104 lines
3.3 KiB
Java
104 lines
3.3 KiB
Java
/*
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Copyright Paul James Mutton, 2001-2007, http://www.jibble.org/
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This file is part of PircBot.
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This software is dual-licensed, allowing you to choose between the GNU
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General Public License (GPL) and the www.jibble.org Commercial License.
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Since the GPL may be too restrictive for use in a proprietary application,
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a commercial license is also provided. Full license information can be
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found at http://www.jibble.org/licenses/
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*/
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package org.jibble.pircbot;
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import java.io.*;
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/**
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* A Thread which is responsible for sending messages to the IRC server.
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* Messages are obtained from the outgoing message queue and sent
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* immediately if possible. If there is a flood of messages, then to
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* avoid getting kicked from a channel, we put a small delay between
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* each one.
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*
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* @author Paul James Mutton,
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* <a href="http://www.jibble.org/">http://www.jibble.org/</a>
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* @version 1.4.6 (Build time: Wed Apr 11 19:20:59 2007)
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*/
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public class OutputThread extends Thread {
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/**
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* Constructs an OutputThread for the underlying PircBot. All messages
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* sent to the IRC server are sent by this OutputThread to avoid hammering
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* the server. Messages are sent immediately if possible. If there are
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* multiple messages queued, then there is a delay imposed.
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*
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* @param bot The underlying PircBot instance.
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* @param outQueue The Queue from which we will obtain our messages.
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*/
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OutputThread(PircBot bot, Queue outQueue) {
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_bot = bot;
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_outQueue = outQueue;
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this.setName(this.getClass() + "-Thread");
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}
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/**
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* A static method to write a line to a BufferedOutputStream and then pass
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* the line to the log method of the supplied PircBot instance.
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*
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* @param bot The underlying PircBot instance.
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* @param out The BufferedOutputStream to write to.
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* @param line The line to be written. "\r\n" is appended to the end.
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* @param encoding The charset to use when encoing this string into a
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* byte array.
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*/
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static void sendRawLine(PircBot bot, BufferedWriter bwriter, String line) {
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if (line.length() > bot.getMaxLineLength() - 2) {
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line = line.substring(0, bot.getMaxLineLength() - 2);
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}
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synchronized(bwriter) {
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try {
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bwriter.write(line + "\r\n");
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bwriter.flush();
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}
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catch (Exception e) {
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// Silent response - just lose the line.
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}
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}
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}
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/**
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* This method starts the Thread consuming from the outgoing message
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* Queue and sending lines to the server.
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*/
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public void run() {
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try {
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boolean running = true;
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while (running) {
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// Small delay to prevent spamming of the channel
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Thread.sleep(_bot.getMessageDelay());
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String line = (String) _outQueue.next();
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if (line != null) {
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_bot.sendRawLine(line);
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}
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else {
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running = false;
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}
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}
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}
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catch (InterruptedException e) {
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// Just let the method return naturally...
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}
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}
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private PircBot _bot = null;
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private Queue _outQueue = null;
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}
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