org.apache.xerces.dom
Class TreeWalkerImpl

java.lang.Object
  |
  +--org.apache.xerces.dom.TreeWalkerImpl

public class TreeWalkerImpl

extends java.lang.Object

implements TreeWalker

This class implements the TreeWalker interface.

Constructor Summary

TreeWalkerImpl(Node root, int whatToShow, NodeFilter nodeFilter, boolean entityReferenceExpansion)
Public constructor

Method Summary

Node	firstChild() Return the first child Node from the current node, after applying filter, whatToshow.
Node	getCurrentNode() Return the current Node.
boolean	getExpandEntityReferences() Return whether children entity references are included in the iterator.
NodeFilter	getFilter() Return the NodeFilter
Node	getRoot() The root node of the TreeWalker, as specified when it was created.
int	getWhatToShow() Return the whatToShow value
Node	lastChild() Return the last child Node from the current node, after applying filter, whatToshow.
Node	nextNode() Return the next Node from the current node, after applying filter, whatToshow.
Node	nextSibling() Return the next sibling Node from the current node, after applying filter, whatToshow.
Node	parentNode() Return the parent Node from the current node, after applying filter, whatToshow.
Node	previousNode() Return the previous Node from the current node, after applying filter, whatToshow.
Node	previousSibling() Return the previous sibling Node from the current node, after applying filter, whatToshow.
void	setCurrentNode(Node node) Return the current Node.
void	setWhatShow(int whatToShow)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TreeWalkerImpl

public TreeWalkerImpl(Node root,
                      int whatToShow,
                      NodeFilter nodeFilter,
                      boolean entityReferenceExpansion)

Public constructor

Method Detail

getRoot

public Node getRoot()

Description copied from interface: TreeWalker

The root node of the TreeWalker, as specified when it was created.

Specified by:

getRoot in interface TreeWalker

getWhatToShow

public int getWhatToShow()

Return the whatToShow value

Specified by:

getWhatToShow in interface TreeWalker

setWhatShow

public void setWhatShow(int whatToShow)

getFilter

public NodeFilter getFilter()

Return the NodeFilter

Specified by:

getFilter in interface TreeWalker

getExpandEntityReferences

public boolean getExpandEntityReferences()

Return whether children entity references are included in the iterator.

Specified by:

getExpandEntityReferences in interface TreeWalker

getCurrentNode

public Node getCurrentNode()

Return the current Node.

Specified by:

getCurrentNode in interface TreeWalker

Tags copied from interface: TreeWalker

Throws:

DOMException - NOT_SUPPORTED_ERR: Raised if an attempt is made to set currentNode to null.

setCurrentNode

public void setCurrentNode(Node node)

Return the current Node.

Specified by:

setCurrentNode in interface TreeWalker

parentNode

public Node parentNode()

Return the parent Node from the current node, after applying filter, whatToshow. If result is not null, set the current Node.

Specified by:

parentNode in interface TreeWalker

Tags copied from interface: TreeWalker

Returns:

The new parent node, or null if the current node has no parent in the TreeWalker's logical view.

firstChild

public Node firstChild()

Return the first child Node from the current node, after applying filter, whatToshow. If result is not null, set the current Node.

Specified by:

firstChild in interface TreeWalker

Tags copied from interface: TreeWalker

Returns:

The new node, or null if the current node has no visible children in the TreeWalker's logical view.

lastChild

public Node lastChild()

Return the last child Node from the current node, after applying filter, whatToshow. If result is not null, set the current Node.

Specified by:

lastChild in interface TreeWalker

Tags copied from interface: TreeWalker

Returns:

The new node, or null if the current node has no children in the TreeWalker's logical view.

previousSibling

public Node previousSibling()

Return the previous sibling Node from the current node, after applying filter, whatToshow. If result is not null, set the current Node.

Specified by:

previousSibling in interface TreeWalker

Tags copied from interface: TreeWalker

Returns:

The new node, or null if the current node has no previous sibling. in the TreeWalker's logical view.

nextSibling

public Node nextSibling()

Return the next sibling Node from the current node, after applying filter, whatToshow. If result is not null, set the current Node.

Specified by:

nextSibling in interface TreeWalker

Tags copied from interface: TreeWalker

Returns:

The new node, or null if the current node has no next sibling. in the TreeWalker's logical view.

previousNode

public Node previousNode()

Return the previous Node from the current node, after applying filter, whatToshow. If result is not null, set the current Node.

Specified by:

previousNode in interface TreeWalker

Tags copied from interface: TreeWalker

Returns:

The new node, or null if the current node has no previous node in the TreeWalker's logical view.

nextNode

public Node nextNode()

Return the next Node from the current node, after applying filter, whatToshow. If result is not null, set the current Node.

Specified by:

nextNode in interface TreeWalker

Tags copied from interface: TreeWalker

Returns:

The new node, or null if the current node has no next node in the TreeWalker's logical view.