DefaultExiter.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2023 The Gridarta Developers.
 *
 * 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 2 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, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package net.sf.gridarta.mainactions;
 
import java.awt.Window;
import java.lang.reflect.InvocationTargetException;
import java.util.Collection;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.prefs.Preferences;
import javax.swing.SwingUtilities;
import net.sf.gridarta.MainControl;
import net.sf.gridarta.gui.dialog.prefs.DevPreferences;
import net.sf.gridarta.utils.ActionBuilderUtils;
import net.sf.gridarta.utils.Exiter;
import net.sf.gridarta.utils.ExiterListener;
import net.sf.japi.swing.action.ActionBuilder;
import net.sf.japi.swing.action.ActionBuilderFactory;
import org.apache.log4j.Category;
import org.apache.log4j.Logger;
import org.jetbrains.annotations.NotNull;
 
public class DefaultExiter implements Exiter {
 
    @NotNull
    private static final ActionBuilder ACTION_BUILDER = ActionBuilderFactory.getInstance().getActionBuilder("net.sf.gridarta");
 
    @NotNull
    private static final Category LOG = Logger.getLogger(DefaultExiter.class);
 
    @NotNull
    private static final Preferences PREFERENCES = Preferences.userNodeForPackage(MainControl.class);
 
    @NotNull
    private final Window mainViewFrame;
 
    @NotNull
    private final Collection<ExiterListener> exiterListeners = new CopyOnWriteArrayList<>();
 
    public DefaultExiter(@NotNull final Window mainViewFrame) {
        this.mainViewFrame = mainViewFrame;
    }
 
    @Override
    public void addExiterListener(@NotNull final ExiterListener listener) {
        exiterListeners.add(listener);
    }
 
    @Override
    public void removeExiterListener(@NotNull final ExiterListener listener) {
        exiterListeners.remove(listener);
    }
 
    @Override
    public void doExit(final int returnCode) {
        mainViewFrame.setEnabled(false);
        for (final ExiterListener listener : exiterListeners) {
            listener.preExitNotify();
        }
        for (final ExiterListener listener : exiterListeners) {
            listener.appExitNotify();
        }
        final Thread thread = new Thread(() -> {
            for (final ExiterListener listener : exiterListeners) {
                listener.waitExitNotify();
            }
            try {
                SwingUtilities.invokeAndWait(mainViewFrame::dispose);
            } catch (final InterruptedException ex) {
                Thread.currentThread().interrupt();
                LOG.warn("Cannot destroy main view: " + ex.getMessage());
            } catch (final InvocationTargetException ex) {
                LOG.warn("Cannot destroy main view: " + ex.getMessage());
            }
            callExit(returnCode);
        });
        thread.start();
    }
 
    public static void callExit(final int returnCode) {
        if (PREFERENCES.getBoolean(DevPreferences.PREFERENCES_SYSTEM_EXIT, DevPreferences.PREFERENCES_SYSTEM_EXIT_DEFAULT)) {
            if (LOG.isDebugEnabled()) {
                LOG.debug(ActionBuilderUtils.getString(ACTION_BUILDER, "logExitWithExit"));
            }
            System.exit(returnCode);
        }
        if (LOG.isDebugEnabled()) {
            LOG.debug(ActionBuilderUtils.getString(ACTION_BUILDER, "logExitWithoutExit"));
        }
    }
 
}