| /* |
| * 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; |
| } |
| } |