fi.hut.tml.xsmiles.mlfc.xforms.xpath.xalan
Class XalanXPathEngine

java.lang.Object
  fi.hut.tml.xsmiles.mlfc.xforms.xpath.xalan.XalanXPathEngine

All Implemented Interfaces:

XPathEngine

public class XalanXPathEngine

extends java.lang.Object

implements XPathEngine

Author:

honkkis To change the template for this generated type comment go to Window>Preferences>Java>Code Generation>Code and Comments

Field Summary

protected XPathLookup

xpathLookup the cached XPath Lookup api context

Constructor Summary

XalanXPathEngine()

Method Summary

protected java.lang.Object	convertToJavaType(org.apache.xpath.objects.XObject obj)
XPathExpr	createXPathExpression(java.lang.String xpath)
java.lang.Object	eval(org.w3c.dom.Node contextNode, XPathExpr expr, org.w3c.dom.Node namespaceNode, org.w3c.dom.NodeList contextList)
org.apache.xpath.objects.XObject	evalInternal(org.w3c.dom.Node contextNode, XPathExpr expr, org.w3c.dom.Node namespaceNode, org.w3c.dom.NodeList contextList)
org.w3c.dom.NodeList	evalToNodelist(org.w3c.dom.Node contextNode, XPathExpr expr, org.w3c.dom.Node namespaceNode, org.w3c.dom.NodeList contextList)
java.lang.String	evalToString(org.w3c.dom.Node contextNode, XPathExpr expr, org.w3c.dom.Node namespaceNode, org.w3c.dom.NodeList contextList)
java.lang.Object	evalWithTrace(org.w3c.dom.Node contextNode, XPathExpr expr, org.w3c.dom.Node namespaceNode, org.w3c.dom.NodeList contextList, LookupResult result) returns also all the referenced nodes, used by XForms Calculation engine and dynamic UI dependencies
ModelContext	getModelContext()
XFormsContext	getXFormsContext()
XPathLookup	getXPathLookup()
boolean	hasFunction(java.lang.String uri, java.lang.String funcName) for model/@function processing, checks whether this function exists
void	setContext(XFormsContext handler, ModelContext mcontext) set the evaluation context and default context node if context node is null later

Methods inherited from class java.lang.Object

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

Field Detail

xpathLookup

protected XPathLookup xpathLookup

the cached XPath Lookup api context

Constructor Detail

XalanXPathEngine

public XalanXPathEngine()

Method Detail

setContext

public void setContext(XFormsContext handler,
                       ModelContext mcontext)

Description copied from interface: XPathEngine

set the evaluation context and default context node if context node is null later

Specified by:

setContext in interface XPathEngine

hasFunction

public boolean hasFunction(java.lang.String uri,
                           java.lang.String funcName)

Description copied from interface: XPathEngine

for model/@function processing, checks whether this function exists

Specified by:

hasFunction in interface XPathEngine

createXPathExpression

public XPathExpr createXPathExpression(java.lang.String xpath)

Specified by:

createXPathExpression in interface XPathEngine

evalInternal

public org.apache.xpath.objects.XObject evalInternal(org.w3c.dom.Node contextNode,
                                                     XPathExpr expr,
                                                     org.w3c.dom.Node namespaceNode,
                                                     org.w3c.dom.NodeList contextList)
                                              throws java.lang.Exception

Throws:

java.lang.Exception

eval

public java.lang.Object eval(org.w3c.dom.Node contextNode,
                             XPathExpr expr,
                             org.w3c.dom.Node namespaceNode,
                             org.w3c.dom.NodeList contextList)
                      throws java.lang.Exception

Specified by:

eval in interface XPathEngine

Throws:

java.lang.Exception

evalToString

public java.lang.String evalToString(org.w3c.dom.Node contextNode,
                                     XPathExpr expr,
                                     org.w3c.dom.Node namespaceNode,
                                     org.w3c.dom.NodeList contextList)
                              throws java.lang.Exception

Specified by:

evalToString in interface XPathEngine

Throws:

java.lang.Exception

convertToJavaType

protected java.lang.Object convertToJavaType(org.apache.xpath.objects.XObject obj)

evalToNodelist

public org.w3c.dom.NodeList evalToNodelist(org.w3c.dom.Node contextNode,
                                           XPathExpr expr,
                                           org.w3c.dom.Node namespaceNode,
                                           org.w3c.dom.NodeList contextList)
                                    throws java.lang.Exception

Specified by:

evalToNodelist in interface XPathEngine

Throws:

java.lang.Exception

evalWithTrace

public java.lang.Object evalWithTrace(org.w3c.dom.Node contextNode,
                                      XPathExpr expr,
                                      org.w3c.dom.Node namespaceNode,
                                      org.w3c.dom.NodeList contextList,
                                      LookupResult result)
                               throws java.lang.Exception

Description copied from interface: XPathEngine

returns also all the referenced nodes, used by XForms Calculation engine and dynamic UI dependencies

Specified by:

evalWithTrace in interface XPathEngine

Throws:

java.lang.Exception

getXPathLookup

public XPathLookup getXPathLookup()

getModelContext

public ModelContext getModelContext()

Specified by:

getModelContext in interface XPathEngine

getXFormsContext

public XFormsContext getXFormsContext()

Specified by:

getXFormsContext in interface XPathEngine