dev.maisentito.suca.commands.TimerCommandHandler.java Source code

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Here is the source code for dev.maisentito.suca.commands.TimerCommandHandler.java

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/*
 * TimerCommandHandler.java
 *
 * Copyright (c) 2015  forsenonlhaimaisentito
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package dev.maisentito.suca.commands;

import dev.maisentito.suca.util.BotCommand;
import dev.maisentito.suca.util.Bundle;
import org.apache.commons.lang3.StringUtils;
import org.pircbotx.Channel;
import org.pircbotx.User;
import org.pircbotx.hooks.events.MessageEvent;

import java.util.*;

@BotCommand(name = "timer", minArgc = 2, help = "sets a timer, usage (DELAY is in seconds): !timer DELAY MESSAGE")
public class TimerCommandHandler extends BotCommands.CommandHandler {
    private Timer mTimer;
    private List<UserTimer> mTasks;

    public TimerCommandHandler(Bundle globals) {
        super(globals);
        mTimer = new Timer(TimerCommandHandler.class.getSimpleName());
        mTasks = Collections.synchronizedList(new LinkedList<UserTimer>());
    }

    @Override
    public synchronized void handleCommand(final MessageEvent event, String[] args) throws Throwable {
        long ms;
        try {
            ms = Long.parseLong(args[0]) * 1000;
        } catch (NumberFormatException e) {
            event.respond("timer: invalid delay");
            return;
        }

        for (UserTimer task : mTasks) {
            if (task.getOwner().equals(event.getUser())) {
                task.cancel();
                mTasks.remove(task);
                event.respond("previous timer cancelled");
            }
        }

        UserTimer task = new UserTimer(event.getUser(), event.getChannel(),
                StringUtils.join(args, ' ', 1, args.length));
        mTimer.schedule(task, ms);
        mTasks.add(task);
        event.respond("timer started");
    }

    class UserTimer extends TimerTask {
        private User mOwner;
        private Channel mChannel;
        private String mMessage;

        public UserTimer(User owner, Channel channel, String message) {
            super();
            mOwner = owner;
            mChannel = channel;
            mMessage = message;
        }

        public User getOwner() {
            return mOwner;
        }

        @Override
        public void run() {
            TimerCommandHandler.this.mTasks.remove(this);
            mChannel.send().message(mOwner, "timer: " + mMessage);
        }
    }
}