Netty4ProtocolEncoder.java

package code.google.nfs.rpc.netty4.serialize;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import code.google.nfs.rpc.protocol.ProtocolUtils;
/**
 * nfs-rpc
 *   Apache License
 *   
 *   http://code.google.com/p/nfs-rpc (c) 2011
 */
/**
 * Encode Message
 * 
 * @author <a href="mailto:coderplay@gmail.com">Min Zhou</a>
 */
public class Netty4ProtocolEncoder extends MessageToByteEncoder<Object> {
	@SuppressWarnings("unused")
	private static final Log LOGGER = LogFactory.getLog(Netty4ProtocolEncoder.class);
	@Override
	protected void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out)
			throws Exception {
//		if(msg instanceof ResponseWrapper) {
//			ResponseWrapper r = (ResponseWrapper) msg;
//			LOGGER.info("request id: " + r.getRequestId() + "\t len: " + r.getMessageLen() + "\t type: " + r.getCodecType()) ;
//		}
		Netty4ByteBufferWrapper byteBufferWrapper = new Netty4ByteBufferWrapper(out);
		ProtocolUtils.encode(msg, byteBufferWrapper);
	}

}