001 /* AccessibleBundle.java -- base class for accessibility "enumerations" 002 Copyright (C) 2002, 2005 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 package javax.accessibility; 039 040 import java.util.Locale; 041 042 /** 043 * This serves as a base class for accessibility "enumerations". These 044 * objects are strongly typed; to make up for the lack of true enums in Java. 045 * Display should be locale dependent. 046 * 047 * @author Eric Blake (ebb9@email.byu.edu) 048 * @see AccessibleRole 049 * @see AccessibleState 050 * @since 1.2 051 * @status updated to 1.4, but missing Locale support 052 */ 053 public abstract class AccessibleBundle 054 { 055 /** 056 * The locale independent name of the object. This is for the computer, not 057 * necessarily for humans; changing it in subclasses is frowned upon. 058 * 059 * @see #toDisplayString(String, Locale) 060 */ 061 protected String key; 062 063 /** 064 * Default constructor. 065 */ 066 public AccessibleBundle() 067 { 068 } 069 070 /** 071 * Obtains the key as a localized string, falling back to the 072 * locale-independent version if necessary. 073 * 074 * @param resourceBundle the resource to use for lookup 075 * @param locale the locale to translate to 076 * @return the translated name 077 * @throws NullPointerException if resourceBundle or locale is null 078 * @XXX For now, no transformation is done. 079 */ 080 protected String toDisplayString(String resourceBundle, Locale locale) 081 { 082 return key; 083 } 084 085 /** 086 * Obtains the key as a localized string, falling back to the 087 * locale-independent version if necessary. 088 * 089 * @param locale the locale to translate to 090 * @return the translated name 091 * @throws NullPointerException if locale is null 092 * @XXX For now, no transformation is done. 093 */ 094 public String toDisplayString(Locale locale) 095 { 096 return key; 097 } 098 099 /** 100 * Obtains the key as a localized string, using the default locale. 101 * 102 * @return the translated name 103 * @XXX For now, no transformation is done. 104 */ 105 public String toDisplayString() 106 { 107 return toDisplayString(Locale.getDefault()); 108 } 109 110 /** 111 * Obtains the key as a localized string, using the default locale. 112 * 113 * @return the translated name 114 * @XXX For now, no transformation is done. 115 */ 116 public String toString() 117 { 118 return toDisplayString(Locale.getDefault()); 119 } 120 } // class AccessibleBundle