Java tutorial
/* Licensed to Diennea S.r.l. under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. Diennea S.r.l. licenses this file to you 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 blazingcache.network.netty; import blazingcache.network.Message; import io.netty.buffer.ByteBuf; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.ChannelOutboundHandlerAdapter; import io.netty.channel.ChannelPromise; import java.nio.charset.StandardCharsets; /** * Encodes messages to bytes * * @author enrico.olivelli */ public class DataMessageEncoder extends ChannelOutboundHandlerAdapter { @Override public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) { Message m = (Message) msg; ByteBuf encoded = ctx.alloc().buffer(); DodoMessageUtils.encodeMessage(encoded, m); ctx.writeAndFlush(encoded, promise); } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { cause.printStackTrace(); } }