Java tutorial
/* * This file is part of mongowp. * * mongowp is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * mongowp is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with mongowp. If not, see <http://www.gnu.org/licenses/>. * * Copyright (c) 2014, 8Kdata Technology * */ package com.eightkdata.mongowp.mongoserver.encoder; import com.eightkdata.mongowp.messages.response.ReplyMessage; import com.eightkdata.mongowp.messages.response.ResponseOpCode; import com.eightkdata.mongowp.messages.util.EnumInt32FlagsUtil; import com.eightkdata.nettybson.api.BSONDocument; import io.netty.buffer.ByteBuf; /** * */ public class ReplyMessageEncoder { public static void encodeMessageHeader(ByteBuf buffer, ReplyMessage message, int requestId) { buffer.writeInt(requestId); buffer.writeInt(message.getResponseTo()); buffer.writeInt(ResponseOpCode.OP_REPLY.getOpCode()); } public static void encodeMessageBody(ByteBuf buffer, ReplyMessage message) { buffer.writeInt(EnumInt32FlagsUtil.getInt32Flags(message.getFlags())); buffer.writeLong(message.getCursorId()); buffer.writeInt(message.getStartingFrom()); buffer.writeInt(message.getDocuments().size()); for (BSONDocument document : message.getDocuments()) { document.writeToByteBuf(buffer); } } }