# SpringMediatorSerializer.java

    /*
     *  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.mediators.spring;

    import org.apache.axiom.om.OMElement;
    import org.apache.axiom.om.OMNamespace;
    import org.apache.synapse.Mediator;
    import org.apache.synapse.config.xml.AbstractMediatorSerializer;
    import org.apache.synapse.config.xml.XMLConfigConstants;

    /**
     * <spring bean="exampleBean1" (config="spring1" | src="spring.xml)"/>
     */
    @SuppressWarnings({"UnusedDeclaration"})
    public class SpringMediatorSerializer extends AbstractMediatorSerializer {

        private static final OMNamespace sprNS =
                fac.createOMNamespace(XMLConfigConstants.SYNAPSE_NAMESPACE, "spring");

        public OMElement serializeSpecificMediator(Mediator m) {

            if (!(m instanceof SpringMediator)) {
                handleException("Unsupported mediator passed in for serialization : " + m.getType());
            }

            SpringMediator mediator = (SpringMediator) m;
            OMElement spring = fac.createOMElement("spring", sprNS);

            if (mediator.getBeanName() != null) {
                spring.addAttribute(fac.createOMAttribute(
                    "bean", nullNS, mediator.getBeanName()));
            } else {
                handleException("Invalid mediator. Bean name required.");
            }
            saveTracingState(spring,mediator);

            if (mediator.getConfigKey() != null) {
                spring.addAttribute(fac.createOMAttribute(
                    "key", nullNS, mediator.getConfigKey()));
            }

            // TODO add support for src attribute - or replace with a reg key!

            serializeComments(spring, mediator.getCommentsList());

            return spring;
        }

        public String getMediatorClassName() {
            return SpringMediator.class.getName();
        }
    }