org.apache.batik.dom.traversal
Class DOMTreeWalker

java.lang.Object
  org.apache.batik.dom.traversal.DOMTreeWalker

All Implemented Interfaces:

org.w3c.dom.traversal.TreeWalker

public class DOMTreeWalker
extends Object
implements org.w3c.dom.traversal.TreeWalker

This class implements the NodeIterator interface.

Version:

$Id: DOMTreeWalker.java 1733416 2016-03-03 07:07:13Z gadams $

Author:

Stephane Hillion

Field Summary

protected Node	currentNode The current node.
protected boolean	expandEntityReferences Whether the children of entity reference nodes are visible to the iterator.
protected org.w3c.dom.traversal.NodeFilter	filter The NodeFilter used to screen nodes.
protected Node	root The root node.
protected int	whatToShow Which node types are presented via the iterator.

Constructor Summary

DOMTreeWalker(Node n, int what, org.w3c.dom.traversal.NodeFilter nf, boolean exp)
Creates a new TreeWalker object.

Method Summary

protected short	acceptNode(Node n) Whether or not the given node is accepted by this tree walker.
Node	firstChild() DOM: Implements TreeWalker.firstChild().
protected Node	firstChild(Node n) Returns the first child of the given node.
Node	getCurrentNode() DOM: Implements TreeWalker.getCurrentNode().
boolean	getExpandEntityReferences() DOM: Implements TreeWalker.getExpandEntityReferences().
org.w3c.dom.traversal.NodeFilter	getFilter() DOM: Implements TreeWalker.getFilter().
Node	getRoot() DOM: Implements TreeWalker.getRoot().
int	getWhatToShow() DOM: Implements TreeWalker.getWhatToShow().
Node	lastChild() DOM: Implements TreeWalker.lastChild().
protected Node	lastChild(Node n) Returns the last child of the given node.
Node	nextNode() DOM: Implements TreeWalker.nextNode().
Node	nextSibling() DOM: Implements TreeWalker.nextSibling().
protected Node	nextSibling(Node n, Node root) Returns the next sibling of the given node.
Node	parentNode() DOM: Implements TreeWalker.parentNode().
protected Node	parentNode(Node n) Returns the parent node of the given node.
Node	previousNode() DOM: Implements TreeWalker.previousNode().
Node	previousSibling() DOM: Implements TreeWalker.previousSibling().
protected Node	previousSibling(Node n, Node root) Returns the previous sibling of the given node.
void	setCurrentNode(Node n) DOM: Implements TreeWalker.setCurrentNode(Node).

Methods inherited from class java.lang.Object

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

Field Detail

root

protected Node root

The root node.

whatToShow

protected int whatToShow

Which node types are presented via the iterator.

filter

protected org.w3c.dom.traversal.NodeFilter filter

The NodeFilter used to screen nodes.

expandEntityReferences

protected boolean expandEntityReferences

Whether the children of entity reference nodes are visible to the iterator.

currentNode

protected Node currentNode

The current node.

Constructor Detail

DOMTreeWalker

public DOMTreeWalker(Node n,
                     int what,
                     org.w3c.dom.traversal.NodeFilter nf,
                     boolean exp)

Creates a new TreeWalker object.

Parameters:

n - The root node.

what - Which node types are presented via the iterator.

nf - The NodeFilter used to screen nodes.

exp - Whether the children of entity reference nodes are visible to the tree walker.

Method Detail

getRoot

public Node getRoot()

DOM: Implements TreeWalker.getRoot().

Specified by:

getRoot in interface org.w3c.dom.traversal.TreeWalker

getWhatToShow

public int getWhatToShow()

DOM: Implements TreeWalker.getWhatToShow().

Specified by:

getWhatToShow in interface org.w3c.dom.traversal.TreeWalker

getFilter

public org.w3c.dom.traversal.NodeFilter getFilter()

DOM: Implements TreeWalker.getFilter().

Specified by:

getFilter in interface org.w3c.dom.traversal.TreeWalker

getExpandEntityReferences

public boolean getExpandEntityReferences()

DOM: Implements TreeWalker.getExpandEntityReferences().

Specified by:

getExpandEntityReferences in interface org.w3c.dom.traversal.TreeWalker

getCurrentNode

public Node getCurrentNode()

DOM: Implements TreeWalker.getCurrentNode().

Specified by:

getCurrentNode in interface org.w3c.dom.traversal.TreeWalker

setCurrentNode

public void setCurrentNode(Node n)

DOM: Implements TreeWalker.setCurrentNode(Node).

Specified by:

setCurrentNode in interface org.w3c.dom.traversal.TreeWalker

parentNode

public Node parentNode()

DOM: Implements TreeWalker.parentNode().

Specified by:

parentNode in interface org.w3c.dom.traversal.TreeWalker

firstChild

public Node firstChild()

DOM: Implements TreeWalker.firstChild().

Specified by:

firstChild in interface org.w3c.dom.traversal.TreeWalker

lastChild

public Node lastChild()

DOM: Implements TreeWalker.lastChild().

Specified by:

lastChild in interface org.w3c.dom.traversal.TreeWalker

previousSibling

public Node previousSibling()

DOM: Implements TreeWalker.previousSibling().

Specified by:

previousSibling in interface org.w3c.dom.traversal.TreeWalker

nextSibling

public Node nextSibling()

DOM: Implements TreeWalker.nextSibling().

Specified by:

nextSibling in interface org.w3c.dom.traversal.TreeWalker

previousNode

public Node previousNode()

DOM: Implements TreeWalker.previousNode().

Specified by:

previousNode in interface org.w3c.dom.traversal.TreeWalker

nextNode

public Node nextNode()

DOM: Implements TreeWalker.nextNode().

Specified by:

nextNode in interface org.w3c.dom.traversal.TreeWalker

parentNode

protected Node parentNode(Node n)

Returns the parent node of the given node.

firstChild

protected Node firstChild(Node n)

Returns the first child of the given node.

lastChild

protected Node lastChild(Node n)

Returns the last child of the given node.

previousSibling

protected Node previousSibling(Node n,
                               Node root)

Returns the previous sibling of the given node.

nextSibling

protected Node nextSibling(Node n,
                           Node root)

Returns the next sibling of the given node.

acceptNode

protected short acceptNode(Node n)

Whether or not the given node is accepted by this tree walker.