de.tbuchloh.kiskis.gui.systray.SystemTrayFactory.java Source code

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Here is the source code for de.tbuchloh.kiskis.gui.systray.SystemTrayFactory.java

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/*
 * Copyright (C) 2004 by Tobias Buchloh.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this program; if not, write to the Free
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.sourceforge.net/projects/KisKis
 */

package de.tbuchloh.kiskis.gui.systray;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * <b>SystemTrayFactory</b>:
 * 
 * @author gandalf
 * @version $Id: SystemTrayFactory.java,v 1.8 2007/02/18 14:38:16 tbuchloh Exp $
 */
public final class SystemTrayFactory {

    private static final class DummySystray implements ISystemTray {

        /**
         * Overridden!
         * 
         * @see de.tbuchloh.kiskis.gui.systray.ISystemTray#dispose()
         */
        public void dispose() {
            // does nothing
        }

        /**
         * Overridden!
         * 
         * @see de.tbuchloh.kiskis.gui.systray.ISystemTray#isValid()
         */
        public boolean isValid() {
            return false;
        }

        /**
         * Overridden!
         * 
         * @see de.tbuchloh.kiskis.gui.systray.ISystemTray#show()
         */
        public void show() {
            // does nothing
        }

    }

    private static final Log LOG = LogFactory.getLog(SystemTrayFactory.class);

    /**
     * @param main
     *            is the frame to control.
     * @return a corresponding system tray depending on the underlying os.
     */
    public static ISystemTray create(final IMainFrame main) {
        try {
            return new Java6SystemTray(main);
        } catch (final Throwable e) {
            LOG.warn("Could not instantiate system tray " + "- perhaps SWT is not installed!\n" + e.getMessage());
            return new DummySystray();
        }
    }

    /**
     * creates a new SystemTrayFactory
     */
    protected SystemTrayFactory() {
        super();
    }

}