/**
* Copyright (c) 2008, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* Licensed 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.wso2.carbon.mediator.event.ui;
import org.apache.axiom.om.OMAttribute;
import org.apache.axiom.om.OMElement;
import org.apache.synapse.config.xml.SynapseXPathFactory;
import org.apache.synapse.config.xml.SynapseXPathSerializer;
import org.apache.synapse.config.xml.ValueFactory;
import org.apache.synapse.config.xml.ValueSerializer;
import org.apache.synapse.mediators.Value;
import org.apache.synapse.util.xpath.SynapseXPath;
import org.jaxen.JaxenException;
import org.wso2.carbon.mediator.service.ui.AbstractMediator;
import javax.xml.namespace.QName;
public class EventMediator extends AbstractMediator {
private Value topic = null;
private SynapseXPath expression = null;
public Value getTopic() {
return topic;
}
public SynapseXPath getExpression() {
return expression;
}
public void setTopic(Value topic) {
this.topic = topic;
}
public void setExpression(SynapseXPath expression) {
this.expression = expression;
}
public OMElement serialize(OMElement parent) {
OMElement eventElement = fac.createOMElement("event", synNS);
ValueSerializer vs = new ValueSerializer();
if (getTopic() != null) {
vs.serializeValue(getTopic(), "topic", eventElement);
}
if (getExpression() != null) {
SynapseXPathSerializer.serializeXPath(getExpression(),
eventElement, "expression");
}
if (parent != null) {
parent.addChild(eventElement);
}
return eventElement;
}
public void build(OMElement element) {
OMAttribute topicAttr = element.getAttribute(new QName("topic"));
if (topicAttr != null) {
ValueFactory vf = new ValueFactory();
Value value = vf.createValue("topic", element);
setTopic(value);
}
OMAttribute expression = element.getAttribute(new QName("expression"));
if (expression != null) {
try {
setExpression(SynapseXPathFactory.getSynapseXPath(element, new QName("expression")));
} catch (JaxenException e) {
}
}
}
public String getTagLocalName() {
return "event";
}
}