/*
* 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.apache.synapse.config.xml;
import org.apache.axiom.om.OMAttribute;
import org.apache.axiom.om.OMElement;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.SynapseException;
import org.apache.synapse.Mediator;
import org.apache.synapse.mediators.ext.ClassMediator;
import javax.xml.namespace.QName;
/**
* Creates an instance of a Class mediator using XML configuration specified
*
* <pre>
* <class name="class-name">
* <property name="string" (value="literal" | expression="xpath")/>*
* </class>
* </pre>
*/
public class ClassMediatorFactory implements MediatorFactory{
private static final Log log = LogFactory.getLog(LogMediatorFactory.class);
private static final QName CLASS_Q = new QName(Constants.SYNAPSE_NAMESPACE, "class");
public Mediator createMediator(OMElement elem) {
ClassMediator classMediator = new ClassMediator();
OMAttribute name = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "name"));
if (name == null) {
String msg = "The name of the actual mediator class is a required attribute";
log.error(msg);
throw new SynapseException(msg);
}
try {
Class clazz = getClass().getClassLoader().loadClass(name.getAttributeValue());
classMediator.setClazz(clazz);
} catch (ClassNotFoundException e) {
String msg = "Cannot find class : " + name.getAttributeValue();
log.error(msg, e);
throw new SynapseException(msg, e);
}
classMediator.addAllProperties(MediatorPropertyFactory.getMediatorProperties(elem));
return classMediator;
}
public QName getTagQName() {
return CLASS_Q;
}
}