src/org/apache/kandula/wsat/completion/CompletionInitiatorServiceListener.java

/*
 * Copyright  2004 The Apache Software Foundation.
 *
 *  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.apache.kandula.wsat.completion;

import java.io.IOException;

import javax.xml.namespace.QName;

import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.description.ParameterImpl;
import org.apache.axis2.description.ServiceDescription;
import org.apache.axis2.receivers.AbstractMessageReceiver;
import org.apache.axis2.receivers.RawXMLINOnlyMessageReceiver;
import org.apache.kandula.Constants;
import org.apache.kandula.utility.KandulaListener;

/**
 * @author <a href="mailto:thilina@opensource.lk"> Thilina Gunarathne </a>
 */
public class CompletionInitiatorServiceListener {

    private static CompletionInitiatorServiceListener instance = null;

    private EndpointReference epr = null;

    private CompletionInitiatorServiceListener() {
        super();
    }

    public static CompletionInitiatorServiceListener getInstance() {
        if (instance == null) {
            instance = new CompletionInitiatorServiceListener();
        }
        return instance;
    }

    public EndpointReference getEpr() throws IOException {
        if (epr == null) {
            this.epr = setupListener();
        }
        return this.epr;
    }

    private EndpointReference setupListener() throws IOException {
        QName serviceName = new QName("CompletionInitiatorPortType");
        String className = CompletionInitiatorPortTypeRawXMLSkeleton.class
                .getName();
        ServiceDescription service = new ServiceDescription(serviceName);
        service.addParameter(new ParameterImpl(
                AbstractMessageReceiver.SERVICE_CLASS, className));
        service.setFileName(className);

        QName committedOperationName = new QName(Constants.WS_COOR,
                "committedOperation");
        org.apache.axis2.description.OperationDescription committedOperationDesc;
        String committedMapping = Constants.WS_AT_COMMITTED;
        committedOperationDesc = new org.apache.axis2.description.OperationDescription();
        committedOperationDesc.setName(committedOperationName);
        committedOperationDesc
                .setMessageReceiver(new RawXMLINOnlyMessageReceiver());
        // Adding the WSA Action mapping to the operation
        service.addMapping(committedMapping, committedOperationDesc);
        service.addOperation(committedOperationDesc);

        QName abortedOperationName = new QName(Constants.WS_COOR,
                "abortedOperation");
        org.apache.axis2.description.OperationDescription abortedOperationDesc;
        String abortedMapping = Constants.WS_AT_ABORTED;
        abortedOperationDesc = new org.apache.axis2.description.OperationDescription();
        abortedOperationDesc.setName(abortedOperationName);
        abortedOperationDesc
                .setMessageReceiver(new RawXMLINOnlyMessageReceiver());
        // Adding the WSA Action mapping to the operation
        service.addMapping(abortedMapping, abortedOperationDesc);
        service.addOperation(abortedOperationDesc);

        KandulaListener listener = KandulaListener.getInstance();
        listener.addService(service);
        listener.start();
        return new EndpointReference(listener.getHost()
                + serviceName.getLocalPart());
    }
}