/*
* 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;
}
}
}