/*
* 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.OMElement;
import org.apache.synapse.Mediator;
import org.apache.synapse.mediators.builtin.CacheMediator;
/**
* Serializes the Cache mediator to the XML configuration specified
* <p/>
* <pre>
* <cache [id="string"] [hashGenerator="class"] [timeout="seconds"]
* [scope=(per-host | per-mediator)] collector=(true | false) [maxMessageSize="in-bytes"]>
* <onCacheHit [sequence="key"]>
* (mediator)+
* </onCacheHit>?
* <implementation type=(memory | disk) maxSize="int"/>
* </cache>
* </pre>
*/
public class CacheMediatorSerializer extends AbstractMediatorSerializer {
protected OMElement serializeSpecificMediator(Mediator m) {
if (!(m instanceof CacheMediator)) {
handleException("Unsupported mediator passed in for serialization : " + m.getType());
}
CacheMediator mediator = (CacheMediator) m;
OMElement cache = fac.createOMElement("cache", synNS);
saveTracingState(cache, mediator);
if (mediator.getId() != null) {
cache.addAttribute(fac.createOMAttribute("id", nullNS, mediator.getId()));
}
if (mediator.getScope() != null) {
cache.addAttribute(fac.createOMAttribute("scope", nullNS, mediator.getScope()));
}
if (mediator.isCollector()) {
cache.addAttribute(fac.createOMAttribute("collector", nullNS, "true"));
} else {
cache.addAttribute(fac.createOMAttribute("collector", nullNS, "false"));
if (mediator.getDigestGenerator() != null) {
cache.addAttribute(fac.createOMAttribute("hashGenerator", nullNS,
mediator.getDigestGenerator().getClass().getName()));
}
if (mediator.getTimeout() != 0) {
cache.addAttribute(
fac.createOMAttribute("timeout", nullNS, Long.toString(mediator.getTimeout())));
}
if (mediator.getMaxMessageSize() != 0) {
cache.addAttribute(
fac.createOMAttribute("maxMessageSize", nullNS,
Integer.toString(mediator.getMaxMessageSize())));
}
if (mediator.getOnCacheHitRef() != null) {
OMElement onCacheHit = fac.createOMElement("onCacheHit", synNS);
onCacheHit.addAttribute(
fac.createOMAttribute("sequence", nullNS, mediator.getOnCacheHitRef()));
cache.addChild(onCacheHit);
} else if (mediator.getOnCacheHitSequence() != null) {
OMElement onCacheHit = fac.createOMElement("onCacheHit", synNS);
new SequenceMediatorSerializer()
.serializeChildren(onCacheHit, mediator.getOnCacheHitSequence().getList());
cache.addChild(onCacheHit);
}
if (mediator.getInMemoryCacheSize() != 0) {
OMElement implElem = fac.createOMElement("implementation", synNS);
implElem.addAttribute(fac.createOMAttribute("type", nullNS, "memory"));
implElem.addAttribute(fac.createOMAttribute("maxSize", nullNS,
Integer.toString(mediator.getInMemoryCacheSize())));
cache.addChild(implElem);
}
if (mediator.getDiskCacheSize() != 0) {
OMElement implElem = fac.createOMElement("implementation", synNS);
implElem.addAttribute(fac.createOMAttribute("type", nullNS, "disk"));
implElem.addAttribute(fac.createOMAttribute("maxSize", nullNS,
Integer.toString(mediator.getDiskCacheSize())));
cache.addChild(implElem);
}
}
return cache;
}
public String getMediatorClassName() {
return CacheMediator.class.getName();
}
}