public class PathTracker extends Object
Path
as a stream is moved through.
Can be linked to a HierarchicalStreamWriter or HierarchicalStreamReader by wrapping them with a PathTrackingWriter or PathTrackingReader.
PathTracker tracker = new PathTracker(); tracker.pushElement("table"); tracker.pushElement("tr"); tracker.pushElement("td"); tracker.pushElement("form"); tracker.popElement("form"); tracker.popElement("td"); tracker.pushElement("td"); tracker.pushElement("div"); Path path = tracker.getPath(); // returns "/table/tr/td[2]/div"
Path
,
PathTrackingReader
,
PathTrackingWriter
Constructor and Description |
---|
PathTracker() |
PathTracker(int initialCapacity) |
Modifier and Type | Method and Description |
---|---|
String |
getCurrentPath()
Deprecated.
Use
getPath() instead. |
Path |
getPath()
Current Path in stream.
|
void |
popElement()
Notify the tracker that the stream has moved out of an element.
|
void |
pushElement(String name)
Notify the tracker that the stream has moved into a new element.
|
public PathTracker()
public PathTracker(int initialCapacity)
initialCapacity
- Size of the initial stack of nodes (one level per depth in the tree). Note that this is
only for optimizations - the stack will resize itself if it exceeds its capacity. If in doubt,
use the other constructor.public void pushElement(String name)
name
- Name of the elementpublic void popElement()
public Path getPath()
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