/*
* Copyright 2004,2005 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.axis2.receivers;

import org.apache.axis2.AxisFault;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.engine.AxisEngine;
import org.apache.axis2.util.Utils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * This is takes care of the IN-OUT sync MEP in the server side
 */
public abstract class AbstractInOutAsyncMessageReceiver extends AbstractMessageReceiver {
	private static final Log log = LogFactory.getLog(AbstractInOutAsyncMessageReceiver.class);

    public abstract void invokeBusinessLogic(MessageContext inMessage,
                                             MessageContext outMessage) throws AxisFault;

    public final void receive(final MessageContext messageCtx) {
        final ServerCallback callback = new ServerCallback() {
            public void handleResult(MessageContext result) throws AxisFault {
                AxisEngine engine =
                        new AxisEngine(messageCtx.getOperationContext().getServiceContext()
                                .getConfigurationContext());
                engine.send(result);
            }

            public void handleFault(AxisFault fault) throws AxisFault {
                AxisEngine engine =
                        new AxisEngine(messageCtx.getOperationContext().getServiceContext()
                                .getConfigurationContext());
                MessageContext faultContext = engine.createFaultMessageContext(messageCtx, fault);

                engine.sendFault(faultContext);
            }
        };
        Runnable theadedTask = new Runnable() {
            public void run() {
                try {
                    MessageContext newmsgCtx = Utils.createOutMessageContext(messageCtx);
                    newmsgCtx.getOperationContext().addMessageContext(newmsgCtx);
                    ThreadContextDescriptor tc = setThreadContext(messageCtx);
                    try {
                        invokeBusinessLogic(messageCtx, newmsgCtx);
                    } finally {
                        restoreThreadContext(tc);
                    }
                    callback.handleResult(newmsgCtx);
                } catch (AxisFault e) {
                    try {
                        callback.handleFault(e);
                    } catch (AxisFault axisFault) {
                        log.error(e);
                    }
                    log.error(e);
                }
            }
        };

        messageCtx.getEnvelope().build();
        messageCtx.getConfigurationContext().getThreadPool().execute(theadedTask);
    }
}