/*
* 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.ForEachMediator;
/**
* <p>Serialize for each mediator as below : </p>
* <p/>
* <pre>
* <foreach expression="xpath" [sequence="sequence_ref"] [id="foreach_id"] >
* <sequence>
* (mediator)+
* </sequence>?
* </foreach>
* </pre>
*/
public class ForEachMediatorSerializer extends AbstractMediatorSerializer {
public String getMediatorClassName() {
return ForEachMediator.class.getName();
}
@Override
protected OMElement serializeSpecificMediator(Mediator m) {
if (!(m instanceof ForEachMediator)) {
handleException("Unsupported mediator passed in for serialization : " +
m.getType());
}
OMElement forEachElem = fac.createOMElement("foreach", synNS);
saveTracingState(forEachElem, m);
ForEachMediator forEachMed = (ForEachMediator) m;
if (forEachMed.getId() != null) {
forEachElem.addAttribute("id", forEachMed.getId(), nullNS);
}
if (forEachMed.getExpression() != null) {
SynapseXPathSerializer.serializeXPath(forEachMed.getExpression(),
forEachElem, "expression");
} else {
handleException("Missing expression of the ForEach which is required.");
}
if (forEachMed.getSequenceRef() != null) {
forEachElem.addAttribute("sequence", forEachMed.getSequenceRef(), null);
} else if (forEachMed.getSequence() != null) {
SequenceMediatorSerializer seqSerializer = new SequenceMediatorSerializer();
OMElement seqElement = seqSerializer.serializeAnonymousSequence(
null, forEachMed.getSequence());
seqElement.setLocalName("sequence");
forEachElem.addChild(seqElement);
}
return forEachElem;
}
}