Java tutorial
/******************************************************************************* * Copyright (c) 2007, 2014 Massimiliano Ziccardi * * 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 it.jnrpe.net; import io.netty.buffer.ByteBuf; import io.netty.channel.ChannelHandlerContext; import io.netty.handler.codec.MessageToByteEncoder; /** * This object is inserted inside the NETTY pipeline to create serialize a * {@link JNRPEResponse} object. * * @author Massimiliano Ziccardi * * @version $Revision: 1.0 $ */ public class JNRPEResponseEncoder extends MessageToByteEncoder<JNRPEResponse> { /** * Constructor. */ public JNRPEResponseEncoder() { } /** * Method encode. * @param ctx ChannelHandlerContext * @param msg JNRPEResponse * @param out ByteBuf * @throws Exception */ @Override protected final void encode(final ChannelHandlerContext ctx, final JNRPEResponse msg, final ByteBuf out) throws Exception { msg.updateCRC(); out.writeShort(msg.getPacketVersion().intValue()); out.writeShort(msg.getPacketType().intValue()); out.writeInt(msg.getCRC()); out.writeShort(msg.getResultCode()); out.writeBytes(msg.getBuffer()); out.writeBytes(msg.getDummy()); } }