org.apache.synapse.util.xpath.ext
Class XpathExtensionUtil

java.lang.Object
  org.apache.synapse.util.xpath.ext.XpathExtensionUtil

public class XpathExtensionUtil
extends Object

Utility class to support custom xpath context extensions

Constructor Summary

XpathExtensionUtil()

Method Summary

static Function	getFunctionContext(MessageContext ctxt, String namespaceURI, String prefix, String localName) Returns a Function Context extension registered for given QName/namespaceURI+prefix+localName combination
static List<SynapseXpathFunctionContextProvider>	getRegisteredFunctionExtensions() Get all registered function context extensions.
static List<SynapseXpathVariableResolver>	getRegisteredVariableExtensions() Get all registered variable context extensions.
static Object	resolveVariableContext(MessageContext ctxt, String namespaceURI, String prefix, String localName) Returns an object resolved by Variable Context extension registered for given QName/namespaceURI+prefix+localName combination

Methods inherited from class java.lang.Object

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

Constructor Detail

XpathExtensionUtil

public XpathExtensionUtil()

Method Detail

getRegisteredVariableExtensions

public static List<SynapseXpathVariableResolver> getRegisteredVariableExtensions()

Get all registered variable context extensions. Synapse will look for synapse.properties property synapse.xpath.var.extensions

Returns:

List of Synapse Xpath Variable Context Providers

getRegisteredFunctionExtensions

public static List<SynapseXpathFunctionContextProvider> getRegisteredFunctionExtensions()

Get all registered function context extensions. Synapse will look for synapse.properties property synapse.xpath.func.extensions

Returns:

List of Synapse Xpath Function Context Providers

getFunctionContext

public static Function getFunctionContext(MessageContext ctxt,
                                          String namespaceURI,
                                          String prefix,
                                          String localName)

Returns a Function Context extension registered for given QName/namespaceURI+prefix+localName combination

Parameters:

ctxt - Synapse Message Context

namespaceURI - binding namespace in xpath expression

prefix - binding prefix string in xpath expression

localName - binding localname string in xpath expression

Returns:

jaxen Function object for corresponding extension

resolveVariableContext

public static Object resolveVariableContext(MessageContext ctxt,
                                            String namespaceURI,
                                            String prefix,
                                            String localName)

Returns an object resolved by Variable Context extension registered for given QName/namespaceURI+prefix+localName combination

Parameters:

ctxt - Synapse Message Context

namespaceURI - binding namespace in xpath expression

prefix - binding prefix string in xpath expression

localName - binding localname string in xpath expression

Returns:

Object variable resolved by corresponding extension