[Bprocessor-commit] gui/src/net/sourceforge/bprocessor/gui/properties Settings.java,NONE,1.1 package.html,NONE,1.1

[Jesper P. <je...@us...>]

Update of /cvsroot/bprocessor/gui/src/net/sourceforge/bprocessor/gui/properties
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv3481

Added Files:
	Settings.java package.html 
Log Message:
Initial import

--- NEW FILE: package.html ---
<body>
This packages contains classes that are used for the users properties
</body>

--- NEW FILE: Settings.java ---
//---------------------------------------------------------------------------------
// $Id: Settings.java,v 1.1 2005/08/04 06:06:26 jews Exp $
//
// Copyright (c) 2005      The BProcessor Team (http://bprocessor.sourceforge.net) 
// Released under the Lesser GNU Public License v2.1
//---------------------------------------------------------------------------------
package net.sourceforge.bprocessor.gui.properties;

import net.sourceforge.bprocessor.model.db.Database;
import net.sourceforge.bprocessor.model.db.DatabaseFactory;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Properties;

import org.apache.log4j.Logger;

/**
 * The settings class
 */
public class Settings extends Properties {
  /** The logger */
  private static Logger log = Logger.getLogger(Settings.class);
  
  /** The singleton instance */
  private static Settings instance;

  /** DATABASE_NAME */
  public static final String DATABASE_NAME = "database.name";

  /** DATABASE_TYPE */
  public static final String DATABASE_TYPE = "database.type";

  /** CONNECTION_URL */
  public static final String CONNECTION_URL = "connection.url";

  /** CONNECTION_USER */
  public static final String CONNECTION_USER = "connection.user";

  /** CONNECTION_PASSWORD */
  public static final String CONNECTION_PASSWORD = "connection.password";

  /** CONNECTION_AUTODROP */
  public static final String CONNECTION_AUTODROP = "connection.autodrop";

  /**
   * Constructor for Settings
   */
  private Settings() {
  }

  /**
   * Get the instance
   * @return The instance
   */
  public static synchronized Settings getInstance() {
    if (instance == null) {
      instance = new Settings();
    }
    return instance;
  }

  /**
   * Load the settings
   */
  public synchronized void load() {
    try {
      super.clear();
      super.load(new FileInputStream("bprocessor.properties"));
      apply();
    } catch (Exception e) {
      log.error("The settings could not be loaded: " + e.getMessage());
      log.warn("Using default settings");
      defaultSettings();
    }
  }

  /**
   * Save the settings
   */
  public synchronized void save() {
    try {
      super.store(new FileOutputStream("bprocessor.properties"), "BProcessor");
    } catch (Exception e) {
      log.error("The settings could not be saved", e);
    }
  }

  /**
   * Apply settings
   */
  public synchronized void apply() {
    int type = Integer.parseInt(getProperty(DATABASE_TYPE));
    String url = getProperty(CONNECTION_URL);
    String user = getProperty(CONNECTION_USER);
    String password = getProperty(CONNECTION_PASSWORD);
    boolean autodrop = Boolean.valueOf(getProperty(CONNECTION_AUTODROP)).booleanValue();

    DatabaseFactory.getInstance().setDatabase(type, url, user, password, autodrop);
  }

  /**
   * Default settings
   */
  private void defaultSettings() {
    clear();

    Database db = DatabaseFactory.getInstance().getDatabase();

    setProperty(DATABASE_NAME, db.getName());
    setProperty(DATABASE_TYPE, Integer.toString(db.getType()));
    setProperty(CONNECTION_URL, db.getUrl());
    setProperty(CONNECTION_USER, db.getUser());
    setProperty(CONNECTION_PASSWORD, db.getPassword());
    setProperty(CONNECTION_AUTODROP, Boolean.toString(db.getAutodrop()));
  }
}