/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.wso2.carbon.mediator.rule; import org.apache.axiom.om.OMElement; import org.apache.axiom.om.OMNamespace; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.synapse.util.xpath.SynapseXPath; import org.jaxen.BaseXPath; import org.jaxen.JaxenException; import javax.xml.namespace.QName; import java.util.Collection; /** * Creates SynapseXPaths */ public class SynapseXPathFactory { private static Log log = LogFactory.getLog(SynapseXPathFactory.class); /** * Creates a <code>SynapseXPath</code> * * @param element OMElement Instance to be used to locate XPath expression and namespaces * @param attributeName Attribute name to get XPath expression * @return a <code>SynapseXPath</code> instance */ public BaseXPath createXPath(OMElement element, QName attributeName) { try { return org.apache.synapse.config.xml.SynapseXPathFactory.getSynapseXPath(element, attributeName); } catch (JaxenException e) { // throw new LoggedRuntimeException("Error creating XPath from omelement : " + element // + " with attribute : " + attributeName, e, log); return null; } } public BaseXPath createXPath(String xpath, Collection<OMNamespace> omNameSpaces) { if (xpath == null || "".equals(xpath)) { // throw new LoggedRuntimeException("XPath expression is null or empty", log); } try { SynapseXPath synapseXPath = new SynapseXPath(xpath); for (OMNamespace omNamespace : omNameSpaces) { if (omNamespace != null) { synapseXPath.addNamespace(omNamespace.getPrefix(), omNamespace.getNamespaceURI()); } } return synapseXPath; } catch (JaxenException e) { // throw new LoggedRuntimeException("Invalid XPapth expression : " + // xpath, e, log); return null; } } }