01: /*
02: * Copyright (c) 2002-2007 JGoodies Karsten Lentzsch. All Rights Reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * o Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * o Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * o Neither the name of JGoodies Karsten Lentzsch nor the names of
15: * its contributors may be used to endorse or promote products derived
16: * from this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20: * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
22: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29: */
30:
31: package com.jgoodies.binding.beans;
32:
33: import java.beans.PropertyChangeListener;
34:
35: /**
36: * Describes objects that provide bound properties as specified in the
37: * <a href="http://java.sun.com/products/javabeans/docs/spec.html">Java
38: * Bean Specification</a>.
39: * This interface is primarily intended to ensure compile-time safety
40: * for beans that shall be observed by a {@link BeanAdapter} or
41: * {@link PropertyAdapter}. However, these classes can observe beans
42: * that follow the Bean specification for bound properties
43: * - even if the beans don't implement this Observable interface.
44: *
45: * @author Karsten Lentzsch
46: * @version $Revision: 1.5 $
47: *
48: * @see PropertyChangeListener
49: * @see java.beans.PropertyChangeEvent
50: * @see java.beans.PropertyChangeSupport
51: * @see BeanAdapter
52: * @see PropertyAdapter
53: */
54: public interface Observable {
55:
56: /**
57: * Adds the given PropertyChangeListener to the listener list.
58: * The listener is registered for all bound properties of this class.
59: *
60: * @param listener the PropertyChangeListener to be added
61: *
62: * @see #removePropertyChangeListener(PropertyChangeListener)
63: */
64: void addPropertyChangeListener(PropertyChangeListener listener);
65:
66: /**
67: * Removes the given PropertyChangeListener from the listener list.
68: * This method should be used to remove PropertyChangeListeners that were
69: * registered for all bound properties of this class.
70: *
71: * @param listener the PropertyChangeListener to be removed
72: *
73: * @see #addPropertyChangeListener(PropertyChangeListener)
74: */
75: void removePropertyChangeListener(PropertyChangeListener listener);
76:
77: }
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