package org.jtheque.core.managers.update;

 import org.jdesktop.swingx.event.WeakEventListenerList;

 import org.jtheque.utils.bean.Version;

 /*

  * This file is part of JTheque.

  *

  * JTheque 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 3 of the License.

  *

  * JTheque 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 JTheque.  If not, see <http://www.gnu.org/licenses/>.

  */

 /**

  * An abstract updatable.

  *

  * @author Baptiste Wicht

  */

 public abstract class AbstractUpdatable implements Updatable {

     private final String key;

     private final String name;

     private Version version;

     private final WeakEventListenerList listenerList;

     /**

      * Construct a new AbstractUpdatable.

      *

      * @param name The name of the updatable.

      * @param key  The internationalization key.

      */

     protected AbstractUpdatable(String name, String key) {

         super();

         this.key = key;

         this.name = name;

         listenerList = new WeakEventListenerList();

     }

     @Override

     public final void addUpdateListener(UpdateListener listener) {

         listenerList.add(UpdateListener.class, listener);

     }

     @Override

     public final void removeUpdateListener(UpdateListener listener) {

         listenerList.remove(UpdateListener.class, listener);

     }

     @Override

     public final void setUpdated() {

         fireUpdated();

     }

     /**

      * Fire an updated event.

      */

     private void fireUpdated() {

         UpdateListener[] listeners = listenerList.getListeners(UpdateListener.class);

         for (UpdateListener l : listeners) {

             l.updated();

         }

     }

     @Override

     public final void setVersion(Version version) {

         this.version = version;

     }

     @Override

     public final Version getVersion() {

         return version;

     }

     @Override

     public final String getKey() {

         return key;

     }

     @Override

     public final String getName() {

         return name;

     }

 }