org.apache.muse.ws.resource.properties.query.impl
Class XPathQueryExpression

java.lang.Object
  org.apache.muse.ws.resource.properties.query.impl.XPathQueryExpression

All Implemented Interfaces:

QueryExpression

public class XPathQueryExpression

extends java.lang.Object

implements QueryExpression

XPathQueryExpression is an implementation of query evaluations using XPath 1.0.

Author:

Dan Jemiolo (danj)

Constructor Summary

XPathQueryExpression()

Method Summary

org.w3c.dom.Node[]	evaluate(org.w3c.dom.Element wsrpDoc, java.lang.String query)
java.lang.String	getDialect()

Methods inherited from class java.lang.Object

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

Constructor Detail

XPathQueryExpression

public XPathQueryExpression()

Method Detail

evaluate

public org.w3c.dom.Node[] evaluate(org.w3c.dom.Element wsrpDoc,
                                   java.lang.String query)
                            throws QueryEvaluationErrorFault

Specified by:

evaluate in interface QueryExpression

Parameters:

wsrpDoc - A resource's WSRP document.

query - A query expression in the language described by getDialect().

Returns:

An array of nodes from the given document that match the query expression. The array may be empty.

Throws:

QueryEvaluationErrorFault

getDialect

public java.lang.String getDialect()

Specified by:

getDialect in interface QueryExpression

Returns:

The URI that defines the query language for this expression.