fi.hut.tml.xsmiles.mlfc.xforms.xpath.jaxen
Class JaxenXPathEngine

java.lang.Object
  fi.hut.tml.xsmiles.mlfc.xforms.xpath.jaxen.JaxenXPathEngine

All Implemented Interfaces:

XPathEngine

public class JaxenXPathEngine

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

Nested Class Summary

class

JaxenXPathEngine.ListNodeList

Field Summary

static java.lang.String	CONTEXT_NODE_VARIABLE
protected static JaxenXFormsFunctions	functions
static java.lang.String	VARIABLE_NS

Constructor Summary

JaxenXPathEngine()

Method Summary

protected org.w3c.dom.Node	checkContextNode(org.w3c.dom.Node contextNode)
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.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()
boolean	hasFunction(java.lang.String uri, java.lang.String funcName) for model/@function processing, checks whether this function exists
protected org.jaxen.XPath	initXPath(org.w3c.dom.Node contextNode, XPathExpr expr, org.w3c.dom.Node namespaceNode, org.w3c.dom.NodeList contextList)
org.w3c.dom.NodeList	listToNodeList(java.util.List l)
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

functions

protected static JaxenXFormsFunctions functions

VARIABLE_NS

public static final java.lang.String VARIABLE_NS

See Also:

Constant Field Values

CONTEXT_NODE_VARIABLE

public static final java.lang.String CONTEXT_NODE_VARIABLE

See Also:

Constant Field Values

Constructor Detail

JaxenXPathEngine

public JaxenXPathEngine()

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

createXPathExpression

public XPathExpr createXPathExpression(java.lang.String xpath)

Specified by:

createXPathExpression in interface XPathEngine

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

initXPath

protected org.jaxen.XPath initXPath(org.w3c.dom.Node contextNode,
                                    XPathExpr expr,
                                    org.w3c.dom.Node namespaceNode,
                                    org.w3c.dom.NodeList contextList)

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

listToNodeList

public org.w3c.dom.NodeList listToNodeList(java.util.List l)

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

checkContextNode

protected org.w3c.dom.Node checkContextNode(org.w3c.dom.Node contextNode)

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

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

getModelContext

public ModelContext getModelContext()

Specified by:

getModelContext in interface XPathEngine

getXFormsContext

public XFormsContext getXFormsContext()

Specified by:

getXFormsContext in interface XPathEngine