/*
* @(#) $Id: NettyEncoder.java 389055 2006-03-27 08:06:27Z trustin $
*
* 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.mina.filter.codec.netty;
import net.gleamynode.netty2.Message;
import org.apache.mina.common.ByteBuffer;
import org.apache.mina.common.IoSession;
import org.apache.mina.filter.codec.ProtocolEncoderException;
import org.apache.mina.filter.codec.ProtocolEncoderOutput;
/**
* A MINA <tt>ProtocolEncoder</tt> that encodes Netty2 {@link Message}s
* into byte buffers.
*
* @author The Apache Directory Project (mina-dev@directory.apache.org)
* @version $Rev: 389055 $, $Date: 2006-03-27 17:06:27 +0900 (Mon, 27 Mar 2006) $,
*/
public class NettyEncoder implements org.apache.mina.filter.codec.ProtocolEncoder
{
/**
* Creates a new instance.
*/
public NettyEncoder()
{
}
public void encode(IoSession session, Object message, ProtocolEncoderOutput out) throws Exception {
if( ! ( message instanceof Message ) )
{
throw new ProtocolEncoderException("This encoder can decode only Netty Messages." );
}
for( ;; )
{
ByteBuffer buf = ByteBuffer.allocate( 8192 );
Message m = ( Message ) message;
try
{
if( m.write( buf.buf() ) )
{
break;
}
}
finally
{
buf.flip();
if( buf.hasRemaining() )
{
out.write( buf );
}
else
{
buf.release();
}
}
}
}
public void dispose(IoSession session) throws Exception {
}
}