/*
 * Copyright (c) 1998-2002 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source 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.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *   Free SoftwareFoundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package javax.management;

import java.util.Vector;

/**
 * Support for notification filters.
 */
public class NotificationFilterSupport
  implements NotificationFilter, java.io.Serializable {
  private Vector enabledTypes;
  
  /**
   * Create an TypeChangeNotification filter.
   */
  public NotificationFilterSupport()
  {
    enabledTypes = new Vector();
  }
  
  /**
   * Disables all typesn.
   *
   * @param name the type to disable.
   */
  public void disableAllTypes()
  {
    enabledTypes.clear();
  }
  
  /**
   * Disable an type.
   *
   * @param name the type to disable.
   */
  public void disableType(String name)
  {
    enabledTypes.remove(name);
  }
  
  /**
   * Enable an type.
   *
   * @param name the type to enable.
   */
  public void enableType(String name)
  {
    if (! enabledTypes.contains(name))
      enabledTypes.add(name);
  }
  
  /**
   * Return the enabled attibute names.
   *
   * @return the type name vector.
   */
  public Vector getEnabledTypes()
  {
    return enabledTypes;
  }

  /**
   * Returns true if this type is on we're interested in.
   */
  public boolean isNotificationEnabled(Notification notification)
  {
    return enabledTypes.contains(notification.getType());
  }
}
