140 lines
3.3 KiB
Java
140 lines
3.3 KiB
Java
/*
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* Copyright (C) 2004-2014 L2J Server
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*
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* This file is part of L2J Server.
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*
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* L2J Server is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* L2J Server is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.l2jserver.util.network;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.util.logging.Logger;
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/**
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* This class ...
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* @version $Revision: 1.2.4.1 $ $Date: 2005/03/27 15:30:11 $
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*/
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public abstract class BaseSendablePacket
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{
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private static final Logger _log = Logger.getLogger(BaseSendablePacket.class.getName());
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private final ByteArrayOutputStream _bao;
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protected BaseSendablePacket()
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{
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_bao = new ByteArrayOutputStream();
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}
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protected void writeD(int value)
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{
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_bao.write(value & 0xff);
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_bao.write((value >> 8) & 0xff);
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_bao.write((value >> 16) & 0xff);
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_bao.write((value >> 24) & 0xff);
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}
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protected void writeH(int value)
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{
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_bao.write(value & 0xff);
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_bao.write((value >> 8) & 0xff);
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}
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protected void writeC(int value)
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{
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_bao.write(value & 0xff);
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}
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protected void writeF(double org)
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{
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long value = Double.doubleToRawLongBits(org);
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_bao.write((int) (value & 0xff));
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_bao.write((int) ((value >> 8) & 0xff));
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_bao.write((int) ((value >> 16) & 0xff));
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_bao.write((int) ((value >> 24) & 0xff));
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_bao.write((int) ((value >> 32) & 0xff));
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_bao.write((int) ((value >> 40) & 0xff));
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_bao.write((int) ((value >> 48) & 0xff));
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_bao.write((int) ((value >> 56) & 0xff));
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}
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protected void writeS(String text)
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{
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try
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{
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if (text != null)
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{
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_bao.write(text.getBytes("UTF-16LE"));
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}
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}
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catch (Exception e)
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{
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_log.warning(getClass().getSimpleName() + ": " + e.getMessage());
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}
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_bao.write(0);
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_bao.write(0);
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}
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protected void writeB(byte[] array)
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{
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try
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{
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_bao.write(array);
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}
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catch (IOException e)
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{
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_log.warning(getClass().getSimpleName() + ": " + e.getMessage());
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}
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}
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protected void writeQ(long value)
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{
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_bao.write((int) (value & 0xff));
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_bao.write((int) ((value >> 8) & 0xff));
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_bao.write((int) ((value >> 16) & 0xff));
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_bao.write((int) ((value >> 24) & 0xff));
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_bao.write((int) ((value >> 32) & 0xff));
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_bao.write((int) ((value >> 40) & 0xff));
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_bao.write((int) ((value >> 48) & 0xff));
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_bao.write((int) ((value >> 56) & 0xff));
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}
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public int getLength()
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{
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return _bao.size() + 2;
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}
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public byte[] getBytes()
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{
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// if (this instanceof Init)
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// writeD(0x00); //reserve for XOR initial key
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writeD(0x00); // reserve for checksum
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int padding = _bao.size() % 8;
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if (padding != 0)
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{
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for (int i = padding; i < 8; i++)
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{
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writeC(0x00);
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}
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}
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return _bao.toByteArray();
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}
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public abstract byte[] getContent() throws IOException;
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}
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