org.mule.extras.spring.remoting.ObjectToRemoteInvocationTransformer Maven / Gradle / Ivy

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Non-core functionality provided by Spring such as transactions, remoting, data sources, etc.

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/*
 * $Id: ObjectToRemoteInvocationTransformer.java 8077 2007-08-27 20:15:25Z aperepel $
 * --------------------------------------------------------------------------------------
 * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
 *
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

package org.mule.extras.spring.remoting;

import org.mule.transformers.AbstractTransformer;
import org.mule.umo.transformer.TransformerException;

import java.io.ByteArrayInputStream;
import java.io.ObjectInputStream;

import org.springframework.remoting.support.RemoteInvocation;

public class ObjectToRemoteInvocationTransformer extends AbstractTransformer
{

    public ObjectToRemoteInvocationTransformer()
    {
        super();
        this.registerSourceType(RemoteInvocation.class);
        this.registerSourceType(byte[].class);
        this.setReturnClass(RemoteInvocation.class);
    }

    protected Object doTransform(Object src, String encoding) throws TransformerException
    {
        if (src instanceof RemoteInvocation)
        {
            return src;
        }

        try
        {
            byte[] data = (byte[])src;
            ByteArrayInputStream bais = new ByteArrayInputStream(data);
            ObjectInputStream ois = new ObjectInputStream(bais);
            Object o = ois.readObject();
            RemoteInvocation ri = (RemoteInvocation)o;
            if (logger.isDebugEnabled())
            {
                logger.debug("request to execute " + ri.getMethodName());
                for (int i = 0; i < ri.getArguments().length; i++)
                {
                    Object a = ri.getArguments()[i];
                    logger.debug("with argument (" + a.toString() + ")");
                }
            }
            return ri;
        }
        catch (Exception e)
        {
            throw new TransformerException(this, e);
        }
    }

}