Java tutorial
/* * MIT License * * Copyright (c) 2016 Asynchronous Game Query Library * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.ibasco.agql.protocols.valve.steam.master.packets; import com.ibasco.agql.core.Decodable; import com.ibasco.agql.protocols.valve.steam.master.MasterServerPacket; import io.netty.buffer.ByteBuf; import java.net.InetSocketAddress; import java.util.Vector; public class MasterServerResponsePacket extends MasterServerPacket implements Decodable<Vector<InetSocketAddress>> { private Vector<InetSocketAddress> servers; private StringBuffer ip; public MasterServerResponsePacket() { servers = new Vector<>(); ip = new StringBuffer(); } @Override public Vector<InetSocketAddress> toObject() { ByteBuf data = getPayloadBuffer(); //Clear the list servers.clear(); int firstOctet, secondOctet, thirdOctet, fourthOctet, portNumber; //Process the content containing list of source ips do { //Clear string ip.setLength(0); firstOctet = data.readByte() & 0xFF; secondOctet = data.readByte() & 0xFF; thirdOctet = data.readByte() & 0xFF; fourthOctet = data.readByte() & 0xFF; portNumber = data.readShort() & 0xFFFF; //Build our ip string ip.append(firstOctet).append(".").append(secondOctet).append(".").append(thirdOctet).append(".") .append(fourthOctet); //Add to the list servers.add(new InetSocketAddress(ip.toString(), portNumber)); //Append port number ip.append(":").append(portNumber); } while (data.readableBytes() > 0); return servers; } }