1 /*
   2  * Copyright (c) 1996, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.beans;
  27 
  28 /**
  29  * A customizer class provides a complete custom GUI for customizing
  30  * a target Java Bean.
  31  * <P>
  32  * Each customizer should inherit from the java.awt.Component class so
  33  * it can be instantiated inside an AWT dialog or panel.
  34  * <P>
  35  * Each customizer should have a null constructor.
  36  */
  37 
  38 public interface Customizer {
  39 
  40     /**
  41      * Set the object to be customized.  This method should be called only
  42      * once, before the Customizer has been added to any parent AWT container.
  43      * @param bean  The object to be customized.
  44      */
  45     void setObject(Object bean);
  46 
  47     /**
  48      * Register a listener for the PropertyChange event.  The customizer
  49      * should fire a PropertyChange event whenever it changes the target
  50      * bean in a way that might require the displayed properties to be
  51      * refreshed.
  52      *
  53      * @param listener  An object to be invoked when a PropertyChange
  54      *          event is fired.
  55      */
  56      void addPropertyChangeListener(PropertyChangeListener listener);
  57 
  58     /**
  59      * Remove a listener for the PropertyChange event.
  60      *
  61      * @param listener  The PropertyChange listener to be removed.
  62      */
  63     void removePropertyChangeListener(PropertyChangeListener listener);
  64 
  65 }