/*
* 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.endpoints;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.synapse.SynapseConstants;
import org.apache.synapse.SynapseException;
import org.apache.synapse.config.xml.XMLConfigConstants;
import org.apache.synapse.endpoints.Endpoint;
import org.apache.synapse.endpoints.LoadbalanceEndpoint;
import org.apache.synapse.endpoints.algorithms.LoadbalanceAlgorithm;
import org.apache.synapse.endpoints.algorithms.RoundRobin;
import java.util.List;
/**
* Serializes {@link LoadbalanceEndpoint} to an XML configuration.
*
* <endpoint [name="name"]>
* <loadbalance policy="load balance algorithm">
* <endpoint>+
* </loadbalance>
* </endpoint>
*/
public class LoadbalanceEndpointSerializer extends EndpointSerializer {
protected OMElement serializeEndpoint(Endpoint endpoint) {
if (!(endpoint instanceof LoadbalanceEndpoint)) {
throw new SynapseException("Invalid endpoint type.");
}
fac = OMAbstractFactory.getOMFactory();
OMElement endpointElement
= fac.createOMElement("endpoint", SynapseConstants.SYNAPSE_OMNAMESPACE);
LoadbalanceEndpoint loadbalanceEndpoint = (LoadbalanceEndpoint) endpoint;
String name = loadbalanceEndpoint.getName();
if (name != null) {
endpointElement.addAttribute("name", name, null);
}
OMElement loadbalanceElement
= fac.createOMElement("loadbalance", SynapseConstants.SYNAPSE_OMNAMESPACE);
endpointElement.addChild(loadbalanceElement);
LoadbalanceAlgorithm algorithm = loadbalanceEndpoint.getAlgorithm();
String algorithmName = "roundRobin";
if (algorithm instanceof RoundRobin) {
algorithmName = "roundRobin";
}
loadbalanceElement.addAttribute(XMLConfigConstants.ALGORITHM_NAME, algorithmName, null);
// set if failover is turned off in the endpoint
if (!loadbalanceEndpoint.isFailover()) {
loadbalanceElement.addAttribute("failover", "false", null);
}
for (Endpoint childEndpoint : loadbalanceEndpoint.getEndpoints()) {
loadbalanceElement.addChild(EndpointSerializer.getElementFromEndpoint(childEndpoint));
}
return endpointElement;
}
}