Config.java :  » Mail-Clients » columba-1.4 » org » columba » calendar » config » Java Open Source

// The contents of this file are subject to the Mozilla Public License Version
// 1.1
//(the "License"); you may not use this file except in compliance with the
//License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
//
//Software distributed under the License is distributed on an "AS IS" basis,
//WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
//for the specific language governing rights and
//limitations under the License.
//
//The Original Code is "The Columba Project"
//
//The Initial Developers of the Original Code are Frederik Dietz and Timo
// Stich.
//Portions created by Frederik Dietz and Timo Stich are Copyright (C) 2003.
//
//All Rights Reserved.
package org.columba.calendar.config;

import java.awt.Color;
import java.io.File;

import org.columba.calendar.base.api.ICalendarItem;
import org.columba.calendar.config.api.ICalendarList;
import org.columba.calendar.config.api.IConfig;
import org.columba.core.config.DefaultConfigDirectory;
import org.columba.core.io.DiskIO;
import org.columba.core.shutdown.ShutdownManager;

public class Config implements IConfig {

  private ICalendarList calendarList;

  private static Config instance;

  private XMLPersistence persistence;

  private File calendarDirectory;

  private Config() throws Exception {

    // get Columba's top-level configuration directory
    File file = DefaultConfigDirectory.getDefaultPath();

    // create top-level configuration directory
    calendarDirectory = new File(file, "calendar");
    DiskIO.ensureDirectory(calendarDirectory);
    persistence = new XMLPersistence(calendarDirectory);

    // load configuration from persistence
    boolean success = persistence.load();
    if ( success == false) {
      createDefaults();
    }

    // make sure configuration is saved when exiting
    ShutdownManager.getInstance().register(new Runnable() {
      public void run() {
        try {
          persistence.save();
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    });

  }

  public static IConfig getInstance() {
    if (instance == null) {
      try {
        instance = new Config();
      } catch (Exception e) {
        e.printStackTrace();
      }
    }

    return instance;
  }

  private void createDefaults() {
    calendarList = new CalendarList();

    calendarList.add("private", ICalendarItem.TYPE.LOCAL, "Private", new Color(-19276));
    calendarList.add("work", ICalendarItem.TYPE.LOCAL, "Work", new Color(-4915276));
  }

  public ICalendarList getCalendarList() {
    return calendarList;
  }

  public File getConfigDirectory() {
    return calendarDirectory;
  }

}