an array of size batchSize or the remainder. the array will be full of elements. Note, this requires an ordered input (so use linkedhashset not hashset if doing sets)
    
    Type Parameters:
    
    T - template type
    
    Parameters:
    
    collection -
    
    batchSize -
    
    batchIndex -
    
    Returns:
    
    the list This never returns null, only empty list
  - splitTrim
```
public static String[] splitTrim(String input,
                                 String separator)
```
    split a string based on a separator into an array, and trim each entry (see the Commons Util trim() for more details)
    
    Parameters:
    
    input - is the delimited input to split and trim
    
    separator - is what to split on
    
    Returns:
    
    the array of items after split and trimmed, or null if input is null. will be trimmed to empty
  - splitTrimToList
```
public static List<String> splitTrimToList(String input,
                                           String separator)
```
    split a string based on a separator into an array, and trim each entry (see the Commons Util trim() for more details)
    
    Parameters:
    
    input - is the delimited input to split and trim
    
    separator - is what to split on
    
    Returns:
    
    the list of items after split and trimmed, or null if input is null. will be trimmed to empty
  - splitTrim
```
public static String[] splitTrim(String input,
                                 String separator,
                                 boolean treatAdjacentSeparatorsAsOne)
```
    split a string based on a separator into an array, and trim each entry (see the Commons Util trim() for more details)
    
    Parameters:
    
    input - is the delimited input to split and trim
    
    separator - is what to split on
    
    treatAdjacentSeparatorsAsOne -
    
    Returns:
    
    the array of items after split and trimmed, or null if input is null. will be trimmed to empty
  - escapeUrlEncode
```
public static String escapeUrlEncode(String string)
```
    escape url chars (e.g. a # is %23)
    
    Parameters:
    
    string - input
    
    Returns:
    
    the encoded string
  - escapeUrlDecode
```
public static String escapeUrlDecode(String string)
```
    unescape url chars (e.g. a space is %20)
    
    Parameters:
    
    string - input
    
    Returns:
    
    the encoded string
  - nonNull
```
public static <T> List<T> nonNull(List<T> list)
```
    make sure a list is non null. If null, then return an empty list
    
    Type Parameters:
    
    T -
    
    Parameters:
    
    list -
    
    Returns:
    
    the list or empty list if null
  - nonNull
```
public static <T> Set<T> nonNull(Set<T> set)
```
    make sure a list is non null. If null, then return an empty set
    
    Type Parameters:
    
    T -
    
    Parameters:
    
    set -
    
    Returns:
    
    the set or empty set if null
  - nonNull
```
public static <K,V> Map<K,V> nonNull(Map<K,V> map)
```
    make sure it is non null, if null, then give new map
    
    Type Parameters:
    
    K - key of map
    
    V - value of map
    
    Parameters:
    
    map - is map
    
    Returns:
    
    set non null
  - toList
```
public static <T> List<T> toList(T... objects)
```
    return a list of objects from varargs. Though if there is one object, and it is a list, return it.
    
    Type Parameters:
    
    T - template type of the objects
    
    Parameters:
    
    objects -
    
    Returns:
    
    the list or null if objects is null
  - toListClasses
```
public static List<Class<?>> toListClasses(Class<?>... classes)
```
    convert classes to a list
    
    Parameters:
    
    classes -
    
    Returns:
    
    list of classes
  - toSet
```
public static <T> Set<T> toSet(T... objects)
```
    return a set of objects from varargs.
    
    Type Parameters:
    
    T - template type of the objects
    
    Parameters:
    
    objects -
    
    Returns:
    
    the set
  - assertion
```
public static void assertion(boolean isTrue,
                             String reason)
```
    If false, throw an assertException, and give a reason
    
    Parameters:
    
    isTrue -
    
    reason -
  - assignField
```
public static void assignField(Class theClass,
                               Object invokeOn,
                               String fieldName,
                               Object dataToAssign,
                               boolean callOnSupers,
                               boolean overrideSecurity,
                               boolean typeCast,
                               Class<? extends Annotation> annotationWithValueOverride)
```
    assign data to a field
    
    Parameters:
    
    theClass - the class which has the method
    
    invokeOn - to call on or null for static
    
    fieldName - method name to call
    
    dataToAssign - data
    
    callOnSupers - if static and method not exists, try on supers
    
    overrideSecurity - true to call on protected or private etc methods
    
    typeCast - true if we should typecast
    
    annotationWithValueOverride - annotation with value of override
  - assignField
```
public static void assignField(Class theClass,
                               Object invokeOn,
                               String fieldName,
                               Object dataToAssign,
                               Class<? extends Annotation> annotationWithValueOverride)
```
    assign data to a field. Will find the field in superclasses, will typecast, and will override security (private, protected, etc)
    
    Parameters:
    
    theClass - the class which has the method
    
    invokeOn - to call on or null for static
    
    fieldName - method name to call
    
    dataToAssign - data
    
    annotationWithValueOverride - annotation with value of override
  - assignField
```
public static void assignField(Field field,
                               Object invokeOn,
                               Object dataToAssign,
                               boolean overrideSecurity,
                               boolean typeCast)
```
    assign data to a field
    
    Parameters:
    
    field - is the field to assign to
    
    invokeOn - to call on or null for static
    
    dataToAssign - data
    
    overrideSecurity - true to call on protected or private etc methods
    
    typeCast - true if we should typecast
  - iterator
```
public static Iterator iterator(Object collection)
```
    null safe iterator getter if the type if collection
    
    Parameters:
    
    collection -
    
    Returns:
    
    the iterator
  - length
```
public static int length(Object arrayOrCollection)
```
    Null safe array length or map
    
    Parameters:
    
    arrayOrCollection -
    
    Returns:
    
    the length of the array (0 for null)
  - next
```
public static Object next(Object arrayOrCollection,
                          Iterator iterator,
                          int index)
```
    If array, get the element based on index, if Collection, get it based on iterator.
    
    Parameters:
    
    arrayOrCollection -
    
    iterator -
    
    index -
    
    Returns:
    
    the object
  - remove
```
public static Object remove(Object arrayOrCollection,
                            int index)
```
    Remove the iterator or index
    
    Parameters:
    
    arrayOrCollection -
    
    index -
    
    Returns:
    
    the object list or new array
  - remove
```
public static Object remove(Object arrayOrCollection,
                            Iterator iterator,
                            int index)
```
    Remove the iterator or index
    
    Parameters:
    
    arrayOrCollection -
    
    iterator -
    
    index -
    
    Returns:
    
    the object list or new array
  - classesString
```
public static String classesString(Object object)
```
    print the simple names of a list of classes
    
    Parameters:
    
    object -
    
    Returns:
    
    the simple names
  - classNameCollection
```
public static String classNameCollection(Object object)
```
    null safe classname method, max out at 20
    
    Parameters:
    
    object -
    
    Returns:
    
    the classname
  - className
```
public static String className(Object object)
```
    null safe classname method, gets the unenhanced name
    
    Parameters:
    
    object -
    
    Returns:
    
    the classname
  - assignField
```
public static void assignField(Field field,
                               Object invokeOn,
                               Object dataToAssign,
                               boolean overrideSecurity,
                               boolean typeCast,
                               Class<? extends Annotation> annotationWithValueOverride)
```
    assign data to a field
    
    Parameters:
    
    field - is the field to assign to
    
    invokeOn - to call on or null for static
    
    dataToAssign - data
    
    overrideSecurity - true to call on protected or private etc methods
    
    typeCast - true if we should typecast
    
    annotationWithValueOverride - annotation with value of override, or null if none
  - assignField
```
public static void assignField(Object invokeOn,
                               String fieldName,
                               Object dataToAssign)
```
    assign data to a field. Will find the field in superclasses, will typecast, and will override security (private, protected, etc)
    
    Parameters:
    
    invokeOn - to call on or null for static
    
    fieldName - method name to call
    
    dataToAssign - data
  - field
```
public static Field field(Class theClass,
                          String fieldName,
                          boolean callOnSupers,
                          boolean throwExceptionIfNotFound)
```
    get a field object for a class, potentially in superclasses
    
    Parameters:
    
    theClass -
    
    fieldName -
    
    callOnSupers - true if superclasses should be looked in for the field
    
    throwExceptionIfNotFound - will throw runtime exception if not found
    
    Returns:
    
    the field object or null if not found (or exception if param is set)
  - fieldNames
```
public static Set<String> fieldNames(Class theClass,
                                     Class fieldType,
                                     boolean includeStaticFields)
```
    return a set of Strings for a class and type. This is not for any supertypes, only for the type at hand. includes final fields
    
    Parameters:
    
    theClass -
    
    fieldType - or null for all
    
    includeStaticFields -
    
    Returns:
    
    the set of strings, or the empty Set if none
  - fieldNames
```
public static Set<String> fieldNames(Class theClass,
                                     Class superclassToStopAt,
                                     Class<?> fieldType,
                                     boolean includeSuperclassToStopAt,
                                     boolean includeStaticFields,
                                     boolean includeFinalFields)
```
    get all field names from a class, including superclasses (if specified)
    
    Parameters:
    
    theClass - to look for fields in
    
    superclassToStopAt - to go up to or null to go up to Object
    
    fieldType - is the type of the field to get
    
    includeSuperclassToStopAt - if we should include the superclass
    
    includeStaticFields - if include static fields
    
    includeFinalFields - if final fields should be included
    
    Returns:
    
    the set of field names or empty set if none
  - fieldNames
```
public static Set<String> fieldNames(Class theClass,
                                     Class superclassToStopAt,
                                     Class<?> fieldType,
                                     boolean includeSuperclassToStopAt,
                                     boolean includeStaticFields,
                                     boolean includeFinalFields,
                                     Class<? extends Annotation> markerAnnotationToIngore)
```
    get all field names from a class, including superclasses (if specified). ignore a certain marker annotation
    
    Parameters:
    
    theClass - to look for fields in
    
    superclassToStopAt - to go up to or null to go up to Object
    
    fieldType - is the type of the field to get
    
    includeSuperclassToStopAt - if we should include the superclass
    
    includeStaticFields - if include static fields
    
    includeFinalFields - if final fields should be included
    
    markerAnnotationToIngore - if this is not null, then if the field has this annotation, then do not include in list
    
    Returns:
    
    the set of field names
  - fieldNames
```
public static Set<String> fieldNames(Class theClass,
                                     Class superclassToStopAt,
                                     Class<? extends Annotation> markerAnnotationToIngore)
```
    get all field names from a class, including superclasses (if specified) (up to and including the specified superclass). ignore a certain marker annotation. Dont get static or final field, and get fields of all types
    
    Parameters:
    
    theClass - to look for fields in
    
    superclassToStopAt - to go up to or null to go up to Object
    
    markerAnnotationToIngore - if this is not null, then if the field has this annotation, then do not include in list
    
    Returns:
    
    the set of field names or empty set if none
  - fields
```
public static Set<Field> fields(Class theClass,
                                Class superclassToStopAt,
                                Class fieldType,
                                boolean includeSuperclassToStopAt,
                                boolean includeStaticFields,
                                boolean includeFinalFields,
                                Class<? extends Annotation> markerAnnotation,
                                boolean includeAnnotation)
```
    get all fields from a class, including superclasses (if specified)
    
    Parameters:
    
    theClass - to look for fields in
    
    superclassToStopAt - to go up to or null to go up to Object
    
    fieldType - is the type of the field to get
    
    includeSuperclassToStopAt - if we should include the superclass
    
    includeStaticFields - if include static fields
    
    includeFinalFields - if final fields should be included
    
    markerAnnotation - if this is not null, then if the field has this annotation, then do not include in list (if includeAnnotation is false)
    
    includeAnnotation - true if the attribute should be included if annotation is present, false if exclude
    
    Returns:
    
    the set of fields (wont return null)
  - fields
```
public static Set<Field> fields(Class theClass,
                                Class superclassToStopAt,
                                Class<? extends Annotation> markerAnnotation,
                                boolean includeAnnotation)
```
    get all fields from a class, including superclasses (if specified) (up to and including the specified superclass). ignore a certain marker annotation, or only include it. Dont get static or final field, and get fields of all types
    
    Parameters:
    
    theClass - to look for fields in
    
    superclassToStopAt - to go up to or null to go up to Object
    
    markerAnnotation - if this is not null, then if the field has this annotation, then do not include in list (if includeAnnotation is false)
    
    includeAnnotation - true if the attribute should be included if annotation is present, false if exclude
    
    Returns:
    
    the set of field names or empty set if none
  - compareObjectFields
```
public static Set<String> compareObjectFields(Object first,
                                              Object second,
                                              Set<String> fieldsToCompare,
                                              String mapPrefix)
```
    compare two objects, compare primitives, Strings, maps of string attributes. if both objects equal each others references, then return empty set. then, if not, then if either is null, return all fields
    
    Parameters:
    
    first -
    
    second -
    
    fieldsToCompare -
    
    mapPrefix - is the prefix for maps which are compared (e.g. attribute__)
    
    Returns:
    
    the set of fields which are different. never returns null
  - clone
```
public static <T> T clone(T object,
                          Set<String> fieldsToClone)
```
    clone an object, assign primitives, Strings, maps of string attributes. Clone GrouperCloneable fields.
    
    Type Parameters:
    
    T - template
    
    Parameters:
    
    object -
    
    fieldsToClone -
    
    Returns:
    
    the cloned object or null if input is null
  - cloneFields
```
public static <T> void cloneFields(T object,
                                   T result,
                                   Set<String> fieldsToClone)
```
    clone an object, assign primitives, Strings, maps of string attributes. Clone GrouperCloneable fields.
    
    Type Parameters:
    
    T - template
    
    Parameters:
    
    object -
    
    result -
    
    fieldsToClone -
  - cloneValue
```
public static <T> T cloneValue(T value)
```
    helper method to clone the value of a field. just returns the same reference for primitives and immutables. Will subclone GrouperCloneables, and will throw exception if not expecting the type. Will clone sets, lists, maps.
    
    Type Parameters:
    
    T - template
    
    Parameters:
    
    value -
    
    Returns:
    
    the cloned value
  - methodNames
```
public static Set<String> methodNames(Class<?> theClass,
                                      Class<?> superclassToStopAt,
                                      boolean includeSuperclassToStopAt,
                                      boolean includeStaticMethods)
```
    simple method to get method names
    
    Parameters:
    
    theClass -
    
    superclassToStopAt -
    
    includeSuperclassToStopAt -
    
    includeStaticMethods -
    
    Returns:
    
    the set of method names
  - methodsHelper
```
public static void methodsHelper(Class<?> theClass,
                                 Class<?> superclassToStopAt,
                                 boolean includeSuperclassToStopAt,
                                 boolean includeStaticMethods,
                                 Class<? extends Annotation> markerAnnotation,
                                 boolean includeAnnotation,
                                 Set<Method> methodSet)
```
    get the set of methods
    
    Parameters:
    
    theClass -
    
    superclassToStopAt -
    
    includeSuperclassToStopAt -
    
    includeStaticMethods -
    
    markerAnnotation -
    
    includeAnnotation -
    
    methodSet -
  - method
```
public static Method method(Class<?> theClass,
                            String methodName,
                            Object paramTypesOrArrayOrList,
                            Class<?> superclassToStopAt,
                            boolean includeSuperclassToStopAt,
                            boolean isStaticOrInstance,
                            Class<? extends Annotation> markerAnnotation,
                            boolean includeAnnotation)
```
    get the set of methods
    
    Parameters:
    
    theClass -
    
    methodName -
    
    paramTypesOrArrayOrList - types of the params
    
    superclassToStopAt -
    
    includeSuperclassToStopAt -
    
    isStaticOrInstance - true if static
    
    markerAnnotation -
    
    includeAnnotation -
    
    Returns:
    
    the method or null if not found
  - fieldValue
```
public static Object fieldValue(Class theClass,
                                Object invokeOn,
                                String fieldName,
                                boolean callOnSupers,
                                boolean overrideSecurity)
```
    find out a field value
    
    Parameters:
    
    theClass - the class which has the method
    
    invokeOn - to call on or null for static
    
    fieldName - method name to call
    
    callOnSupers - if static and method not exists, try on supers
    
    overrideSecurity - true to call on protected or private etc methods
    
    Returns:
    
    the current value
  - fieldValue
```
public static Object fieldValue(Field field,
                                Object invokeOn)
```
    get the value of a field, override security if needbe
    
    Parameters:
    
    field -
    
    invokeOn -
    
    Returns:
    
    the value of the field
  - fieldValue
```
public static Object fieldValue(Field field,
                                Object invokeOn,
                                boolean overrideSecurity)
```
    get the value of a field
    
    Parameters:
    
    field -
    
    invokeOn -
    
    overrideSecurity -
    
    Returns:
    
    the value of the field
  - fieldValue
```
public static Object fieldValue(Object invokeOn,
                                String fieldName)
```
    find out a field value (invoke on supers, override security)
    
    Parameters:
    
    invokeOn - to call on or null for static
    
    fieldName - method name to call
    
    Returns:
    
    the current value
  - callMethod
```
public static Object callMethod(Class theClass,
                                Object invokeOn,
                                String methodName)
```
    helper method for calling a method with no params (could be in superclass)
    
    Parameters:
    
    theClass - the class which has the method
    
    invokeOn - to call on or null for static
    
    methodName - method name to call
    
    Returns:
    
    the data
  - callMethod
```
public static Object callMethod(Class theClass,
                                Object invokeOn,
                                String methodName,
                                Object paramTypesOrArrayOrList,
                                Object paramsOrListOrArray)
```
    helper method for calling a method (could be in superclass)
    
    Parameters:
    
    theClass - the class which has the method
    
    invokeOn - to call on or null for static
    
    methodName - method name to call
    
    paramTypesOrArrayOrList - types of the params
    
    paramsOrListOrArray - data
    
    Returns:
    
    the data
  - callMethod
```
public static Object callMethod(Class theClass,
                                Object invokeOn,
                                String methodName,
                                Object paramTypesOrArrayOrList,
                                Object paramsOrListOrArray,
                                boolean callOnSupers)
```
    helper method for calling a method
    
    Parameters:
    
    theClass - the class which has the method
    
    invokeOn - to call on or null for static
    
    methodName - method name to call
    
    paramTypesOrArrayOrList - types of the params
    
    paramsOrListOrArray - data
    
    callOnSupers - if static and method not exists, try on supers
    
    Returns:
    
    the data
  - construct
```
public static <T> T construct(Class<T> theClass,
                              Class[] types,
                              Object[] args)
```
    construct an instance by reflection
    
    Type Parameters:
    
    T -
    
    Parameters:
    
    theClass -
    
    args -
    
    types -
    
    Returns:
    
    the instance
  - callMethod
```
public static Object callMethod(Class theClass,
                                Object invokeOn,
                                String methodName,
                                Object paramTypesOrArrayOrList,
                                Object paramsOrListOrArray,
                                boolean callOnSupers,
                                boolean overrideSecurity)
```
    helper method for calling a method
    
    Parameters:
    
    theClass - the class which has the method
    
    invokeOn - to call on or null for static
    
    methodName - method name to call
    
    paramTypesOrArrayOrList - types of the params
    
    paramsOrListOrArray - data
    
    callOnSupers - if static and method not exists, try on supers
    
    overrideSecurity - true to call on protected or private etc methods
    
    Returns:
    
    the data
  - invokeMethod
```
public static Object invokeMethod(Method method,
                                  Object invokeOn)
```
    Safely invoke a reflection method that takes no args
    
    Parameters:
    
    method - to invoke
    
    invokeOn - if NO_PARAMS then will not pass in params.
    
    Returns:
    
    the result
  - invokeMethod
```
public static Object invokeMethod(Method method,
                                  Object invokeOn,
                                  Object paramsOrListOrArray)
```
    Safely invoke a reflection method
    
    Parameters:
    
    method - to invoke
    
    invokeOn -
    
    paramsOrListOrArray - must be an arg. If null, will pass null. if NO_PARAMS then will not pass in params.
    
    Returns:
    
    the result
  - toArray
```
public static Object toArray(Object objectOrArrayOrCollection)
```
    Convert a list to an array with the type of the first element e.g. if it is a list of Person objects, then the array is Person[]
    
    Parameters:
    
    objectOrArrayOrCollection - is a list
    
    Returns:
    
    the array of objects with type of the first element in the list
  - toArray
```
public static <T> T[] toArray(Collection collection,
                              Class<T> theClass)
```
    convert a list into an array of type of theClass
    
    Type Parameters:
    
    T - is the type of the array
    
    Parameters:
    
    collection - list to convert
    
    theClass - type of array to return
    
    Returns:
    
    array of type theClass[] filled with the objects from list
  - callMethod
```
public static Object callMethod(Class theClass,
                                String methodName)
```
    helper method for calling a static method up the stack. method takes no args (could be in superclass)
    
    Parameters:
    
    theClass - the class which has the method
    
    methodName - method name to call
    
    Returns:
    
    the data
  - callMethod
```
public static Object callMethod(Class theClass,
                                String methodName,
                                boolean callOnSupers)
```
    helper method for calling a static method with no params
    
    Parameters:
    
    theClass - the class which has the method
    
    methodName - method name to call
    
    callOnSupers - if we should try the super classes if not exists in this class
    
    Returns:
    
    the data
  - callMethod
```
public static Object callMethod(Class theClass,
                                String methodName,
                                Object paramTypesOrArrayOrList,
                                Object paramsOrListOrArray)
```
    helper method for calling a static method up the stack
    
    Parameters:
    
    theClass - the class which has the method
    
    methodName - method name to call
    
    paramTypesOrArrayOrList - types of the params
    
    paramsOrListOrArray - data
    
    Returns:
    
    the data
  - callMethod
```
public static Object callMethod(Object invokeOn,
                                String methodName)
```
    helper method for calling a method with no params (could be in superclass), will override security
    
    Parameters:
    
    invokeOn - instance to invoke on
    
    methodName - method name to call not exists in this class
    
    Returns:
    
    the data
  - replace
```
public static String replace(String text,
                             Object searchFor,
                             Object replaceWith)
```
    replace a string or strings from a string, and put the output in a string buffer. This does not recurse
    
    Parameters:
    
    text - string to look in
    
    searchFor - string array to search for
    
    replaceWith - string array to replace with
    
    Returns:
    
    the string
  - replace
```
public static String replace(String text,
                             Object searchFor,
                             Object replaceWith,
                             boolean recurse)
```
    replace a string or strings from a string, and put the output in a string buffer
    
    Parameters:
    
    text - string to look in
    
    searchFor - string array to search for
    
    replaceWith - string array to replace with
    
    recurse - if true then do multiple replaces (on the replacements)
    
    Returns:
    
    the string
  - replace
```
public static String replace(String text,
                             Object searchFor,
                             Object replaceWith,
                             boolean recurse,
                             boolean removeIfFound)
```
    replace a string or strings from a string, and put the output in a string buffer
    
    Parameters:
    
    text - string to look in
    
    searchFor - string array to search for
    
    replaceWith - string array to replace with
    
    recurse - if true then do multiple replaces (on the replacements)
    
    removeIfFound - true if removing from searchFor and replaceWith if found
    
    Returns:
    
    the string
  - replace
```
public static String replace(String text,
                             String repl,
                             String with)
```
    Replaces all occurrences of a String within another String.
    
    A null reference passed to this method is a no-op.
```
 replace(null, *, *)        = null
 replace("", *, *)          = ""
 replace("any", null, *)    = "any"
 replace("any", *, null)    = "any"
 replace("any", "", *)      = "any"
 replace("aba", "a", null)  = "aba"
 replace("aba", "a", "")    = "b"
 replace("aba", "a", "z")   = "zbz"
 
```
    Parameters:
    
    text - text to search and replace in, may be null
    
    repl - the String to search for, may be null
    
    with - the String to replace with, may be null
    
    Returns:
    
    the text with any replacements processed, null if null String input
    
    See Also:
    
    replace(String text, String repl, String with, int max)
  - replace
```
public static String replace(String text,
                             String repl,
                             String with,
                             int max)
```
    Replaces a String with another String inside a larger String, for the first max values of the search String.
    
    A null reference passed to this method is a no-op.
```
 replace(null, *, *, *)         = null
 replace("", *, *, *)           = ""
 replace("any", null, *, *)     = "any"
 replace("any", *, null, *)     = "any"
 replace("any", "", *, *)       = "any"
 replace("any", *, *, 0)        = "any"
 replace("abaa", "a", null, -1) = "abaa"
 replace("abaa", "a", "", -1)   = "b"
 replace("abaa", "a", "z", 0)   = "abaa"
 replace("abaa", "a", "z", 1)   = "zbaa"
 replace("abaa", "a", "z", 2)   = "zbza"
 replace("abaa", "a", "z", -1)  = "zbzz"
 
```
    Parameters:
    
    text - text to search and replace in, may be null
    
    repl - the String to search for, may be null
    
    with - the String to replace with, may be null
    
    max - maximum number of values to replace, or -1 if no maximum
    
    Returns:
    
    the text with any replacements processed, null if null String input
  - isEmpty
```
public static boolean isEmpty(String str)
```
    Checks if a String is empty ("") or null.
```
 isEmpty(null)      = true
 isEmpty("")        = true
 isEmpty(" ")       = false
 isEmpty("bob")     = false
 isEmpty("  bob  ") = false
 
```
    NOTE: This method changed in Lang version 2.0. It no longer trims the String. That functionality is available in isBlank().
    Parameters:
    
    str - the String to check, may be null
    
    Returns:
    
    true if the String is empty or null
  - replace
```
public static void replace(StringBuffer outBuffer,
                           String text,
                           Object searchFor,
                           Object replaceWith)
```
    replace a string or strings from a string, and put the output in a string buffer. This does not recurse
    
    Parameters:
    
    outBuffer - stringbuffer to write to
    
    text - string to look in
    
    searchFor - string array to search for
    
    replaceWith - string array to replace with
  - replace
```
public static void replace(StringBuffer outBuffer,
                           String text,
                           Object searchFor,
                           Object replaceWith,
                           boolean recurse)
```
    replace a string or strings from a string, and put the output in a string buffer
    
    Parameters:
    
    outBuffer - stringbuffer to write to
    
    text - string to look in
    
    searchFor - string array to search for
    
    replaceWith - string array to replace with
    
    recurse - if true then do multiple replaces (on the replacements)
  - replace
```
public static void replace(Writer outWriter,
                           String text,
                           Object searchFor,
                           Object replaceWith)
```
    replace a string or strings from a string, and put the output in a string buffer. This does not recurse
    
    Parameters:
    
    outWriter - writer to write to
    
    text - string to look in
    
    searchFor - string array to search for
    
    replaceWith - string array to replace with
  - replace
```
public static void replace(Writer outWriter,
                           String text,
                           Object searchFor,
                           Object replaceWith,
                           boolean recurse)
```
    replace a string or strings from a string, and put the output in a string buffer
    
    Parameters:
    
    outWriter - writer to write to
    
    text - string to look in
    
    searchFor - string array to search for
    
    replaceWith - string array to replace with
    
    recurse - if true then do multiple replaces (on the replacements)
  - packInts
```
public static long packInts(int first,
                            int second)
```
    pack two ints into a long. Note: the first is held in the left bits, the second is held in the right bits
    
    Parameters:
    
    first - is first int
    
    second - is second int
    
    Returns:
    
    the long which has two ints in there
  - unpackInt
```
public static int unpackInt(long theLong,
                            boolean isFirst)
```
    take a long
    
    Parameters:
    
    theLong - to unpack
    
    isFirst - true for first, false for second
    
    Returns:
    
    one of the packed ints, first or second
  - get
```
public static Object get(Object arrayOrCollection,
                         int index)
```
    Get a specific index of an array or collection (note for collections and iterating, it is more efficient to get an iterator and iterate
    
    Parameters:
    
    arrayOrCollection -
    
    index -
    
    Returns:
    
    the object at that index
  - toStringSafe
```
public static String toStringSafe(Object object)
```
    fail safe toString for Exception blocks, and include the stack if there is a problem with toString()
    
    Parameters:
    
    object -
    
    Returns:
    
    the toStringSafe string
  - booleanValue
```
public static boolean booleanValue(Object object)
```
    get the boolean value for an object, cant be null or blank
    
    Parameters:
    
    object -
    
    Returns:
    
    the boolean
  - booleanValue
```
public static boolean booleanValue(Object object,
                                   boolean defaultBoolean)
```
    get the boolean value for an object
    
    Parameters:
    
    object -
    
    defaultBoolean - if object is null or empty
    
    Returns:
    
    the boolean
  - booleanObjectValue
```
public static Boolean booleanObjectValue(Object object)
```
    get the Boolean value for an object
    
    Parameters:
    
    object -
    
    Returns:
    
    the Boolean or null if null or empty
  - nullOrBlank
```
public static boolean nullOrBlank(Object object)
```
    is an object null or blank
    
    Parameters:
    
    object -
    
    Returns:
    
    true if null or blank
  - getter
```
public static Method getter(Class theClass,
                            String fieldName,
                            boolean callOnSupers,
                            boolean throwExceptionIfNotFound)
```
    get a getter method object for a class, potentially in superclasses
    
    Parameters:
    
    theClass -
    
    fieldName -
    
    callOnSupers - true if superclasses should be looked in for the getter
    
    throwExceptionIfNotFound - will throw runtime exception if not found
    
    Returns:
    
    the getter object or null if not found (or exception if param is set)
  - getterHelper
```
public static Method getterHelper(Class theClass,
                                  String fieldName,
                                  String getterName,
                                  boolean callOnSupers,
                                  boolean throwExceptionIfNotFound)
```
    get a setter method object for a class, potentially in superclasses
    
    Parameters:
    
    theClass -
    
    fieldName -
    
    getterName - name of setter
    
    callOnSupers - true if superclasses should be looked in for the setter
    
    throwExceptionIfNotFound - will throw runtime exception if not found
    
    Returns:
    
    the setter object or null if not found (or exception if param is set)
  - getterNameFromPropertyName
```
public static String getterNameFromPropertyName(String propertyName)
```
    generate getBb from bb
    
    Parameters:
    
    propertyName -
    
    Returns:
    
    the getter
  - getters
```
public static Set<Method> getters(Class theClass,
                                  Class superclassToStopAt,
                                  Class<? extends Annotation> markerAnnotation,
                                  Boolean includeAnnotation)
```
    get all getters from a class, including superclasses (if specified) (up to and including the specified superclass). ignore a certain marker annotation, or only include it. Dont get static or final getters, and get getters of all types
    
    Parameters:
    
    theClass - to look for fields in
    
    superclassToStopAt - to go up to or null to go up to Object
    
    markerAnnotation - if this is not null, then if the field has this annotation, then do not include in list (if includeAnnotation is false)
    
    includeAnnotation - true if the attribute should be included if annotation is present, false if exclude
    
    Returns:
    
    the set of field names or empty set if none
  - isGetter
```
public static boolean isGetter(Method method)
```
    if the method name starts with get, and takes no args, and returns something, then getter
    
    Parameters:
    
    method -
    
    Returns:
    
    true if getter
  - assignSetter
```
public static void assignSetter(Object invokeOn,
                                String fieldName,
                                Object dataToAssign,
                                boolean typeCast)
```
    assign data to a setter. Will find the field in superclasses, will typecast, and will override security (private, protected, etc)
    
    Parameters:
    
    invokeOn - to call on or null for static
    
    fieldName - method name to call
    
    dataToAssign - data
    
    typeCast - will typecast if true
    
    Throws:
    
    RuntimeException - if not there
  - isSetter
```
public static boolean isSetter(Method method)
```
    if the method name starts with get, and takes no args, and returns something, then getter
    
    Parameters:
    
    method -
    
    Returns:
    
    true if getter
  - setter
```
public static Method setter(Class theClass,
                            String fieldName,
                            boolean callOnSupers,
                            boolean throwExceptionIfNotFound)
```
    get a setter method object for a class, potentially in superclasses
    
    Parameters:
    
    theClass -
    
    fieldName -
    
    callOnSupers - true if superclasses should be looked in for the setter
    
    throwExceptionIfNotFound - will throw runtime exception if not found
    
    Returns:
    
    the setter object or null if not found (or exception if param is set)
  - setterHelper
```
public static Method setterHelper(Class theClass,
                                  String fieldName,
                                  String setterName,
                                  boolean callOnSupers,
                                  boolean throwExceptionIfNotFound)
```
    get a setter method object for a class, potentially in superclasses
    
    Parameters:
    
    theClass -
    
    fieldName -
    
    setterName - name of setter
    
    callOnSupers - true if superclasses should be looked in for the setter
    
    throwExceptionIfNotFound - will throw runtime exception if not found
    
    Returns:
    
    the setter object or null if not found (or exception if param is set)
  - setterNameFromPropertyName
```
public static String setterNameFromPropertyName(String propertyName)
```
    generate setBb from bb
    
    Parameters:
    
    propertyName -
    
    Returns:
    
    the setter
  - setters
```
public static Set<Method> setters(Class theClass,
                                  Class superclassToStopAt,
                                  Class<?> fieldType,
                                  boolean includeSuperclassToStopAt,
                                  Class<? extends Annotation> markerAnnotation,
                                  boolean includeAnnotation)
```
    get all setters from a class, including superclasses (if specified)
    
    Parameters:
    
    theClass - to look for fields in
    
    superclassToStopAt - to go up to or null to go up to Object
    
    fieldType - is the type of the field to get
    
    includeSuperclassToStopAt - if we should include the superclass
    
    markerAnnotation - if this is not null, then if the field has this annotation, then do not include in list (if includeAnnotation is false)
    
    includeAnnotation - true if the attribute should be included if annotation is present, false if exclude
    
    Returns:
    
    the set of fields (wont return null)
  - propertyName
```
public static String propertyName(Method method)
```
    If this is a getter or setter, then get the property name
    
    Parameters:
    
    method -
    
    Returns:
    
    the property name
  - propertyType
```
public static Class propertyType(Class theClass,
                                 String propertyName)
```
    use reflection to get a property type based on getter or setter or field
    
    Parameters:
    
    theClass -
    
    propertyName -
    
    Returns:
    
    the property type
  - typeCast
```
public static <T> T typeCast(Object value,
                             Class<T> theClass)
```
    If necessary, convert an object to another type. if type is Object.class, just return the input. Do not convert null to an empty primitive
    
    Type Parameters:
    
    T - is template type
    
    Parameters:
    
    value -
    
    theClass -
    
    Returns:
    
    the object of that instance converted into something else
  - newFileUniqueName
```
public static File newFileUniqueName(String parentDirName,
                                     String namePrefix,
                                     String nameSuffix,
                                     boolean createFile)
```
```
 make a new file in the name prefix dir.  If parent dir name is c:\temp
 and namePrefix is grouperDdl and nameSuffix is sql, then the file will be:
 
 c:\temp\grouperDdl_20080721_13_45_43_123.sql
  
 If the file exists, it will make a new filename, and create the empty file, and return it
 
```
    Parameters:
    
    parentDirName - can be blank for current dir
    
    namePrefix - the part before the date part
    
    nameSuffix - the last part of file name (can contain dot or will be the extension
    
    createFile - true to create the file
    
    Returns:
    
    the created file
  - dateValue
```
public static Date dateValue(Object inputObject)
```
```
 Convert an object to a java.util.Date.  allows, dates, null, blank, 
 yyyymmdd or yyyymmdd hh24:mm:ss
 or yyyy/MM/dd HH:mm:ss.SSS
 
```
    Parameters:
    
    inputObject - is the String or Date to convert
    
    Returns:
    
    the Date
  - isBlank
```
public static boolean isBlank(Object input)
```
    See if the input is null or if string, if it is empty or blank (whitespace)
    
    Parameters:
    
    input -
    
    Returns:
    
    true if blank
  - typeCast
```
public static <T> T typeCast(Object value,
                             Class<T> theClass,
                             boolean convertNullToDefaultPrimitive,
                             boolean useNewInstanceHooks)
```
    If necessary, convert an object to another type. if type is Object.class, just return the input
    
    Type Parameters:
    
    T - is the type to return
    
    Parameters:
    
    value -
    
    theClass -
    
    convertNullToDefaultPrimitive - if the value is null, and theClass is primitive, should we convert the null to a primitive default value
    
    useNewInstanceHooks - if theClass is not recognized, then honor the string "null", "newInstance", or get a constructor with one param, and call it
    
    Returns:
    
    the object of that instance converted into something else
  - isScalar
```
public static boolean isScalar(Class<?> type)
```
    see if a class is a scalar (not bean, not array or list, etc)
    
    Parameters:
    
    type -
    
    Returns:
    
    true if scalar
  - toTimestamp
```
public static Timestamp toTimestamp(Object input)
```
```
 Convert a string or object to a timestamp (could be string, date, timestamp, etc)
 yyyymmdd
 or
 yyyy/MM/dd HH:mm:ss
 or
 yyyy/MM/dd HH:mm:ss.SSS
 or
 yyyy/MM/dd HH:mm:ss.SSSSSS
 
 
```
    Parameters:
    
    input -
    
    Returns:
    
    the timestamp
    
    Throws:
    
    RuntimeException - if invalid format
  - stringValue
```
public static String stringValue(Object input)
```
    convert an object to a string
    
    Parameters:
    
    input - is the object to convert
    
    Returns:
    
    the String conversion of the object
  - timestampToString
```
public static String timestampToString(Date timestamp)
```
    Convert a timestamp into a string: yyyy/MM/dd HH:mm:ss.SSS
    
    Parameters:
    
    timestamp -
    
    Returns:
    
    the string representation
  - stringValue
```
public static String stringValue(Date date)
```
    convert a date to the standard string yyyymmdd
    
    Parameters:
    
    date -
    
    Returns:
    
    the string value
  - stringToTimestamp
```
public static Timestamp stringToTimestamp(String input)
```
```
convert a string to timestamp based on the following formats:
 yyyyMMdd
 yyyy/MM/dd HH:mm:ss
 yyyy/MM/dd HH:mm:ss.SSS
 yyyy/MM/dd HH:mm:ss.SSSSSS
 
```
    Parameters:
    
    input -
    
    Returns:
    
    the timestamp object
  - bigDecimalObjectValue
```
public static BigDecimal bigDecimalObjectValue(Object input)
```
    Convert an object to a byte, allow nulls
    
    Parameters:
    
    input -
    
    Returns:
    
    the boolean object value
  - byteObjectValue
```
public static Byte byteObjectValue(Object input)
```
    Convert an object to a byte, allow nulls
    
    Parameters:
    
    input -
    
    Returns:
    
    the boolean object value
  - byteValue
```
public static byte byteValue(Object input)
```
    convert an object to a byte
    
    Parameters:
    
    input -
    
    Returns:
    
    the byte
  - doubleObjectValue
```
public static Double doubleObjectValue(Object input,
                                       boolean allowNullBlank)
```
    get the Double value of an object
    
    Parameters:
    
    input - is a number or String
    
    allowNullBlank - used to default to false, if true, return null if nul inputted
    
    Returns:
    
    the Double equivalent
  - doubleValue
```
public static double doubleValue(Object input)
```
    get the double value of an object
    
    Parameters:
    
    input - is a number or String
    
    Returns:
    
    the double equivalent
  - doubleValueNoError
```
public static double doubleValueNoError(Object input)
```
    get the double value of an object, do not throw an exception if there is an error
    
    Parameters:
    
    input - is a number or String
    
    Returns:
    
    the double equivalent
  - floatObjectValue
```
public static Float floatObjectValue(Object input,
                                     boolean allowNullBlank)
```
    get the Float value of an object
    
    Parameters:
    
    input - is a number or String
    
    allowNullBlank - true if allow null or blank
    
    Returns:
    
    the Float equivalent
  - floatValue
```
public static float floatValue(Object input)
```
    get the float value of an object
    
    Parameters:
    
    input - is a number or String
    
    Returns:
    
    the float equivalent
  - floatValueNoError
```
public static float floatValueNoError(Object input)
```
    get the float value of an object, do not throw an exception if there is an error
    
    Parameters:
    
    input - is a number or String
    
    Returns:
    
    the float equivalent
  - intObjectValue
```
public static Integer intObjectValue(Object input,
                                     boolean allowNullBlank)
```
    get the Integer value of an object
    
    Parameters:
    
    input - is a number or String
    
    allowNullBlank - true if convert null or blank to null
    
    Returns:
    
    the Integer equivalent
  - intValue
```
public static int intValue(Object input)
```
    convert an object to a int
    
    Parameters:
    
    input -
    
    Returns:
    
    the number
  - intValue
```
public static int intValue(Object input,
                           int valueIfNull)
```
    convert an object to a int
    
    Parameters:
    
    input -
    
    valueIfNull - is if the input is null or empty, return this value
    
    Returns:
    
    the number
  - intValueNoError
```
public static int intValueNoError(Object input)
```
    get the int value of an object, do not throw an exception if there is an error
    
    Parameters:
    
    input - is a number or String
    
    Returns:
    
    the int equivalent
  - longObjectValue
```
public static Long longObjectValue(Object input,
                                   boolean allowNullBlank)
```
    get the Long value of an object
    
    Parameters:
    
    input - is a number or String
    
    allowNullBlank - true if null or blank converts to null
    
    Returns:
    
    the Long equivalent
  - longValue
```
public static long longValue(Object input)
```
    convert an object to a long
    
    Parameters:
    
    input -
    
    Returns:
    
    the number
  - longValue
```
public static long longValue(Object input,
                             long valueIfNull)
```
    convert an object to a long
    
    Parameters:
    
    input -
    
    valueIfNull - is if the input is null or empty, return this value
    
    Returns:
    
    the number
  - longValueNoError
```
public static long longValueNoError(Object input)
```
    get the long value of an object, do not throw an exception if there is an error
    
    Parameters:
    
    input - is a number or String
    
    Returns:
    
    the long equivalent
  - shortObjectValue
```
public static Short shortObjectValue(Object input)
```
    get the Short value of an object. converts null or blank to null
    
    Parameters:
    
    input - is a number or String
    
    Returns:
    
    the Long equivalent
  - shortValue
```
public static short shortValue(Object input)
```
    convert an object to a short
    
    Parameters:
    
    input -
    
    Returns:
    
    the number
  - charObjectValue
```
public static Character charObjectValue(Object input)
```
    get the Character wrapper value for the input
    
    Parameters:
    
    input - allow null, return null
    
    Returns:
    
    the Character object wrapper
  - charValue
```
public static char charValue(Object input)
```
    convert an object to a char
    
    Parameters:
    
    input -
    
    Returns:
    
    the number
  - createParentDirectories
```
public static void createParentDirectories(File file)
```
    Create the parent directories for a file if they do not already exist
    
    Parameters:
    
    file -
  - saveStringIntoFile
```
public static void saveStringIntoFile(File file,
                                      String contents)
```
    save a string into a file, file does not have to exist
    
    Parameters:
    
    file - is the file to save to
    
    contents - is the contents of the file
  - saveStringIntoFile
```
public static boolean saveStringIntoFile(File file,
                                         String contents,
                                         boolean onlyIfDifferentContents,
                                         boolean ignoreWhitespace)
```
    save a string into a file, file does not have to exist
    
    Parameters:
    
    file - is the file to save to
    
    contents - is the contents of the file
    
    onlyIfDifferentContents - true if only saving due to different contents
    
    ignoreWhitespace - true to ignore whitespace
    
    Returns:
    
    true if contents were saved (thus different if param set)
  - writeStringToFile
```
public static void writeStringToFile(File file,
                                     String data,
                                     String encoding)
                              throws IOException
```
    Writes data to a file. The file will be created if it does not exist.
    
    There is no readFileToString method without encoding parameter because the default encoding can differ between platforms and therefore results in inconsistent results.
    
    Parameters:
    
    file - the file to write.
    
    data - The content to write to the file.
    
    encoding - encoding to use
    
    Throws:
    
    IOException - in case of an I/O error
    
    UnsupportedEncodingException - if the encoding is not supported by the VM
  - readFileIntoString
```
public static String readFileIntoString(File file)
```
    Parameters:
    
    file - is the file to read into a string
    
    Returns:
    
    String
  - readResourceIntoString
```
public static String readResourceIntoString(String resourceName,
                                            boolean allowNull)
```
    Parameters:
    
    resourceName - is the string resource from classpath to read (e.g. grouper.properties)
    
    allowNull - is true if its ok if the resource is null or if it is not found or blank or whatever.
    
    Returns:
    
    String or null if allowed or RuntimeException if not allowed
  - readResourceIntoString
```
public static String readResourceIntoString(String resourceName,
                                            Class<?> classInJar)
```
    read resource into string
    
    Parameters:
    
    resourceName -
    
    classInJar - if not null, then look for the jar where this file is, and look in the same dir
    
    Returns:
    
    the properties or null if not exist
  - readFileToString
```
public static String readFileToString(File file,
                                      String encoding)
                               throws IOException
```
    Reads the contents of a file into a String.
    
    There is no readFileToString method without encoding parameter because the default encoding can differ between platforms and therefore results in inconsistent results.
    
    Parameters:
    
    file - the file to read.
    
    encoding - the encoding to use
    
    Returns:
    
    The file contents or null if read failed.
    
    Throws:
    
    IOException - in case of an I/O error
  - replaceWhitespaceWithSpace
```
public static String replaceWhitespaceWithSpace(String input)
```
    replace all whitespace with space
    
    Parameters:
    
    input -
    
    Returns:
    
    the string
  - closeQuietly
```
public static void closeQuietly(InputStream input)
```
    Unconditionally close an InputStream. Equivalent to InputStream.close(), except any exceptions will be ignored.
    
    Parameters:
    
    input - A (possibly null) InputStream
  - closeQuietly
```
public static void closeQuietly(OutputStream output)
```
    Unconditionally close an OutputStream. Equivalent to OutputStream.close(), except any exceptions will be ignored.
    
    Parameters:
    
    output - A (possibly null) OutputStream
  - closeQuietly
```
public static void closeQuietly(Reader input)
```
    Unconditionally close an Reader. Equivalent to Reader.close(), except any exceptions will be ignored.
    
    Parameters:
    
    input - A (possibly null) Reader
  - closeQuietly
```
public static void closeQuietly(Writer writer)
```
    close a writer quietly
    
    Parameters:
    
    writer -
  - toString
```
public static String toString(InputStream input,
                              String encoding)
                       throws IOException
```
    Get the contents of an InputStream as a String.
    
    Parameters:
    
    input - the InputStream to read from
    
    encoding - The name of a supported character encoding. See the IANA Charset Registry for a list of valid encoding types.
    
    Returns:
    
    the requested String
    
    Throws:
    
    IOException - In case of an I/O problem
  - copy
```
public static void copy(InputStream input,
                        Writer output,
                        String encoding)
                 throws IOException
```
    Copy and convert bytes from an InputStream to chars on a Writer, using the specified encoding.
    
    Parameters:
    
    input - the InputStream to read from
    
    output - the Writer to write to
    
    encoding - The name of a supported character encoding. See the IANA Charset Registry for a list of valid encoding types.
    
    Throws:
    
    IOException - In case of an I/O problem
  - copy
```
public static int copy(Reader input,
                       Writer output)
                throws IOException
```
    Copy chars from a Reader to a Writer.
    
    Parameters:
    
    input - the Reader to read from
    
    output - the Writer to write to
    
    Returns:
    
    the number of characters copied
    
    Throws:
    
    IOException - In case of an I/O problem
  - convertLongToChar
```
public static String convertLongToChar(long theLong)
```
    this method takes a long (less than 62) and converts it to a 1 character string (a-z, A-Z, 0-9)
    
    Parameters:
    
    theLong - is the long (less than 62) to convert to a 1 character string
    
    Returns:
    
    a one character string
  - convertLongToCharSmall
```
public static String convertLongToCharSmall(long theLong)
```
    this method takes a long (less than 36) and converts it to a 1 character string (A-Z, 0-9)
    
    Parameters:
    
    theLong - is the long (less than 36) to convert to a 1 character string
    
    Returns:
    
    a one character string
  - convertLongToString
```
public static String convertLongToString(long theLong)
```
    convert a long to a string by converting it to base 62 (26 lower, 26 upper, 10 digits)
    
    Parameters:
    
    theLong - is the long to convert
    
    Returns:
    
    the String conversion of this
  - convertLongToStringSmall
```
public static String convertLongToStringSmall(long theLong)
```
    convert a long to a string by converting it to base 36 (26 upper, 10 digits)
    
    Parameters:
    
    theLong - is the long to convert
    
    Returns:
    
    the String conversion of this
  - incrementChar
```
public static char incrementChar(char theChar)
```
    increment a character (A-Z then 0-9)
    
    Parameters:
    
    theChar -
    
    Returns:
    
    the value
  - incrementStringInt
```
public static char[] incrementStringInt(char[] string)
```
    Increment a string with A-Z and 0-9 (no lower case so case insensitive apps like windows IE will still work)
    
    Parameters:
    
    string -
    
    Returns:
    
    the value
  - propertiesFromResourceName
```
public static Properties propertiesFromResourceName(String resourceName)
```
    read properties from a resource, dont modify the properties returned since they are cached
    
    Parameters:
    
    resourceName -
    
    Returns:
    
    the properties
  - propertiesCacheClear
```
public static void propertiesCacheClear()
```
    clear properties cache (e.g. for testing)
  - propertiesFromFile
```
public static Properties propertiesFromFile(File file)
```
    read properties from file
    
    Parameters:
    
    file -
    
    Returns:
    
    properties
  - propertiesFromResourceName
```
public static Properties propertiesFromResourceName(String resourceName,
                                                    boolean useCache,
                                                    boolean exceptionIfNotExist,
                                                    Class<?> classInJar,
                                                    StringBuilder callingLog)
```
    read properties from a resource, dont modify the properties returned since they are cached
    
    Parameters:
    
    resourceName -
    
    useCache -
    
    exceptionIfNotExist -
    
    classInJar - if not null, then look for the jar where this file is, and look in the same dir
    
    callingLog -
    
    Returns:
    
    the properties or null if not exist
  - enumValueOfIgnoreCase
```
public static <E extends Enum<?>> E enumValueOfIgnoreCase(Class<E> theEnumClass,
                                                          String string,
                                                          boolean exceptionOnNotFound)
                                                   throws RuntimeException
```
    do a case-insensitive matching
    
    Type Parameters:
    
    E - generic type
    
    Parameters:
    
    theEnumClass - class of the enum
    
    string -
    
    exceptionOnNotFound - true if exception should be thrown on not found
    
    Returns:
    
    the enum or null or exception if not found
    
    Throws:
    
    RuntimeException - if there is a problem
  - propertyValue
```
public static Object propertyValue(Object object,
                                   String property)
```
    this assumes the property exists, and is a simple property
    
    Parameters:
    
    object -
    
    property -
    
    Returns:
    
    the value
  - propertiesValue
```
public static String propertiesValue(Properties properties,
                                     String key)
```
    get a value (trimmed to e) from a property file
    
    Parameters:
    
    properties -
    
    key -
    
    Returns:
    
    the property value
  - propertiesValue
```
public static String propertiesValue(Properties properties,
                                     Map<String,String> overrideMap,
                                     String key)
```
    get a value (trimmed to e) from a property file
    
    Parameters:
    
    properties -
    
    overrideMap - for testing, to override some properties values
    
    key -
    
    Returns:
    
    the property value
  - propertiesValue
```
public static String propertiesValue(Properties properties,
                                     Map<String,String> overrideMap,
                                     Map<String,String> overrideMap2,
                                     String key)
```
    get a value (trimmed to e) from a property file
    
    Parameters:
    
    properties -
    
    overrideMap - for testing or threadlocal, to override some properties values
    
    overrideMap2 - for testing, to provide some properties values
    
    key -
    
    Returns:
    
    the property value
  - substituteCommonVars
```
public static String substituteCommonVars(String string)
```
    substitute common vars like $space$ and $newline$
    
    Parameters:
    
    string -
    
    Returns:
    
    the string
  - propertiesValueBoolean
```
public static boolean propertiesValueBoolean(Properties properties,
                                             String propertyName,
                                             boolean defaultValue)
```
    get a boolean property, or the default if cant find
    
    Parameters:
    
    properties -
    
    propertyName -
    
    defaultValue -
    
    Returns:
    
    the boolean
  - propertiesValueBoolean
```
public static boolean propertiesValueBoolean(String resourceName,
                                             Properties properties,
                                             Map<String,String> overrideMap,
                                             String propertyName,
                                             boolean defaultValue,
                                             boolean required)
```
    get a boolean property, or the default if cant find. Validate also with a descriptive exception if problem
    
    Parameters:
    
    resourceName -
    
    properties -
    
    overrideMap - for testing to override properties
    
    propertyName -
    
    defaultValue -
    
    required -
    
    Returns:
    
    the boolean
  - propertiesValueInt
```
public static int propertiesValueInt(String resourceName,
                                     Properties properties,
                                     Map<String,String> overrideMap,
                                     String propertyName,
                                     int defaultValue,
                                     boolean required)
```
    get an int property, or the default if cant find. Validate also with a descriptive exception if problem
    
    Parameters:
    
    resourceName -
    
    properties -
    
    overrideMap - for testing to override properties
    
    propertyName -
    
    defaultValue -
    
    required -
    
    Returns:
    
    the int
  - propertiesValue
```
public static String propertiesValue(String resourceName,
                                     Properties properties,
                                     Map<String,String> overrideMap,
                                     String propertyName,
                                     boolean required)
```
    get a boolean property, or the default if cant find. Validate also with a descriptive exception if problem
    
    Parameters:
    
    resourceName -
    
    properties -
    
    overrideMap - for threadlocal or testing to override properties
    
    propertyName -
    
    required -
    
    Returns:
    
    the string
  - propertiesValueInt
```
public static int propertiesValueInt(Properties properties,
                                     Map<String,String> overrideMap,
                                     String propertyName,
                                     int defaultValue)
```
    get a int property, or the default if cant find
    
    Parameters:
    
    properties -
    
    overrideMap - for testing to override properties
    
    propertyName -
    
    defaultValue -
    
    Returns:
    
    the int
  - propertiesValueInt
```
public static int propertiesValueInt(Properties properties,
                                     Map<String,String> overrideMap,
                                     Map<String,String> overrideMap2,
                                     String propertyName,
                                     int defaultValue)
```
    get a int property, or the default if cant find
    
    Parameters:
    
    properties -
    
    overrideMap - for testing to override properties
    
    overrideMap2 -
    
    propertyName -
    
    defaultValue -
    
    Returns:
    
    the int
  - propertiesValueBoolean
```
public static boolean propertiesValueBoolean(Properties properties,
                                             Map<String,String> overrideMap,
                                             String propertyName,
                                             boolean defaultValue)
```
    get a boolean property, or the default if cant find
    
    Parameters:
    
    properties -
    
    overrideMap - for testing to override properties
    
    propertyName -
    
    defaultValue -
    
    Returns:
    
    the boolean
  - propertiesValueBoolean
```
public static boolean propertiesValueBoolean(Properties properties,
                                             Map<String,String> overrideMap,
                                             Map<String,String> overrideMap2,
                                             String propertyName,
                                             boolean defaultValue)
```
    get a boolean property, or the default if cant find
    
    Parameters:
    
    properties -
    
    overrideMap - for testing or threadlocal to override properties
    
    overrideMap2 - for testing or threadlocal to override properties
    
    propertyName -
    
    defaultValue -
    
    Returns:
    
    the boolean
  - closeQuietly
```
public static void closeQuietly(Connection connection)
```
    close a connection null safe and dont throw exception
    
    Parameters:
    
    connection -
  - closeQuietly
```
public static void closeQuietly(Statement statement)
```
    close a statement null safe and dont throw exception
    
    Parameters:
    
    statement -
  - closeQuietly
```
public static void closeQuietly(ResultSet resultSet)
```
    close a resultSet null safe and dont throw exception
    
    Parameters:
    
    resultSet -
  - hostname
```
public static String hostname()
```
    get the hostname of this machine
    
    Returns:
    
    the hostname
  - isAscii
```
public static boolean isAscii(char input)
```
    is ascii char
    
    Parameters:
    
    input -
    
    Returns:
    
    true if ascii
  - lengthAscii
```
public static int lengthAscii(String input)
```
    find the length of ascii chars (non ascii are counted as two)
    
    Parameters:
    
    input -
    
    Returns:
    
    the length of ascii chars
  - rollbackQuietly
```
public static void rollbackQuietly(Connection connection)
```
    rollback a connection quietly
    
    Parameters:
    
    connection -
  - truncateAscii
```
public static String truncateAscii(String input,
                                   int requiredLength)
```
    find the length of ascii chars (non ascii are counted as two)
    
    Parameters:
    
    input - is the string to operate on
    
    requiredLength - length we need the string to be
    
    Returns:
    
    the length of ascii chars
  - readFromFileIfFile
```
public static String readFromFileIfFile(String in,
                                        boolean disableExternalFileLookup)
```
    if the input is a file, read string from file. if not, or if disabled from grouper.properties, return the input
    
    Parameters:
    
    in -
    
    disableExternalFileLookup -
    
    Returns:
    
    the result
  - mkdirs
```
public static void mkdirs(File dir)
```
    Create directories, throw exception if not possible. This is will be ok if the directory already exists (will not delete it)
    
    Parameters:
    
    dir -
  - equals
```
public static boolean equals(String first,
                             String second)
```
    null safe string compare
    
    Parameters:
    
    first -
    
    second -
    
    Returns:
    
    true if equal
  - isBlank
```
public static boolean isBlank(String str)
```
    Checks if a String is whitespace, empty ("") or null.
```
 isBlank(null)      = true
 isBlank("")        = true
 isBlank(" ")       = true
 isBlank("bob")     = false
 isBlank("  bob  ") = false
 
```
    Parameters:
    
    str - the String to check, may be null
    
    Returns:
    
    true if the String is null, empty or whitespace
    
    Since:
    
    2.0
  - isNotBlank
```
public static boolean isNotBlank(String str)
```
    Parameters:
    
    str -
    
    Returns:
    
    true if not blank
  - trim
```
public static String trim(String str)
```
    trim whitespace from string
    
    Parameters:
    
    str -
    
    Returns:
    
    trimmed string
  - equalsIgnoreCase
```
public static boolean equalsIgnoreCase(String str1,
                                       String str2)
```
    equalsignorecase
    
    Parameters:
    
    str1 -
    
    str2 -
    
    Returns:
    
    true if the strings are equal ignore case
  - trimToEmpty
```
public static String trimToEmpty(String str)
```
    trim to empty, convert null to empty
    
    Parameters:
    
    str -
    
    Returns:
    
    trimmed
  - abbreviate
```
public static String abbreviate(String str,
                                int maxWidth)
```
    Abbreviates a String using ellipses. This will turn "Now is the time for all good men" into "Now is the time for..."
    
    Specifically:
    - If str is less than maxWidth characters long, return it.
    - Else abbreviate it to (substring(str, 0, max-3) + "...").
    - If maxWidth is less than 4, throw an IllegalArgumentException.
    - In no case will it return a String of length greater than maxWidth.
```
 StringUtils.abbreviate(null, *)      = null
 StringUtils.abbreviate("", 4)        = ""
 StringUtils.abbreviate("abcdefg", 6) = "abc..."
 StringUtils.abbreviate("abcdefg", 7) = "abcdefg"
 StringUtils.abbreviate("abcdefg", 8) = "abcdefg"
 StringUtils.abbreviate("abcdefg", 4) = "a..."
 StringUtils.abbreviate("abcdefg", 3) = IllegalArgumentException
 
```
    Parameters:
    
    str - the String to check, may be null
    
    maxWidth - maximum length of result String, must be at least 4
    
    Returns:
    
    abbreviated String, null if null String input
    
    Throws:
    
    IllegalArgumentException - if the width is too small
    
    Since:
    
    2.0
  - abbreviate
```
public static String abbreviate(String str,
                                int offset,
                                int maxWidth)
```
    Abbreviates a String using ellipses. This will turn "Now is the time for all good men" into "...is the time for..."
    
    Works like abbreviate(String, int), but allows you to specify a "left edge" offset. Note that this left edge is not necessarily going to be the leftmost character in the result, or the first character following the ellipses, but it will appear somewhere in the result.
    In no case will it return a String of length greater than maxWidth.
```
 StringUtils.abbreviate(null, *, *)                = null
 StringUtils.abbreviate("", 0, 4)                  = ""
 StringUtils.abbreviate("abcdefghijklmno", -1, 10) = "abcdefg..."
 StringUtils.abbreviate("abcdefghijklmno", 0, 10)  = "abcdefg..."
 StringUtils.abbreviate("abcdefghijklmno", 1, 10)  = "abcdefg..."
 StringUtils.abbreviate("abcdefghijklmno", 4, 10)  = "abcdefg..."
 StringUtils.abbreviate("abcdefghijklmno", 5, 10)  = "...fghi..."
 StringUtils.abbreviate("abcdefghijklmno", 6, 10)  = "...ghij..."
 StringUtils.abbreviate("abcdefghijklmno", 8, 10)  = "...ijklmno"
 StringUtils.abbreviate("abcdefghijklmno", 10, 10) = "...ijklmno"
 StringUtils.abbreviate("abcdefghijklmno", 12, 10) = "...ijklmno"
 StringUtils.abbreviate("abcdefghij", 0, 3)        = IllegalArgumentException
 StringUtils.abbreviate("abcdefghij", 5, 6)        = IllegalArgumentException
 
```
    Parameters:
    
    str - the String to check, may be null
    
    offset - left edge of source String
    
    maxWidth - maximum length of result String, must be at least 4
    
    Returns:
    
    abbreviated String, null if null String input
    
    Throws:
    
    IllegalArgumentException - if the width is too small
    
    Since:
    
    2.0
  - split
```
public static String[] split(String str)
```
    Splits the provided text into an array, using whitespace as the separator. Whitespace is defined by Character.isWhitespace(char).
    
    The separator is not included in the returned String array. Adjacent separators are treated as one separator. For more control over the split use the StrTokenizer class.
    
    A null input String returns null.
```
 StringUtils.split(null)       = null
 StringUtils.split("")         = []
 StringUtils.split("abc def")  = ["abc", "def"]
 StringUtils.split("abc  def") = ["abc", "def"]
 StringUtils.split(" abc ")    = ["abc"]
 
```
    Parameters:
    
    str - the String to parse, may be null
    
    Returns:
    
    an array of parsed Strings, null if null String input
  - split
```
public static String[] split(String str,
                             char separatorChar)
```
    Splits the provided text into an array, separator specified. This is an alternative to using StringTokenizer.
    
    The separator is not included in the returned String array. Adjacent separators are treated as one separator. For more control over the split use the StrTokenizer class.
    
    A null input String returns null.
```
 StringUtils.split(null, *)         = null
 StringUtils.split("", *)           = []
 StringUtils.split("a.b.c", '.')    = ["a", "b", "c"]
 StringUtils.split("a..b.c", '.')   = ["a", "b", "c"]
 StringUtils.split("a:b:c", '.')    = ["a:b:c"]
 StringUtils.split("a\tb\nc", null) = ["a", "b", "c"]
 StringUtils.split("a b c", ' ')    = ["a", "b", "c"]
 
```
    Parameters:
    
    str - the String to parse, may be null
    
    separatorChar - the character used as the delimiter, null splits on whitespace
    
    Returns:
    
    an array of parsed Strings, null if null String input
    
    Since:
    
    2.0
  - split
```
public static String[] split(String str,
                             String separatorChars)
```
    Splits the provided text into an array, separators specified. This is an alternative to using StringTokenizer.
    
    The separator is not included in the returned String array. Adjacent separators are treated as one separator. For more control over the split use the StrTokenizer class.
    
    A null input String returns null. A null separatorChars splits on whitespace.
```
 StringUtils.split(null, *)         = null
 StringUtils.split("", *)           = []
 StringUtils.split("abc def", null) = ["abc", "def"]
 StringUtils.split("abc def", " ")  = ["abc", "def"]
 StringUtils.split("abc  def", " ") = ["abc", "def"]
 StringUtils.split("ab:cd:ef", ":") = ["ab", "cd", "ef"]
 
```
    Parameters:
    
    str - the String to parse, may be null
    
    separatorChars - the characters used as the delimiters, null splits on whitespace
    
    Returns:
    
    an array of parsed Strings, null if null String input
  - split
```
public static String[] split(String str,
                             String separatorChars,
                             int max)
```
    Splits the provided text into an array with a maximum length, separators specified.
    
    The separator is not included in the returned String array. Adjacent separators are treated as one separator.
    
    A null input String returns null. A null separatorChars splits on whitespace.
    
    If more than max delimited substrings are found, the last returned string includes all characters after the first max - 1 returned strings (including separator characters).
```
 StringUtils.split(null, *, *)            = null
 StringUtils.split("", *, *)              = []
 StringUtils.split("ab de fg", null, 0)   = ["ab", "cd", "ef"]
 StringUtils.split("ab   de fg", null, 0) = ["ab", "cd", "ef"]
 StringUtils.split("ab:cd:ef", ":", 0)    = ["ab", "cd", "ef"]
 StringUtils.split("ab:cd:ef", ":", 2)    = ["ab", "cd:ef"]
 
```
    Parameters:
    
    str - the String to parse, may be null
    
    separatorChars - the characters used as the delimiters, null splits on whitespace
    
    max - the maximum number of elements to include in the array. A zero or negative value implies no limit
    
    Returns:
    
    an array of parsed Strings, null if null String input
  - splitByWholeSeparator
```
public static String[] splitByWholeSeparator(String str,
                                             String separator)
```
    Splits the provided text into an array, separator string specified.
    
    The separator(s) will not be included in the returned String array. Adjacent separators are treated as one separator.
    
    A null input String returns null. A null separator splits on whitespace.
```
 StringUtils.split(null, *)            = null
 StringUtils.split("", *)              = []
 StringUtils.split("ab de fg", null)   = ["ab", "de", "fg"]
 StringUtils.split("ab   de fg", null) = ["ab", "de", "fg"]
 StringUtils.split("ab:cd:ef", ":")    = ["ab", "cd", "ef"]
 StringUtils.split("abstemiouslyaeiouyabstemiously", "aeiouy")  = ["bst", "m", "sl", "bst", "m", "sl"]
 StringUtils.split("abstemiouslyaeiouyabstemiously", "aeiouy")  = ["abstemiously", "abstemiously"]
 
```
    Parameters:
    
    str - the String to parse, may be null
    
    separator - String containing the String to be used as a delimiter, null splits on whitespace
    
    Returns:
    
    an array of parsed Strings, null if null String was input
  - splitByWholeSeparator
```
public static String[] splitByWholeSeparator(String str,
                                             String separator,
                                             int max)
```
    Splits the provided text into an array, separator string specified. Returns a maximum of max substrings.
    
    The separator(s) will not be included in the returned String array. Adjacent separators are treated as one separator.
    
    A null input String returns null. A null separator splits on whitespace.
```
 StringUtils.splitByWholeSeparator(null, *, *)               = null
 StringUtils.splitByWholeSeparator("", *, *)                 = []
 StringUtils.splitByWholeSeparator("ab de fg", null, 0)      = ["ab", "de", "fg"]
 StringUtils.splitByWholeSeparator("ab   de fg", null, 0)    = ["ab", "de", "fg"]
 StringUtils.splitByWholeSeparator("ab:cd:ef", ":", 2)       = ["ab", "cd"]
 StringUtils.splitByWholeSeparator("abstemiouslyaeiouyabstemiously", "aeiouy", 2) = ["bst", "m"]
 StringUtils.splitByWholeSeparator("abstemiouslyaeiouyabstemiously", "aeiouy", 2)  = ["abstemiously", "abstemiously"]
 
```
    Parameters:
    
    str - the String to parse, may be null
    
    separator - String containing the String to be used as a delimiter, null splits on whitespace
    
    max - the maximum number of elements to include in the returned array. A zero or negative value implies no limit.
    
    Returns:
    
    an array of parsed Strings, null if null String was input
  - splitPreserveAllTokens
```
public static String[] splitPreserveAllTokens(String str)
```
    Splits the provided text into an array, using whitespace as the separator, preserving all tokens, including empty tokens created by adjacent separators. This is an alternative to using StringTokenizer. Whitespace is defined by Character.isWhitespace(char).
    
    The separator is not included in the returned String array. Adjacent separators are treated as separators for empty tokens. For more control over the split use the StrTokenizer class.
    
    A null input String returns null.
```
 StringUtils.splitPreserveAllTokens(null)       = null
 StringUtils.splitPreserveAllTokens("")         = []
 StringUtils.splitPreserveAllTokens("abc def")  = ["abc", "def"]
 StringUtils.splitPreserveAllTokens("abc  def") = ["abc", "", "def"]
 StringUtils.splitPreserveAllTokens(" abc ")    = ["", "abc", ""]
 
```
    Parameters:
    
    str - the String to parse, may be null
    
    Returns:
    
    an array of parsed Strings, null if null String input
    
    Since:
    
    2.1
  - splitPreserveAllTokens
```
public static String[] splitPreserveAllTokens(String str,
                                              char separatorChar)
```
    Splits the provided text into an array, separator specified, preserving all tokens, including empty tokens created by adjacent separators. This is an alternative to using StringTokenizer.
    
    The separator is not included in the returned String array. Adjacent separators are treated as separators for empty tokens. For more control over the split use the StrTokenizer class.
    
    A null input String returns null.
```
 StringUtils.splitPreserveAllTokens(null, *)         = null
 StringUtils.splitPreserveAllTokens("", *)           = []
 StringUtils.splitPreserveAllTokens("a.b.c", '.')    = ["a", "b", "c"]
 StringUtils.splitPreserveAllTokens("a..b.c", '.')   = ["a", "b", "c"]
 StringUtils.splitPreserveAllTokens("a:b:c", '.')    = ["a:b:c"]
 StringUtils.splitPreserveAllTokens("a\tb\nc", null) = ["a", "b", "c"]
 StringUtils.splitPreserveAllTokens("a b c", ' ')    = ["a", "b", "c"]
 StringUtils.splitPreserveAllTokens("a b c ", ' ')   = ["a", "b", "c", ""]
 StringUtils.splitPreserveAllTokens("a b c ", ' ')   = ["a", "b", "c", "", ""]
 StringUtils.splitPreserveAllTokens(" a b c", ' ')   = ["", a", "b", "c"]
 StringUtils.splitPreserveAllTokens("  a b c", ' ')  = ["", "", a", "b", "c"]
 StringUtils.splitPreserveAllTokens(" a b c ", ' ')  = ["", a", "b", "c", ""]
 
```
    Parameters:
    
    str - the String to parse, may be null
    
    separatorChar - the character used as the delimiter, null splits on whitespace
    
    Returns:
    
    an array of parsed Strings, null if null String input
    
    Since:
    
    2.1
  - splitPreserveAllTokens
```
public static String[] splitPreserveAllTokens(String str,
                                              String separatorChars)
```
    Splits the provided text into an array, separators specified, preserving all tokens, including empty tokens created by adjacent separators. This is an alternative to using StringTokenizer.
    
    The separator is not included in the returned String array. Adjacent separators are treated as separators for empty tokens. For more control over the split use the StrTokenizer class.
    
    A null input String returns null. A null separatorChars splits on whitespace.
```
 StringUtils.splitPreserveAllTokens(null, *)           = null
 StringUtils.splitPreserveAllTokens("", *)             = []
 StringUtils.splitPreserveAllTokens("abc def", null)   = ["abc", "def"]
 StringUtils.splitPreserveAllTokens("abc def", " ")    = ["abc", "def"]
 StringUtils.splitPreserveAllTokens("abc  def", " ")   = ["abc", "", def"]
 StringUtils.splitPreserveAllTokens("ab:cd:ef", ":")   = ["ab", "cd", "ef"]
 StringUtils.splitPreserveAllTokens("ab:cd:ef:", ":")  = ["ab", "cd", "ef", ""]
 StringUtils.splitPreserveAllTokens("ab:cd:ef::", ":") = ["ab", "cd", "ef", "", ""]
 StringUtils.splitPreserveAllTokens("ab::cd:ef", ":")  = ["ab", "", cd", "ef"]
 StringUtils.splitPreserveAllTokens(":cd:ef", ":")     = ["", cd", "ef"]
 StringUtils.splitPreserveAllTokens("::cd:ef", ":")    = ["", "", cd", "ef"]
 StringUtils.splitPreserveAllTokens(":cd:ef:", ":")    = ["", cd", "ef", ""]
 
```
    Parameters:
    
    str - the String to parse, may be null
    
    separatorChars - the characters used as the delimiters, null splits on whitespace
    
    Returns:
    
    an array of parsed Strings, null if null String input
    
    Since:
    
    2.1
  - splitPreserveAllTokens
```
public static String[] splitPreserveAllTokens(String str,
                                              String separatorChars,
                                              int max)
```
    Splits the provided text into an array with a maximum length, separators specified, preserving all tokens, including empty tokens created by adjacent separators.
    
    The separator is not included in the returned String array. Adjacent separators are treated as separators for empty tokens. Adjacent separators are treated as one separator.
    
    A null input String returns null. A null separatorChars splits on whitespace.
    
    If more than max delimited substrings are found, the last returned string includes all characters after the first max - 1 returned strings (including separator characters).
```
 StringUtils.splitPreserveAllTokens(null, *, *)            = null
 StringUtils.splitPreserveAllTokens("", *, *)              = []
 StringUtils.splitPreserveAllTokens("ab de fg", null, 0)   = ["ab", "cd", "ef"]
 StringUtils.splitPreserveAllTokens("ab   de fg", null, 0) = ["ab", "cd", "ef"]
 StringUtils.splitPreserveAllTokens("ab:cd:ef", ":", 0)    = ["ab", "cd", "ef"]
 StringUtils.splitPreserveAllTokens("ab:cd:ef", ":", 2)    = ["ab", "cd:ef"]
 StringUtils.splitPreserveAllTokens("ab   de fg", null, 2) = ["ab", "  de fg"]
 StringUtils.splitPreserveAllTokens("ab   de fg", null, 3) = ["ab", "", " de fg"]
 StringUtils.splitPreserveAllTokens("ab   de fg", null, 4) = ["ab", "", "", "de fg"]
 
```
    Parameters:
    
    str - the String to parse, may be null
    
    separatorChars - the characters used as the delimiters, null splits on whitespace
    
    max - the maximum number of elements to include in the array. A zero or negative value implies no limit
    
    Returns:
    
    an array of parsed Strings, null if null String input
    
    Since:
    
    2.1
  - join
```
public static String join(Object[] array)
```
    Joins the elements of the provided array into a single String containing the provided list of elements.
    
    No separator is added to the joined String. Null objects or empty strings within the array are represented by empty strings.
```
 StringUtils.join(null)            = null
 StringUtils.join([])              = ""
 StringUtils.join([null])          = ""
 StringUtils.join(["a", "b", "c"]) = "abc"
 StringUtils.join([null, "", "a"]) = "a"
 
```
    Parameters:
    
    array - the array of values to join together, may be null
    
    Returns:
    
    the joined String, null if null array input
    
    Since:
    
    2.0
  - join
```
public static String join(Object[] array,
                          char separator)
```
    Joins the elements of the provided array into a single String containing the provided list of elements.
    
    No delimiter is added before or after the list. Null objects or empty strings within the array are represented by empty strings.
```
 StringUtils.join(null, *)               = null
 StringUtils.join([], *)                 = ""
 StringUtils.join([null], *)             = ""
 StringUtils.join(["a", "b", "c"], ';')  = "a;b;c"
 StringUtils.join(["a", "b", "c"], null) = "abc"
 StringUtils.join([null, "", "a"], ';')  = ";;a"
 
```
    Parameters:
    
    array - the array of values to join together, may be null
    
    separator - the separator character to use
    
    Returns:
    
    the joined String, null if null array input
    
    Since:
    
    2.0
  - join
```
public static String join(Object[] array,
                          String separator)
```
    Joins the elements of the provided array into a single String containing the provided list of elements.
    
    No delimiter is added before or after the list. A null separator is the same as an empty String (""). Null objects or empty strings within the array are represented by empty strings.
```
 StringUtils.join(null, *)                = null
 StringUtils.join([], *)                  = ""
 StringUtils.join([null], *)              = ""
 StringUtils.join(["a", "b", "c"], "--")  = "a--b--c"
 StringUtils.join(["a", "b", "c"], null)  = "abc"
 StringUtils.join(["a", "b", "c"], "")    = "abc"
 StringUtils.join([null, "", "a"], ',')   = ",,a"
 
```
    Parameters:
    
    array - the array of values to join together, may be null
    
    separator - the separator character to use, null treated as ""
    
    Returns:
    
    the joined String, null if null array input
  - join
```
public static String join(Iterator iterator,
                          char separator)
```
    Joins the elements of the provided Iterator into a single String containing the provided elements.
    
    No delimiter is added before or after the list. Null objects or empty strings within the iteration are represented by empty strings.
    
    See the examples here: join(Object[],char).
    
    Parameters:
    
    iterator - the Iterator of values to join together, may be null
    
    separator - the separator character to use
    
    Returns:
    
    the joined String, null if null iterator input
    
    Since:
    
    2.0
  - join
```
public static String join(Iterator iterator,
                          String separator)
```
    Joins the elements of the provided Iterator into a single String containing the provided elements.
    
    No delimiter is added before or after the list. A null separator is the same as an empty String ("").
    
    See the examples here: join(Object[],String).
    
    Parameters:
    
    iterator - the Iterator of values to join together, may be null
    
    separator - the separator character to use, null treated as ""
    
    Returns:
    
    the joined String, null if null iterator input
  - defaultString
```
public static String defaultString(String str)
```
    Returns either the passed in String, or if the String is null, an empty String ("").
```
 StringUtils.defaultString(null)  = ""
 StringUtils.defaultString("")    = ""
 StringUtils.defaultString("bat") = "bat"
 
```
    Parameters:
    
    str - the String to check, may be null
    
    Returns:
    
    the passed in String, or the empty String if it was null
    
    See Also:
    
    String.valueOf(Object)
  - defaultString
```
public static String defaultString(String str,
                                   String defaultStr)
```
    Returns either the passed in String, or if the String is null, the value of defaultStr.
```
 StringUtils.defaultString(null, "NULL")  = "NULL"
 StringUtils.defaultString("", "NULL")    = ""
 StringUtils.defaultString("bat", "NULL") = "bat"
 
```
    Parameters:
    
    str - the String to check, may be null
    
    defaultStr - the default String to return if the input is null, may be null
    
    Returns:
    
    the passed in String, or the default if it was null
    
    See Also:
    
    String.valueOf(Object)
  - defaultIfEmpty
```
public static String defaultIfEmpty(String str,
                                    String defaultStr)
```
    Returns either the passed in String, or if the String is empty or null, the value of defaultStr.
```
 StringUtils.defaultIfEmpty(null, "NULL")  = "NULL"
 StringUtils.defaultIfEmpty("", "NULL")    = "NULL"
 StringUtils.defaultIfEmpty("bat", "NULL") = "bat"
 
```
    Parameters:
    
    str - the String to check, may be null
    
    defaultStr - the default String to return if the input is empty ("") or null, may be null
    
    Returns:
    
    the passed in String, or the default
  - capitalize
```
public static String capitalize(String str)
```
    Capitalizes a String changing the first letter to title case as per Character.toTitleCase(char). No other letters are changed.
    A null input String returns null.
```
 StringUtils.capitalize(null)  = null
 StringUtils.capitalize("")    = ""
 StringUtils.capitalize("cat") = "Cat"
 StringUtils.capitalize("cAt") = "CAt"
 
```
    Parameters:
    
    str - the String to capitalize, may be null
    
    Returns:
    
    the capitalized String, null if null String input
    
    Since:
    
    2.0
  - contains
```
public static boolean contains(String str,
                               char searchChar)
```
    Checks if String contains a search character, handling null. This method uses String.indexOf(int).
    
    A null or empty ("") String will return false.
```
 StringUtils.contains(null, *)    = false
 StringUtils.contains("", *)      = false
 StringUtils.contains("abc", 'a') = true
 StringUtils.contains("abc", 'z') = false
 
```
    Parameters:
    
    str - the String to check, may be null
    
    searchChar - the character to find
    
    Returns:
    
    true if the String contains the search character, false if not or null string input
    
    Since:
    
    2.0
  - contains
```
public static boolean contains(String str,
                               String searchStr)
```
    Checks if String contains a search String, handling null. This method uses String.indexOf(int).
    
    A null String will return false.
```
 StringUtils.contains(null, *)     = false
 StringUtils.contains(*, null)     = false
 StringUtils.contains("", "")      = true
 StringUtils.contains("abc", "")   = true
 StringUtils.contains("abc", "a")  = true
 StringUtils.contains("abc", "z")  = false
 
```
    Parameters:
    
    str - the String to check, may be null
    
    searchStr - the String to find, may be null
    
    Returns:
    
    true if the String contains the search String, false if not or null string input
    
    Since:
    
    2.0
  - equals
```
public static boolean equals(Object object1,
                             Object object2)
```
    Compares two objects for equality, where either one or both objects may be null.
```
 ObjectUtils.equals(null, null)                  = true
 ObjectUtils.equals(null, "")                    = false
 ObjectUtils.equals("", null)                    = false
 ObjectUtils.equals("", "")                      = true
 ObjectUtils.equals(Boolean.TRUE, null)          = false
 ObjectUtils.equals(Boolean.TRUE, "true")        = false
 ObjectUtils.equals(Boolean.TRUE, Boolean.TRUE)  = true
 ObjectUtils.equals(Boolean.TRUE, Boolean.FALSE) = false
 
```
    Parameters:
    
    object1 - the first object, may be null
    
    object2 - the second object, may be null
    
    Returns:
    
    true if the values of both objects are the same
  - getFullStackTrace
```
public static String getFullStackTrace(Throwable throwable)
```
    A way to get the entire nested stack-trace of an throwable.
    
    Parameters:
    
    throwable - the Throwable to be examined
    
    Returns:
    
    the nested stack trace, with the root cause first
    
    Since:
    
    2.0
  - getThrowables
```
public static Throwable[] getThrowables(Throwable throwable)
```
    Returns the list of Throwable objects in the exception chain.
    
    A throwable without cause will return an array containing one element - the input throwable. A throwable with one cause will return an array containing two elements. - the input throwable and the cause throwable. A null throwable will return an array size zero.
    
    Parameters:
    
    throwable - the throwable to inspect, may be null
    
    Returns:
    
    the array of throwables, never null
  - isNestedThrowable
```
public static boolean isNestedThrowable(Throwable throwable)
```
    Checks whether this Throwable class can store a cause.
    
    This method does not check whether it actually does store a cause.
    
    Parameters:
    
    throwable - the Throwable to examine, may be null
    
    Returns:
    
    boolean true if nested otherwise false
    
    Since:
    
    2.0
  - isThrowableNested
```
public static boolean isThrowableNested()
```
    Checks if the Throwable class has a getCause method.
    
    This is true for JDK 1.4 and above.
    
    Returns:
    
    true if Throwable is nestable
    
    Since:
    
    2.0
  - getCause
```
public static Throwable getCause(Throwable throwable)
```
    Introspects the Throwable to obtain the cause.
    
    The method searches for methods with specific names that return a Throwable object. This will pick up most wrapping exceptions, including those from JDK 1.4, and
    
    The default list searched for are:
    - getCause()
    - getNextException()
    - getTargetException()
    - getException()
    - getSourceException()
    - getRootCause()
    - getCausedByException()
    - getNested()
    In the absence of any such method, the object is inspected for a detail field assignable to a Throwable.
    
    If none of the above is found, returns null.
    Parameters:
    
    throwable - the throwable to introspect for a cause, may be null
    
    Returns:
    
    the cause of the Throwable, null if none found or null throwable input
    
    Since:
    
    1.0
  - getCause
```
public static Throwable getCause(Throwable throwable,
                                 String[] methodNames)
```
    Introspects the Throwable to obtain the cause.
    1. Try known exception types.
    2. Try the supplied array of method names.
    3. Try the field 'detail'.
    A null set of method names means use the default set. A null in the set of method names will be ignored.
    Parameters:
    
    throwable - the throwable to introspect for a cause, may be null
    
    methodNames - the method names, null treated as default set
    
    Returns:
    
    the cause of the Throwable, null if none found or null throwable input
    
    Since:
    
    1.0
  - argKey
```
public static String argKey(String option)
```
    from a command line arg, get the key. e.g. if input is --whatever=something then key is whatever, value is something
    
    Parameters:
    
    option -
    
    Returns:
    
    the key
  - argValue
```
public static String argValue(String option)
```
    from a command line arg, get the key. e.g. if input is --whatever=something then key is whatever, value is something
    
    Parameters:
    
    option -
    
    Returns:
    
    the value
  - argMap
```
public static Map<String,String> argMap(String[] args)
```
    add an option: --whatever=val to a map of options where --whatever is key, and val is value
    
    Parameters:
    
    args -
    
    Returns:
    
    the map
  - argMapString
```
public static String argMapString(Map<String,String> argMap,
                                  Map<String,String> argMapNotUsed,
                                  String key,
                                  boolean required)
```
    get the value from the argMap, throw exception if not there and required
    
    Parameters:
    
    argMap -
    
    argMapNotUsed -
    
    key -
    
    required -
    
    Returns:
    
    the value or null or exception
  - argMapBoolean
```
public static boolean argMapBoolean(Map<String,String> argMap,
                                    Map<String,String> argMapNotUsed,
                                    String key,
                                    boolean required,
                                    boolean defaultValue)
```
    get the value from the argMap, throw exception if not there and required
    
    Parameters:
    
    argMap -
    
    argMapNotUsed -
    
    key -
    
    required -
    
    defaultValue -
    
    Returns:
    
    the value or null or exception
  - argMapTimestamp
```
public static Timestamp argMapTimestamp(Map<String,String> argMap,
                                        Map<String,String> argMapNotUsed,
                                        String key)
```
    get the value from the argMap, throw exception if not there and required
    
    Parameters:
    
    argMap -
    
    argMapNotUsed -
    
    key -
    
    Returns:
    
    the value or null or exception
  - argMapBoolean
```
public static Boolean argMapBoolean(Map<String,String> argMap,
                                    Map<String,String> argMapNotUsed,
                                    String key)
```
    get the value from the argMap
    
    Parameters:
    
    argMap -
    
    argMapNotUsed -
    
    key -
    
    Returns:
    
    the value or null or exception
  - argMapSet
```
public static Set<String> argMapSet(Map<String,String> argMap,
                                    Map<String,String> argMapNotUsed,
                                    String key,
                                    boolean required)
```
    get the set from comma separated from the argMap, throw exception if not there and required
    
    Parameters:
    
    argMap -
    
    argMapNotUsed -
    
    key -
    
    required -
    
    Returns:
    
    the value or null or exception
  - argMapList
```
public static List<String> argMapList(Map<String,String> argMap,
                                      Map<String,String> argMapNotUsed,
                                      String key,
                                      boolean required)
```
    get the list from comma separated from the argMap, throw exception if not there and required
    
    Parameters:
    
    argMap -
    
    argMapNotUsed -
    
    key -
    
    required -
    
    Returns:
    
    the value or null or exception
  - argMapFileList
```
public static List<String> argMapFileList(Map<String,String> argMap,
                                          Map<String,String> argMapNotUsed,
                                          String key,
                                          boolean required)
```
    get the list from comma separated from the argMap, throw exception if not there and required
    
    Parameters:
    
    argMap -
    
    argMapNotUsed -
    
    key -
    
    required -
    
    Returns:
    
    the value or null or exception
  - copy
```
public static void copy(InputStream input,
                        Writer output)
                 throws IOException
```
    Copy bytes from an InputStream to chars on a Writer using the default character encoding of the platform.
    This method buffers the input internally, so there is no need to use a BufferedInputStream.
    This method uses InputStreamReader.
    
    Parameters:
    
    input - the InputStream to read from
    
    output - the Writer to write to
    
    Throws:
    
    NullPointerException - if the input or output is null
    
    IOException - if an I/O error occurs
    
    Since:
    
    Commons IO 1.1
  - copy
```
public static int copy(InputStream input,
                       OutputStream output)
                throws IOException
```
    Copy bytes from an InputStream to an OutputStream.
    This method buffers the input internally, so there is no need to use a BufferedInputStream.
    Large streams (over 2GB) will return a bytes copied value of -1 after the copy has completed since the correct number of bytes cannot be returned as an int. For large streams use the copyLarge(InputStream, OutputStream) method.
    
    Parameters:
    
    input - the InputStream to read from
    
    output - the OutputStream to write to
    
    Returns:
    
    the number of bytes copied
    
    Throws:
    
    NullPointerException - if the input or output is null
    
    IOException - if an I/O error occurs
    
    ArithmeticException - if the byte count is too large
    
    Since:
    
    Commons IO 1.1
  - copyLarge
```
public static long copyLarge(InputStream input,
                             OutputStream output)
                      throws IOException
```
    Copy bytes from a large (over 2GB) InputStream to an OutputStream.
    This method buffers the input internally, so there is no need to use a BufferedInputStream.
    
    Parameters:
    
    input - the InputStream to read from
    
    output - the OutputStream to write to
    
    Returns:
    
    the number of bytes copied
    
    Throws:
    
    NullPointerException - if the input or output is null
    
    IOException - if an I/O error occurs
    
    Since:
    
    Commons IO 1.3
  - jarFile
```
public static File jarFile(Class sampleClass)
```
    get a jar file from a sample class
    
    Parameters:
    
    sampleClass -
    
    Returns:
    
    the jar file
  - stripLastSlashIfExists
```
public static String stripLastSlashIfExists(String input)
```
    strip the last slash (/ or \) from a string if it exists
    
    Parameters:
    
    input -
    
    Returns:
    
    input - the last / or \
  - retrievePasswordFromStdin
```
public static String retrievePasswordFromStdin(boolean dontMask,
                                               String prompt)
```
    retrieve a password from stdin
    
    Parameters:
    
    dontMask -
    
    prompt - to print to user
    
    Returns:
    
    the password
  - retrievePasswordFromStdin
```
public static final char[] retrievePasswordFromStdin(InputStream in,
                                                     String prompt)
                                              throws IOException
```
    Parameters:
    
    in - stream to be used (e.g. System.in)
    
    prompt - The prompt to display to the user.
    
    Returns:
    
    The password as entered by the user.
    
    Throws:
    
    IOException
  - propertyValidateValueRequired
```
public static boolean propertyValidateValueRequired(String resourceName,
                                                    Properties properties,
                                                    Map<String,String> overrideMap,
                                                    String key,
                                                    boolean exceptionOnError)
```
    make sure a value exists in properties
    
    Parameters:
    
    resourceName -
    
    properties -
    
    overrideMap -
    
    key -
    
    exceptionOnError -
    
    Returns:
    
    true if ok, false if not
  - propertyValidateValueBoolean
```
public static boolean propertyValidateValueBoolean(String resourceName,
                                                   Properties properties,
                                                   Map<String,String> overrideMap,
                                                   String key,
                                                   boolean required,
                                                   boolean exceptionOnError)
```
    make sure a value is boolean in properties
    
    Parameters:
    
    resourceName -
    
    properties -
    
    overrideMap -
    
    key -
    
    required -
    
    exceptionOnError -
    
    Returns:
    
    true if ok, false if not
  - propertyValidateValueInt
```
public static boolean propertyValidateValueInt(String resourceName,
                                               Properties properties,
                                               Map<String,String> overrideMap,
                                               String key,
                                               boolean required,
                                               boolean exceptionOnError)
```
    make sure a value is int in properties
    
    Parameters:
    
    resourceName -
    
    properties -
    
    overrideMap -
    
    key -
    
    required -
    
    exceptionOnError -
    
    Returns:
    
    true if ok, false if not
  - propertyValidateValueClass
```
public static boolean propertyValidateValueClass(String resourceName,
                                                 Properties properties,
                                                 Map<String,String> overrideMap,
                                                 String key,
                                                 Class<?> classType,
                                                 boolean required,
                                                 boolean exceptionOnError)
```
    make sure a property is a class of a certain type
    
    Parameters:
    
    resourceName -
    
    properties -
    
    overrideMap -
    
    key -
    
    classType -
    
    required -
    
    exceptionOnError -
    
    Returns:
    
    true if ok
  - stripStart
```
public static String stripStart(String str,
                                String stripChars)
```
    Strips any of a set of characters from the start of a String.
    
    A null input String returns null. An empty string ("") input returns the empty string.
    
    If the stripChars String is null, whitespace is stripped as defined by Character.isWhitespace(char).
```
 StringUtils.stripStart(null, *)          = null
 StringUtils.stripStart("", *)            = ""
 StringUtils.stripStart("abc", "")        = "abc"
 StringUtils.stripStart("abc", null)      = "abc"
 StringUtils.stripStart("  abc", null)    = "abc"
 StringUtils.stripStart("abc  ", null)    = "abc  "
 StringUtils.stripStart(" abc ", null)    = "abc "
 StringUtils.stripStart("yxabc  ", "xyz") = "abc  "
 
```
    Parameters:
    
    str - the String to remove characters from, may be null
    
    stripChars - the characters to remove, null treated as whitespace
    
    Returns:
    
    the stripped String, null if null String input
  - stripEnd
```
public static String stripEnd(String str,
                              String stripChars)
```
    Strips any of a set of characters from the end of a String.
    
    A null input String returns null. An empty string ("") input returns the empty string.
    
    If the stripChars String is null, whitespace is stripped as defined by Character.isWhitespace(char).
```
 StringUtils.stripEnd(null, *)          = null
 StringUtils.stripEnd("", *)            = ""
 StringUtils.stripEnd("abc", "")        = "abc"
 StringUtils.stripEnd("abc", null)      = "abc"
 StringUtils.stripEnd("  abc", null)    = "  abc"
 StringUtils.stripEnd("abc  ", null)    = "abc"
 StringUtils.stripEnd(" abc ", null)    = " abc"
 StringUtils.stripEnd("  abcyx", "xyz") = "  abc"
 
```
    Parameters:
    
    str - the String to remove characters from, may be null
    
    stripChars - the characters to remove, null treated as whitespace
    
    Returns:
    
    the stripped String, null if null String input
  - repeat
```
public static String repeat(String str,
                            int repeat)
```
    Repeat a String repeat times to form a new String.
```
 StringUtils.repeat(null, 2) = null
 StringUtils.repeat("", 0)   = ""
 StringUtils.repeat("", 2)   = ""
 StringUtils.repeat("a", 3)  = "aaa"
 StringUtils.repeat("ab", 2) = "abab"
 StringUtils.repeat("a", -2) = ""
 
```
    Parameters:
    
    str - the String to repeat, may be null
    
    repeat - number of times to repeat str, negative treated as zero
    
    Returns:
    
    a new String consisting of the original String repeated, null if null String input
  - rightPad
```
public static String rightPad(String str,
                              int size)
```
    Right pad a String with spaces (' ').
    
    The String is padded to the size of size.
```
 StringUtils.rightPad(null, *)   = null
 StringUtils.rightPad("", 3)     = "   "
 StringUtils.rightPad("bat", 3)  = "bat"
 StringUtils.rightPad("bat", 5)  = "bat  "
 StringUtils.rightPad("bat", 1)  = "bat"
 StringUtils.rightPad("bat", -1) = "bat"
 
```
    Parameters:
    
    str - the String to pad out, may be null
    
    size - the size to pad to
    
    Returns:
    
    right padded String or original String if no padding is necessary, null if null String input
  - rightPad
```
public static String rightPad(String str,
                              int size,
                              char padChar)
```
    Right pad a String with a specified character.
    
    The String is padded to the size of size.
```
 StringUtils.rightPad(null, *, *)     = null
 StringUtils.rightPad("", 3, 'z')     = "zzz"
 StringUtils.rightPad("bat", 3, 'z')  = "bat"
 StringUtils.rightPad("bat", 5, 'z')  = "batzz"
 StringUtils.rightPad("bat", 1, 'z')  = "bat"
 StringUtils.rightPad("bat", -1, 'z') = "bat"
 
```
    Parameters:
    
    str - the String to pad out, may be null
    
    size - the size to pad to
    
    padChar - the character to pad with
    
    Returns:
    
    right padded String or original String if no padding is necessary, null if null String input
    
    Since:
    
    2.0
  - rightPad
```
public static String rightPad(String str,
                              int size,
                              String padStr)
```
    Right pad a String with a specified String.
    
    The String is padded to the size of size.
```
 StringUtils.rightPad(null, *, *)      = null
 StringUtils.rightPad("", 3, "z")      = "zzz"
 StringUtils.rightPad("bat", 3, "yz")  = "bat"
 StringUtils.rightPad("bat", 5, "yz")  = "batyz"
 StringUtils.rightPad("bat", 8, "yz")  = "batyzyzy"
 StringUtils.rightPad("bat", 1, "yz")  = "bat"
 StringUtils.rightPad("bat", -1, "yz") = "bat"
 StringUtils.rightPad("bat", 5, null)  = "bat  "
 StringUtils.rightPad("bat", 5, "")    = "bat  "
 
```
    Parameters:
    
    str - the String to pad out, may be null
    
    size - the size to pad to
    
    padStr - the String to pad with, null or empty treated as single space
    
    Returns:
    
    right padded String or original String if no padding is necessary, null if null String input
  - leftPad
```
public static String leftPad(String str,
                             int size)
```
    Left pad a String with spaces (' ').
    
    The String is padded to the size of size.
    StringUtils.leftPad(null, *) = null StringUtils.leftPad("", 3) = " " StringUtils.leftPad("bat", 3) = "bat" StringUtils.leftPad("bat", 5) = " bat" StringUtils.leftPad("bat", 1) = "bat" StringUtils.leftPad("bat", -1) = "bat"
    Parameters: str - the String to pad out, may be null size - the size to pad to Returns: left padded String or original String if no padding is necessary, null if null String input
  leftPad public static String leftPad(String str, int size, char padChar) Left pad a String with a specified character. Pad to a size of size. StringUtils.leftPad(null, *, *) = null StringUtils.leftPad("", 3, 'z') = "zzz" StringUtils.leftPad("bat", 3, 'z') = "bat" StringUtils.leftPad("bat", 5, 'z') = "zzbat" StringUtils.leftPad("bat", 1, 'z') = "bat" StringUtils.leftPad("bat", -1, 'z') = "bat" Parameters: str - the String to pad out, may be null size - the size to pad to padChar - the character to pad with Returns: left padded String or original String if no padding is necessary, null if null String input Since: 2.0 leftPad public static String leftPad(String str, int size, String padStr) Left pad a String with a specified String. Pad to a size of size. StringUtils.leftPad(null, *, *) = null StringUtils.leftPad("", 3, "z") = "zzz" StringUtils.leftPad("bat", 3, "yz") = "bat" StringUtils.leftPad("bat", 5, "yz") = "yzbat" StringUtils.leftPad("bat", 8, "yz") = "yzyzybat" StringUtils.leftPad("bat", 1, "yz") = "bat" StringUtils.leftPad("bat", -1, "yz") = "bat" StringUtils.leftPad("bat", 5, null) = " bat" StringUtils.leftPad("bat", 5, "") = " bat" Parameters: str - the String to pad out, may be null size - the size to pad to padStr - the String to pad with, null or empty treated as single space Returns: left padded String or original String if no padding is necessary, null if null String input convertToRuntimeException public static void convertToRuntimeException(Exception e) convert an exception to a runtime exception Parameters: e - substringBefore public static String substringBefore(String str, String separator) Gets the substring before the first occurrence of a separator. The separator is not returned. A null string input will return null. An empty ("") string input will return the empty string. A null separator will return the input string. StringUtils.substringBefore(null, *) = null StringUtils.substringBefore("", *) = "" StringUtils.substringBefore("abc", "a") = "" StringUtils.substringBefore("abcba", "b") = "a" StringUtils.substringBefore("abc", "c") = "ab" StringUtils.substringBefore("abc", "d") = "abc" StringUtils.substringBefore("abc", "") = "" StringUtils.substringBefore("abc", null) = "abc" Parameters: str - the String to get a substring from, may be null separator - the String to search for, may be null Returns: the substring before the first occurrence of the separator, null if null String input Since: 2.0 substringAfter public static String substringAfter(String str, String separator) Gets the substring after the first occurrence of a separator. The separator is not returned. A null string input will return null. An empty ("") string input will return the empty string. A null separator will return the empty string if the input string is not null. StringUtils.substringAfter(null, *) = null StringUtils.substringAfter("", *) = "" StringUtils.substringAfter(*, null) = "" StringUtils.substringAfter("abc", "a") = "bc" StringUtils.substringAfter("abcba", "b") = "cba" StringUtils.substringAfter("abc", "c") = "" StringUtils.substringAfter("abc", "d") = "" StringUtils.substringAfter("abc", "") = "abc" Parameters: str - the String to get a substring from, may be null separator - the String to search for, may be null Returns: the substring after the first occurrence of the separator, null if null String input Since: 2.0 substringBeforeLast public static String substringBeforeLast(String str, String separator) Gets the substring before the last occurrence of a separator. The separator is not returned. A null string input will return null. An empty ("") string input will return the empty string. An empty or null separator will return the input string. StringUtils.substringBeforeLast(null, *) = null StringUtils.substringBeforeLast("", *) = "" StringUtils.substringBeforeLast("abcba", "b") = "abc" StringUtils.substringBeforeLast("abc", "c") = "ab" StringUtils.substringBeforeLast("a", "a") = "" StringUtils.substringBeforeLast("a", "z") = "a" StringUtils.substringBeforeLast("a", null) = "a" StringUtils.substringBeforeLast("a", "") = "a" Parameters: str - the String to get a substring from, may be null separator - the String to search for, may be null Returns: the substring before the last occurrence of the separator, null if null String input Since: 2.0 substringAfterLast public static String substringAfterLast(String str, String separator) Gets the substring after the last occurrence of a separator. The separator is not returned. A null string input will return null. An empty ("") string input will return the empty string. An empty or null separator will return the empty string if the input string is not null. StringUtils.substringAfterLast(null, *) = null StringUtils.substringAfterLast("", *) = "" StringUtils.substringAfterLast(*, "") = "" StringUtils.substringAfterLast(*, null) = "" StringUtils.substringAfterLast("abc", "a") = "bc" StringUtils.substringAfterLast("abcba", "b") = "a" StringUtils.substringAfterLast("abc", "c") = "" StringUtils.substringAfterLast("a", "a") = "" StringUtils.substringAfterLast("a", "z") = "" Parameters: str - the String to get a substring from, may be null separator - the String to search for, may be null Returns: the substring after the last occurrence of the separator, null if null String input Since: 2.0 argMapInteger public static Integer argMapInteger(Map<String,String> argMap, Map<String,String> argMapNotUsed, String key, boolean required, Integer defaultValue) get the value from the argMap, throw exception if not there and required Parameters: argMap - argMapNotUsed - key - required - defaultValue - Returns: the value or null or exception toSqlDate public static Date toSqlDate(Date date) null safe convert from util date to sql date Parameters: date - Returns: the sql date indexOf public static int indexOf(Object[] array, Object objectToFind) Find the index of the given object in the array. This method returns -1 if null array input. Parameters: array - the array to search through for the object, may be null objectToFind - the object to find, may be null Returns: the index of the object within the array, -1 if not found or null array input contains public static boolean contains(Object[] array, Object objectToFind) Checks if the object is in the given array. The method returns false if a null array is passed in. Parameters: array - the array to search through objectToFind - the object to find Returns: true if the array contains the object indexOf public static int indexOf(Object[] array, Object objectToFind, int startIndex) Find the index of the given object in the array starting at the given index. This method returns -1 if null array input. A negative startIndex is treated as zero. A startIndex larger than the array length will return -1. Parameters: array - the array to search through for the object, may be null objectToFind - the object to find, may be null startIndex - the index to start searching at Returns: the index of the object within the array starting at the index, -1 if not found or null array input dateToString public static String dateToString(Date date) convert a date to a string using the standard web service pattern yyyy/MM/dd HH:mm:ss.SSS Note that HH is 0-23 Parameters: date - Returns: the string, or null if the date is null stringToDate public static Date stringToDate(String dateString) convert a string to a date using the standard web service pattern Note that HH is 0-23 Parameters: dateString - Returns: the string, or null if the date was null stringToDate2 public static Date stringToDate2(String input) take as input: yyyy/mm/dd yyyy-mm-dd dd-mon-yyyy yyyy/mm/dd hh:mm:ss dd-mon-yyyy hh:mm:ss yyyy/mm/dd hh:mm:ss.SSS dd-mon-yyyy hh:mm:ss.SSS Parameters: input - Returns: the date monthInt public static int monthInt(String mon) convert a month string to an int (1 indexed). e.g. if input is feb or Feb or february or February return 2 Parameters: mon - Returns: the month propertiesThreadLocalOverrideMap public static Map<String,String> propertiesThreadLocalOverrideMap(String propertiesFileName) override map for properties in thread local to be used in a web server or the like, based on property file name Parameters: propertiesFileName - Returns: the override map execCommand public static void execCommand(String command) This will execute a command, and split spaces for args (might not be what you want if you are using quotes) Parameters: command - execCommand public static ConfigPropertiesCascadeCommonUtils.CommandResult execCommand(String[] arguments) This will execute a command (with args). In this method, if the exit code of the command is not zero, an exception will be thrown. Example call: execCommand(new String[]{"/bin/bash", "-c", "cd /someFolder; runSomeScript.sh"}, true); Parameters: arguments - are the commands Returns: the output text of the command. retrieveExecutorService public static ExecutorService retrieveExecutorService() Returns: executor service execCommand public static ConfigPropertiesCascadeCommonUtils.CommandResult execCommand(String[] arguments, boolean exceptionOnExitValueNeZero) This will execute a command (with args). Under normal operation, if the exit code of the command is not zero, an exception will be thrown. If the parameter exceptionOnExitValueNeZero is set to true, the results of the call will be returned regardless of the exit status. Example call: execCommand(new String[]{"/bin/bash", "-c", "cd /someFolder; runSomeScript.sh"}, true); Parameters: arguments - are the commands exceptionOnExitValueNeZero - if this is set to false, the results of the call will be returned regardless of the exit status Returns: the output text of the command, and the error and return code if exceptionOnExitValueNeZero is false. serializeObjectToFile public static void serializeObjectToFile(Serializable object, File file) serialize an object to a file (create parent dir if necessary) Parameters: object - file - unserializeObjectFromFile public static Serializable unserializeObjectFromFile(File file, boolean nullIfException, boolean deleteFileOnException) unserialize an object from a file if it exists Parameters: file - nullIfException - true if null should be returned instead of exception deleteFileOnException - true if file should be deleted on exception Returns: the object or null deleteCreateFile public static void deleteCreateFile(File file) delete and create a new file. If its a directory, delete, and create a new dir. Parameters: file - is the file to delete and create deleteFile public static void deleteFile(File file) Delete a file, throw exception if cannot Parameters: file - copy public static void copy(File fromFile, File toFile) copy a file to a new file Parameters: fromFile - toFile - renameTo public static void renameTo(File fromFile, File toFile) rename a file to another file and throw runtime exception if not ok Parameters: fromFile - toFile - deleteRecursiveDirectory public static void deleteRecursiveDirectory(String dirName) clear out all files recursively in a directory, including the directory itself Parameters: dirName - Throws: RuntimeException - when something goes wrong absolutePath public static String absolutePath(File file) absolute path null safe Parameters: file - Returns: absolute path null safe fileOrClasspathInputstream public static InputStream fileOrClasspathInputstream(String typeAndLocation, String logHint) file or classpath location Parameters: typeAndLocation - Returns: the inputstream

Class ConfigPropertiesCascadeCommonUtils

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

LOG_ERROR

ONE_KB

ONE_MB

ONE_GB

DATE_FORMAT

DATE_MINUTES_SECONDS_FORMAT

DATE_MINUTES_SECONDS_NO_SLASH_FORMAT

TIMESTAMP_FORMAT

TIMESTAMP_NO_SLASH_FORMAT

NOT_FOUND

DEFAULT_BUFFER_SIZE

EMPTY_STRING_ARRAY

EMPTY_OBJECT_ARRAY

EMPTY

INDEX_NOT_FOUND

Constructor Detail

ConfigPropertiesCascadeCommonUtils

Method Detail

argAfter

append

byteCountToDisplaySize

hasOption

fileCanonicalPath

suffixAfterChar

oracleStandardNameFromJava

mapEquals

mapDifferences

sleep

injectInException

uniqueId

fileFromResourceName

computeUrl

classLoader

nonNull

prefixOrSuffix

extensionFromName

forName

newInstance

newInstance

parentStemNameFromName

defaultIfBlank

defaultIfNull

addIfNotThere

setToString

MapToString

mapToString

toStringForLog

toStringForLog

batchNumberOfBatches

batchNumberOfBatches

batchList

splitTrim

splitTrimToList

splitTrim

escapeUrlEncode

escapeUrlDecode

nonNull

nonNull

nonNull

toList

toListClasses

toSet

assertion

assignField

assignField

assignField

iterator

length

next

remove

remove

classesString

classNameCollection