2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.protocol.framework;
10 import io.netty.buffer.ByteBuf;
11 import io.netty.channel.ChannelHandler.Sharable;
12 import io.netty.channel.ChannelHandlerContext;
13 import io.netty.handler.codec.MessageToByteEncoder;
15 import org.slf4j.Logger;
16 import org.slf4j.LoggerFactory;
19 public final class ProtocolMessageEncoder<T extends ProtocolMessage> extends MessageToByteEncoder<Object> {
21 private final static Logger logger = LoggerFactory.getLogger(ProtocolMessageEncoder.class);
23 private final ProtocolMessageFactory<T> factory;
25 public ProtocolMessageEncoder(final ProtocolMessageFactory<T> factory) {
26 this.factory = factory;
30 protected void encode(final ChannelHandlerContext ctx, final Object msg, final ByteBuf out) throws Exception {
31 logger.debug("Sent to encode : {}", msg);
32 final byte[] bytes = this.factory.put((T) msg);
33 out.writeBytes(bytes);