org.jaxen

Class JaxenHandler

public class JaxenHandler extends Object implements XPathHandler

SAXPath XPathHandler implementation capable of building Jaxen expression trees which can walk various different object models.

Author: bob mcwhirter (bob@werken.com)

Field Summary
protected boolean	simplified ?
protected LinkedList	stack This may be changed to an ArrayList in the future (i.e. version >= 1.2).
XPathExpr	xpath
XPathFactory	xpathFactory

Constructor Summary
	JaxenHandler() Constructor

Method Summary
protected void	addParameters(FunctionCallExpr function, Iterator paramIter)
protected void	addPredicates(Predicated obj, Iterator predIter)
protected void	addSteps(LocationPath locationPath, Iterator stepIter)
protected boolean	canPop()
void	endAbsoluteLocationPath()
void	endAdditiveExpr(int operator)
void	endAllNodeStep()
void	endAndExpr(boolean create)
void	endCommentNodeStep()
void	endEqualityExpr(int operator)
void	endFilterExpr()
void	endFunction()
protected void	endLocationPath()
void	endMultiplicativeExpr(int operator)
void	endNameStep()
void	endOrExpr(boolean create)
void	endPathExpr()
void	endPredicate()
void	endProcessingInstructionNodeStep()
void	endRelationalExpr(int operator)
void	endRelativeLocationPath()
protected void	endStep()
void	endTextNodeStep()
void	endUnaryExpr(int operator)
void	endUnionExpr(boolean create)
void	endXPath()
XPathExpr	getXPathExpr() Retrieve the simplified Jaxen XPath expression tree.
XPathExpr	getXPathExpr(boolean shouldSimplify) Retrieve the Jaxen XPath expression tree, optionally simplified.
XPathFactory	getXPathFactory() Retrieve the Jaxen `XPathFactory` used during the parse to construct the XPath expression tree.
void	literal(String literal)
void	number(int number)
void	number(double number)
protected LinkedList	peekFrame()
protected Object	pop()
protected LinkedList	popFrame()
protected void	push(Object obj)
protected void	pushFrame()
protected void	returnExpr()
void	setXPathFactory(XPathFactory xpathFactory) Set the Jaxen `XPathFactory` that constructs the XPath expression tree during the parse.
protected int	stackSize()
void	startAbsoluteLocationPath()
void	startAdditiveExpr()
void	startAllNodeStep(int axis)
void	startAndExpr()
void	startCommentNodeStep(int axis)
void	startEqualityExpr()
void	startFilterExpr()
void	startFunction(String prefix, String functionName)
void	startMultiplicativeExpr()
void	startNameStep(int axis, String prefix, String localName)
void	startOrExpr()
void	startPathExpr()
void	startPredicate()
void	startProcessingInstructionNodeStep(int axis, String name)
void	startRelationalExpr()
void	startRelativeLocationPath()
void	startTextNodeStep(int axis)
void	startUnaryExpr()
void	startUnionExpr()
void	startXPath()
void	variableReference(String prefix, String variableName)

Field Detail

This may be changed to an ArrayList in the future (i.e. version >= 1.2). You really shouldn't be accessing this field directly, but if you are please try to use it as a generic List. Don't use the methods that are only available in LinkedList.

xpath

private XPathExpr xpath

xpathFactory

private XPathFactory xpathFactory

Constructor Detail

JaxenHandler

public JaxenHandler()

Constructor

Method Detail

addParameters

protected void addParameters(FunctionCallExpr function, Iterator paramIter)

addPredicates

protected void addPredicates(Predicated obj, Iterator predIter)

addSteps

protected void addSteps(LocationPath locationPath, Iterator stepIter)

canPop

protected boolean canPop()

endAbsoluteLocationPath

public void endAbsoluteLocationPath()

endAdditiveExpr

public void endAdditiveExpr(int operator)

endAllNodeStep

public void endAllNodeStep()

endAndExpr

public void endAndExpr(boolean create)

endCommentNodeStep

public void endCommentNodeStep()

endEqualityExpr

public void endEqualityExpr(int operator)

endFilterExpr

public void endFilterExpr()

endFunction

public void endFunction()

endLocationPath

protected void endLocationPath()

endMultiplicativeExpr

public void endMultiplicativeExpr(int operator)

endNameStep

public void endNameStep()

endOrExpr

public void endOrExpr(boolean create)

endPathExpr

public void endPathExpr()

endPredicate

public void endPredicate()

endProcessingInstructionNodeStep

public void endProcessingInstructionNodeStep()

endRelationalExpr

public void endRelationalExpr(int operator)

endRelativeLocationPath

public void endRelativeLocationPath()

endStep

protected void endStep()

endTextNodeStep

public void endTextNodeStep()

endUnaryExpr

public void endUnaryExpr(int operator)

endUnionExpr

public void endUnionExpr(boolean create)

endXPath

public void endXPath()

getXPathExpr

public XPathExpr getXPathExpr()

Retrieve the simplified Jaxen XPath expression tree.

This method is only valid once XPathReader.parse(...) successfully returned.

Returns: the XPath expression tree

getXPathExpr

public XPathExpr getXPathExpr(boolean shouldSimplify)

Retrieve the Jaxen XPath expression tree, optionally simplified.

This method is only valid once XPathReader.parse(...) successfully returned.

Parameters: shouldSimplify ????

Returns: the XPath expression tree

getXPathFactory

public XPathFactory getXPathFactory()

Retrieve the Jaxen XPathFactory used during the parse to construct the XPath expression tree.

Returns: the XPathFactory used during the parse.

literal

public void literal(String literal)

number

public void number(int number)

number

public void number(double number)

peekFrame

protected LinkedList peekFrame()

pop

protected Object pop()

popFrame

protected LinkedList popFrame()

push

protected void push(Object obj)

pushFrame

protected void pushFrame()

returnExpr

protected void returnExpr()

setXPathFactory

public void setXPathFactory(XPathFactory xpathFactory)

Set the Jaxen XPathFactory that constructs the XPath expression tree during the parse.

Parameters: xpathFactory the factory to use during the parse

stackSize

protected int stackSize()

startAbsoluteLocationPath

public void startAbsoluteLocationPath()

startAdditiveExpr

public void startAdditiveExpr()

startAllNodeStep

public void startAllNodeStep(int axis)

startAndExpr

public void startAndExpr()

startCommentNodeStep

public void startCommentNodeStep(int axis)

startEqualityExpr

public void startEqualityExpr()

startFilterExpr

public void startFilterExpr()

startFunction

public void startFunction(String prefix, String functionName)

startMultiplicativeExpr

public void startMultiplicativeExpr()

startNameStep

public void startNameStep(int axis, String prefix, String localName)

startOrExpr

public void startOrExpr()

startPathExpr

public void startPathExpr()

startPredicate

public void startPredicate()

startProcessingInstructionNodeStep

public void startProcessingInstructionNodeStep(int axis, String name)

startRelationalExpr

public void startRelationalExpr()

startRelativeLocationPath

public void startRelativeLocationPath()

startTextNodeStep

public void startTextNodeStep(int axis)

startUnaryExpr

public void startUnaryExpr()

startUnionExpr

public void startUnionExpr()

startXPath

public void startXPath()

variableReference

public void variableReference(String prefix, String variableName)