/*
* 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.synapse.Mediator;
import org.apache.synapse.mediators.store.MessageStoreMediator;
import javax.xml.namespace.QName;
/**
* Serialize an instance of a MessageStore mediator to the XML configuration .
* <pre>
* <store messageStore = "message store name" [sequence = "sequence name"] />
* </pre>
* TODO Message store mediator will be improved with more user options
*/
public class MessageStoreMediatorSerializer extends AbstractMediatorSerializer {
private static final QName STORE_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "store");
private static final String ATT_MESSAGE_STORE = "messageStore";
private static final String ATT_SEQUENCE = "sequence";
@Override
protected OMElement serializeSpecificMediator(Mediator m) {
if (!(m instanceof MessageStoreMediator)) {
handleException("Unsupported mediator passed in for serialization : " + m.getType());
}
MessageStoreMediator messageStoreMediator = (MessageStoreMediator)m;
String messageStoreName = messageStoreMediator.getMessageStoreName();
OMElement storeElem = fac.createOMElement(STORE_Q);
String name = messageStoreMediator.getName();
if(name != null) {
OMAttribute nameAtt = fac.createOMAttribute("name" , nullNS , name);
storeElem.addAttribute(nameAtt);
}
//In normal operations messageStoreName can't be null
//But we do a null check here since in run time there can be manuel modifications
if(messageStoreName != null ) {
OMAttribute msName = fac.createOMAttribute(ATT_MESSAGE_STORE ,nullNS,messageStoreName);
storeElem.addAttribute(msName);
} else {
handleException("Can't serialize MessageStore Mediator message store is null ");
}
String sequence = messageStoreMediator.getOnStoreSequence();
// sequence is an optional parameter
if(sequence != null) {
OMAttribute sequenceAtt = fac.createOMAttribute(ATT_SEQUENCE , nullNS ,sequence);
storeElem.addAttribute(sequenceAtt);
}
return storeElem;
}
public String getMediatorClassName() {
return MessageStoreMediator.class.getName();
}
}