org.dom4j.xpath

Class DefaultXPath

public class DefaultXPath extends Object implements XPath, NodeFilter, Serializable

Default implementation of XPathwhich uses the Jaxen project.

Author: bob mcwhirter James Strachan

Constructor Summary
	DefaultXPath(String text) Construct an XPath

Method Summary
boolean	booleanValueOf(Object context)
Object	evaluate(Object context)
protected Object	getCompareValue(Node node) DOCUMENT ME!
FunctionContext	getFunctionContext()
NamespaceContext	getNamespaceContext()
String	getText() Retrieve the textual XPath string used to initialize this Object
VariableContext	getVariableContext()
protected void	handleJaxenException(JaxenException exception)
boolean	matches(Node node)
Number	numberValueOf(Object context)
protected static XPath	parse(String text)
protected void	removeDuplicates(List list, Map sortValues) Removes items from the list which have duplicate values
List	selectNodes(Object context)
List	selectNodes(Object context, XPath sortXPath)
List	selectNodes(Object context, XPath sortXPath, boolean distinct)
Object	selectObject(Object context)
Node	selectSingleNode(Object context)
void	setFunctionContext(FunctionContext functionContext)
void	setNamespaceContext(NamespaceContext namespaceContext)
void	setNamespaceURIs(Map map)
protected void	setNSContext(Object context)
void	setVariableContext(VariableContext variableContext)
void	sort(List list) `sort` sorts the given List of Nodes using this XPath expression as a Comparator.
void	sort(List list, boolean distinct) `sort` sorts the given List of Nodes using this XPath expression as a Comparatorand optionally removing duplicates.
protected void	sort(List list, Map sortValues) Sorts the list based on the sortValues for each node
String	toString()
String	valueOf(Object context)

Constructor Detail

DefaultXPath

public DefaultXPath(String text)

Construct an XPath

Parameters: text DOCUMENT ME!

Throws: InvalidXPathException DOCUMENT ME!

Method Detail

booleanValueOf

public boolean booleanValueOf(Object context)

evaluate

public Object evaluate(Object context)

getCompareValue

protected Object getCompareValue(Node node)

DOCUMENT ME!

Parameters: node DOCUMENT ME!

Returns: the node expression used for sorting comparisons

getFunctionContext

public FunctionContext getFunctionContext()

getNamespaceContext

public NamespaceContext getNamespaceContext()

getText

public String getText()

Retrieve the textual XPath string used to initialize this Object

Returns: The XPath string

getVariableContext

public VariableContext getVariableContext()

handleJaxenException

protected void handleJaxenException(JaxenException exception)

matches

public boolean matches(Node node)

numberValueOf

public Number numberValueOf(Object context)

parse

protected static XPath parse(String text)

removeDuplicates

protected void removeDuplicates(List list, Map sortValues)

Removes items from the list which have duplicate values

Parameters: list DOCUMENT ME! sortValues DOCUMENT ME!

selectNodes

public List selectNodes(Object context)

selectNodes

public List selectNodes(Object context, XPath sortXPath)

selectNodes

public List selectNodes(Object context, XPath sortXPath, boolean distinct)

selectObject

public Object selectObject(Object context)

selectSingleNode

public Node selectSingleNode(Object context)

setFunctionContext

public void setFunctionContext(FunctionContext functionContext)

setNamespaceContext

public void setNamespaceContext(NamespaceContext namespaceContext)

setNamespaceURIs

public void setNamespaceURIs(Map map)

setNSContext

protected void setNSContext(Object context)

setVariableContext

public void setVariableContext(VariableContext variableContext)

sort

public void sort(List list)

sort sorts the given List of Nodes using this XPath expression as a Comparator.

Parameters: list is the list of Nodes to sort

sort

public void sort(List list, boolean distinct)

sort sorts the given List of Nodes using this XPath expression as a Comparatorand optionally removing duplicates.

Parameters: list is the list of Nodes to sort distinct if true then duplicate values (using the sortXPath for comparisions) will be removed from the List

sort

protected void sort(List list, Map sortValues)

Sorts the list based on the sortValues for each node

Parameters: list DOCUMENT ME! sortValues DOCUMENT ME!

toString

public String toString()

valueOf

public String valueOf(Object context)

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