/*********************************************************************
* InJvmProcessor.java
* created on 22.05.2007 by netseeker
* $Id: InJvmProcessor.java,v 1.2 2007/05/27 22:13:09 netseeker Exp $
* $Log: InJvmProcessor.java,v $
* Revision 1.2 2007/05/27 22:13:09 netseeker
* *** empty log message ***
*
* Revision 1.1 2007/05/22 22:50:46 netseeker
* added In-JVM processing mode, fixed a minor bug within the serverside detection of ADAPTER_STRATEGY_DIRECT.
*
*
* ====================================================================
*
* Copyright 2005-2006 netseeker aka Michael Manske
*
* 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.
* ====================================================================
*
* This file is part of the EJOE framework.
* For more information on the author, please see
* <http://www.manskes.de/>.
*
*********************************************************************/
package de.netseeker.ejoe.core;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import de.netseeker.ejoe.ConnectionHeader;
import de.netseeker.ejoe.IServerInfo;
import de.netseeker.ejoe.ServerInfo;
import de.netseeker.ejoe.adapter.AdapterFactory;
import de.netseeker.ejoe.adapter.SerializeAdapter;
import de.netseeker.ejoe.io.IOUtil;
/**
* An In-JVM solution using Piped-Streams to communicate directly with the ServerHandler of a local EJServer.
*
* @author netseeker
* @since 0.3.9.3
*/
public class InJvmProcessor extends ConnectionReader
{
/**
* Creates a new instance of InJvmProcessor
*
* @param receiverInfo server connection header
* @param senderInfo client connection header
*/
public InJvmProcessor(IServerInfo receiverInfo, ConnectionHeader senderInfo)
{
super( null, (ServerInfo) receiverInfo, senderInfo );
}
/**
* Processes a client request directly with the ServerHandler of a local (within the same JVM) EJServer
*
* @param param client request
* @return the answer returned by the local EJServer instance
* @throws Exception
*/
public Object process( Object param ) throws Exception
{
ByteArrayInputStream in =null;
ByteArrayOutputStream out = null;
SerializeAdapter adapter = AdapterFactory.createAdapter( getSenderInfo().getAdapterName() );
Object request = null;
Object result = null;
boolean compressed = getSenderInfo().hasCompression() && getReceiverInfo().hasCompression();
if ( !getSenderInfo().isDirect() )
{
try
{
out = new ByteArrayOutputStream();
IOUtil.adapterSerialize( adapter, out, param, compressed, getSenderInfo().getCompressionLevel() );
in = new ByteArrayInputStream(out.toByteArray());
request = IOUtil.adapterDeserialize( adapter, in, compressed );
}
finally
{
IOUtil.closeQuiet( in );
IOUtil.closeQuiet( out );
}
}
else
{
request = param;
}
result = handleObject( request );
if ( !getSenderInfo().isDirect() )
{
try
{
out = new ByteArrayOutputStream();
IOUtil.adapterSerialize( adapter, out, result, compressed, getSenderInfo().getCompressionLevel() );
in = new ByteArrayInputStream(out.toByteArray());
result = IOUtil.adapterDeserialize( adapter, in, compressed );
}
finally
{
IOUtil.closeQuiet( in );
IOUtil.closeQuiet( out );
}
}
return result;
}
}