org.hudsonci.xpath.impl

Class Rewriter

java.lang.Object

org.hudsonci.xpath.impl.Rewriter

public class Rewriter
extends Object

Rewrite an XPath expression containing Node variables.

Author:

Bob Foster

Constructor Summary

Constructors

Constructor and Description
Rewriter()

Method Summary

Methods

Modifier and Type	Method and Description
Pair<String,org.dom4j.Node>	rewriteExpression(String expr, XVariableContext varContext, XNamespaceContext nsContext) Rewrite the XPath expression such that at least one Node-valued variable is replaced by the outer-most context ".".

Methods inherited from class java.lang.Object

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

Constructor Detail

Rewriter

public Rewriter()

Method Detail

rewriteExpression

public Pair<String,org.dom4j.Node> rewriteExpression(String expr,
                                            XVariableContext varContext,
                                            XNamespaceContext nsContext)
                                              throws XPathException

Rewrite the XPath expression such that at least one Node-valued variable is replaced by the outer-most context ".". Should only be called if the XPath evaluation context is null.

Parameters:

expr - XPath expression

varContext - context for variables

nsContext - context for namespaces

Returns:

Pair

Throws:

XPathException - if no Node-valued variable that is a suitable context is found