/home/leaf/crossfire/jxclient/trunk/gui/src/main/java/com/realtime/crossfire/jxclient/stats/PoisonWatcher.java

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/*
 * This file is part of JXClient, the Fullscreen Java Crossfire Client.
 *
 * JXClient 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 2 of the License, or
 * (at your option) any later version.
 *
 * JXClient 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 JXClient; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Copyright (C) 2005-2008 Yann Chachkoff.
 * Copyright (C) 2006-2011 Andreas Kirschbaum.
 */

package com.realtime.crossfire.jxclient.stats;

import com.realtime.crossfire.jxclient.server.crossfire.CrossfireDrawextinfoListener;
import com.realtime.crossfire.jxclient.server.crossfire.CrossfireDrawinfoListener;
import com.realtime.crossfire.jxclient.server.crossfire.CrossfireServerConnection;
import com.realtime.crossfire.jxclient.timeouts.TimeoutEvent;
import com.realtime.crossfire.jxclient.timeouts.Timeouts;
import org.jetbrains.annotations.NotNull;

public class PoisonWatcher {

    private static final int TIMEOUT_DE_ASSERT = 10000;

    @NotNull
    private static final String ASSERT_MESSAGE = "You feel very sick...";

    @NotNull
    private static final String DE_ASSERT_MESSAGE = "You feel much better now.";

    @NotNull
    private static final String CURE_MESSAGE = "Your body feels cleansed";

    @NotNull
    private final Object sync = new Object();

    @NotNull
    private final Stats stats;

    private boolean active = true;

    @NotNull
    private final CrossfireDrawinfoListener drawinfoListener = new CrossfireDrawinfoListener() {

        @Override
        public void commandDrawinfoReceived(@NotNull final String text, final int type) {
            check(text);
        }

    };

    @NotNull
    private final CrossfireDrawextinfoListener drawextinfoListener = new CrossfireDrawextinfoListener() {

        @Override
        public void commandDrawextinfoReceived(final int color, final int type, final int subtype, @NotNull final String message) {
            check(message);
        }

        @Override
        public void setDebugMode(final boolean printMessageTypes) {
            // ignore
        }

    };

    @NotNull
    private final TimeoutEvent timeoutEvent = new TimeoutEvent() {

        @Override
        public void timeout() {
            setActive(false);
        }

    };

    public PoisonWatcher(@NotNull final Stats stats, @NotNull final CrossfireServerConnection crossfireServerConnection) {
        this.stats = stats;
        crossfireServerConnection.addCrossfireDrawinfoListener(drawinfoListener);
        crossfireServerConnection.addCrossfireDrawextinfoListener(drawextinfoListener);
        setActive(false);
    }

    private void check(@NotNull final String message) {
        if (message.equals(ASSERT_MESSAGE)) {
            setActive(true);
        } else if (message.equals(DE_ASSERT_MESSAGE) || message.equals(CURE_MESSAGE)) {
            setActive(false);
        }
    }

    private void setActive(final boolean active) {
        synchronized (sync) {
            if (active) {
                Timeouts.reset(TIMEOUT_DE_ASSERT, timeoutEvent);
            } else {
                Timeouts.remove(timeoutEvent);
            }

            if (this.active == active) {
                return;
            }

            this.active = active;
            stats.setStat(Stats.C_STAT_POISONED, active ? 1 : 0);
        }
    }

}

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