/*
* $Id: ObjectToRemoteInvocationTransformer.java 19250 2010-08-30 16:53:14Z dirk.olmes $
* --------------------------------------------------------------------------------------
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.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.module.spring.remoting;
import org.mule.api.transformer.TransformerException;
import org.mule.transformer.AbstractTransformer;
import org.mule.transformer.types.DataTypeFactory;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.ObjectInputStream;
import org.springframework.remoting.support.RemoteInvocation;
/**
* Transforms a byte[] into an ObjectInputStream and then into a Spring RemoteInvocation instance.
*/
public class ObjectToRemoteInvocationTransformer extends AbstractTransformer
{
public ObjectToRemoteInvocationTransformer()
{
super();
this.registerSourceType(DataTypeFactory.create(RemoteInvocation.class));
this.registerSourceType(DataTypeFactory.BYTE_ARRAY);
this.registerSourceType(DataTypeFactory.INPUT_STREAM);
this.setReturnDataType(DataTypeFactory.create(RemoteInvocation.class));
}
@Override
protected Object doTransform(Object src, String encoding) throws TransformerException
{
if (src instanceof RemoteInvocation)
{
return src;
}
Object o = null;
if (src instanceof InputStream)
{
try
{
o = new ObjectInputStream((InputStream) src).readObject();
}
catch (Exception e)
{
throw new TransformerException(this, e);
}
}
else
{
byte[] data = (byte[]) src;
ByteArrayInputStream bais = new ByteArrayInputStream(data);
try
{
ObjectInputStream ois = new ObjectInputStream(bais);
o = ois.readObject();
}
catch (Exception e)
{
throw new TransformerException(this, e);
}
}
RemoteInvocation ri = (RemoteInvocation) o;
if (logger.isDebugEnabled())
{
logger.debug("request to execute " + ri.getMethodName());
for (int i = 0; i < ri.getArguments().length; i++)
{
Object currentArgument = ri.getArguments()[i];
StringBuilder buf = new StringBuilder(64);
buf.append("with argument (");
buf.append(currentArgument == null ? "<null>" : currentArgument.toString());
buf.append(")");
logger.debug(buf);
}
}
return ri;
}
}