org.planx.xpath
Class XMLStoreNavigator

java.lang.Object
  org.planx.xpath.XMLStoreNavigator

All Implemented Interfaces:

Navigator

public class XMLStoreNavigator
extends Object
implements Navigator

This navigator implements a bridge between XPath and XML Store.

Author:

Thomas Ambus

Field Summary

Fields inherited from interface org.planx.xpath.Navigator

ATTRIBUTE, COMMENT, ELEMENT, NAMESPACE, PROCESSING_INSTRUCTION, ROOT, TEXT

Constructor Summary

XMLStoreNavigator()
Construct an XMLStoreNavigator.

Method Summary

int	attributeCount(Object node) Return the number of attributes of the specified node.
int	childCount(Object node) Return the number of children of the specified node.
Object	getAttribute(Object node, int index) Return the attribute of the specified node with the specified attribute index.
Object	getChild(Object node, int index) Return the child of the specified node with the specified child index.
String	getName(Object node) Return the name of the specified node.
Object	getParent(Object node) Return the parent of the specified node or null if it does not have a parent.
Object	getRoot(Object node) Return the root node of the document to which the specified node belongs.
String	getStringValue(Object node) Return the value of the specified node as defined in the XPath specification.
int	getType(Object node) Return the type of the node as specified in this interface.
Object	nextSibling(Object node) Return the next sibling of the specified node or null if it does not have a one.
Object	previousSibling(Object node) Return the previous sibling of the specified node or null if it does not have a one.

Methods inherited from class java.lang.Object

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

Constructor Detail

XMLStoreNavigator

public XMLStoreNavigator()

Construct an XMLStoreNavigator.

Method Detail

getRoot

public Object getRoot(Object node)
               throws XPathException

Description copied from interface: Navigator

Return the root node of the document to which the specified node belongs.

Specified by:

getRoot in interface Navigator

Throws:

XPathException

getParent

public Object getParent(Object node)
                 throws XPathException

Description copied from interface: Navigator

Return the parent of the specified node or null if it does not have a parent.

Specified by:

getParent in interface Navigator

Throws:

XPathException

nextSibling

public Object nextSibling(Object node)
                   throws XPathException

Description copied from interface: Navigator

Return the next sibling of the specified node or null if it does not have a one.

Specified by:

nextSibling in interface Navigator

Throws:

XPathException

previousSibling

public Object previousSibling(Object node)
                       throws XPathException

Description copied from interface: Navigator

Return the previous sibling of the specified node or null if it does not have a one.

Specified by:

previousSibling in interface Navigator

Throws:

XPathException

getChild

public Object getChild(Object node,
                       int index)
                throws XPathException

Description copied from interface: Navigator

Return the child of the specified node with the specified child index.

Specified by:

getChild in interface Navigator

Throws:

XPathException

childCount

public int childCount(Object node)
               throws XPathException

Description copied from interface: Navigator

Return the number of children of the specified node.

Specified by:

childCount in interface Navigator

Throws:

XPathException

getAttribute

public Object getAttribute(Object node,
                           int index)
                    throws XPathException

Description copied from interface: Navigator

Return the attribute of the specified node with the specified attribute index. Note that the indexing is merely for convenience and does not imply a specific ordering of the attributes.

Specified by:

getAttribute in interface Navigator

Throws:

XPathException

attributeCount

public int attributeCount(Object node)
                   throws XPathException

Description copied from interface: Navigator

Return the number of attributes of the specified node.

Specified by:

attributeCount in interface Navigator

Throws:

XPathException

getName

public String getName(Object node)
               throws XPathException

Description copied from interface: Navigator

Return the name of the specified node. For element nodes this is the name of the node. For text node this is null. For attribute nodes this is the name of the attribute.

Specified by:

getName in interface Navigator

Throws:

XPathException

getStringValue

public String getStringValue(Object node)
                      throws XPathException

Description copied from interface: Navigator

Return the value of the specified node as defined in the XPath specification. For element nodes this is the concatenation of the values of the descendant text nodes. For text nodes this is the character contents of the node. For attribute nodes this is the value of the attribute.

Specified by:

getStringValue in interface Navigator

Throws:

XPathException

getType

public int getType(Object node)
            throws XPathException

Description copied from interface: Navigator

Return the type of the node as specified in this interface.

Specified by:

getType in interface Navigator

Throws:

XPathException