jd.xml.xpath.axis
Class NodeTestWalker

java.lang.Object
  extended byjd.xml.xpath.axis.NodeTestWalker
All Implemented Interfaces:
ModelWalker

public class NodeTestWalker
extends Object
implements ModelWalker

A walker which filters the nodes of another walker with a node-test.


Constructor Summary
NodeTestWalker(NodeTest nodeTest, int principalType, ModelWalker walker)
           
 
Method Summary
 XPathNode gotoFirstNode(XPathNode startNode)
          Return the first node of the path defined by the startNode
 XPathNode gotoNextNode(XPathNode node)
          Return the next node of the path.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

NodeTestWalker

public NodeTestWalker(NodeTest nodeTest,
                      int principalType,
                      ModelWalker walker)
Method Detail

gotoFirstNode

public XPathNode gotoFirstNode(XPathNode startNode)
Description copied from interface: ModelWalker
Return the first node of the path defined by the startNode

Specified by:
gotoFirstNode in interface ModelWalker
Returns:
the first node of the path represented by this ModelWalker.- If null the path is empty.

gotoNextNode

public XPathNode gotoNextNode(XPathNode node)
Description copied from interface: ModelWalker
Return the next node of the path.

Specified by:
gotoNextNode in interface ModelWalker
Parameters:
node - a XPathNode obtained from the last call to gotoFirstNode or gotoNextNode. If the node is another node the behaviour is not determined.
Returns:
the next node of the path represented by this ModelWalker.- If null then the path ended.