/*
* 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.SynapseException;
import org.apache.synapse.mediators.template.TemplateMediator;
import javax.xml.namespace.QName;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.Properties;
/**
* Factory class for Template configuration as follows
* <template name="simple_func">
<parameter name="p1"/>
<parameter name="p2"/>*
<mediator/>+
</template>
*/
public class TemplateMediatorFactory extends AbstractListMediatorFactory {
private static final QName TEMPLATE_Q
= new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "template");
private static final QName TEMPLATE_BODY_Q
= new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "sequence");
/**
* Element QName Definitions
*/
public static final QName PARAMETER_Q = new QName(
XMLConfigConstants.SYNAPSE_NAMESPACE, "parameter");
protected Mediator createSpecificMediator(OMElement elem, Properties properties) {
TemplateMediator templateTemplateMediator = new TemplateMediator();
OMAttribute nameAttr = elem.getAttribute(ATT_NAME);
if (nameAttr != null) {
templateTemplateMediator.setName(nameAttr.getAttributeValue());
processAuditStatus(templateTemplateMediator, elem);
initParameters(elem, templateTemplateMediator);
OMElement templateBodyElem = elem.getFirstChildWithName(TEMPLATE_BODY_Q);
addChildren(templateBodyElem, templateTemplateMediator, properties);
} else {
String msg = "A EIP template should be a named mediator .";
log.error(msg);
throw new SynapseException(msg);
}
return templateTemplateMediator;
}
private void initParameters(OMElement templateElem, TemplateMediator templateMediator) {
Iterator subElements = templateElem.getChildElements();
Collection<String> paramNames = new ArrayList<String>();
while (subElements.hasNext()) {
OMElement child = (OMElement) subElements.next();
if (child.getQName().equals(PARAMETER_Q)) {
OMAttribute paramNameAttr = child.getAttribute(ATT_NAME);
if (paramNameAttr != null) {
paramNames.add(paramNameAttr.getAttributeValue());
}
// child.detach();
}
}
templateMediator.setParameters(paramNames);
}
public QName getTagQName() {
return TEMPLATE_Q;
}
}