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1: /* HierarchyBoundsAdapter.java -- convenience class for writing listeners 2: Copyright (C) 2000, 2002 Free Software Foundation 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package java.awt.event; 39: 40: /** 41: * This class implements <code>HierarchyBoundsListener</code> and implements 42: * all methods with empty bodies. This allows a listener interested in 43: * implementing only a subset of the <code>HierarchyBoundsListener</code> 44: * interface to extend this class and override only the desired methods. 45: * 46: * @author Bryce McKinlay 47: * @see HierarchyBoundsListener 48: * @see HierarchyEvent 49: * @since 1.3 50: * @status updated to 1.4 51: */ 52: public abstract class HierarchyBoundsAdapter implements HierarchyBoundsListener 53: { 54: /** 55: * Do nothing default constructor for subclasses. 56: */ 57: public HierarchyBoundsAdapter() 58: { 59: } 60: 61: /** 62: * Implements this method from the interface with an empty body. 63: * 64: * @param event the event, ignored in this implementation 65: */ 66: public void ancestorMoved(HierarchyEvent event) 67: { 68: } 69: 70: /** 71: * Implements this method from the interface with an empty body. 72: * 73: * @param event the event, ignored in this implementation 74: */ 75: public void ancestorResized(HierarchyEvent event) 76: { 77: } 78: }