1 /* 2 * Copyright (c) 2005, 2010, 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 * Copyright (C) 2004-2011 27 * 28 * Permission is hereby granted, free of charge, to any person obtaining a copy 29 * of this software and associated documentation files (the "Software"), to deal 30 * in the Software without restriction, including without limitation the rights 31 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 32 * copies of the Software, and to permit persons to whom the Software is 33 * furnished to do so, subject to the following conditions: 34 * 35 * The above copyright notice and this permission notice shall be included in 36 * all copies or substantial portions of the Software. 37 * 38 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 39 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 40 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 41 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 42 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 43 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 44 * THE SOFTWARE. 45 */ 46 package com.sun.xml.internal.rngom.util; 47 48 import java.text.MessageFormat; 49 import java.util.MissingResourceException; 50 import java.util.ResourceBundle; 51 52 /** 53 * Localizes messages. 54 */ 55 public class Localizer { 56 private final Class cls; 57 private ResourceBundle bundle; 58 /** 59 * If non-null, any resources that weren't found in this localizer 60 * will be delegated to the parent. 61 */ 62 private final Localizer parent; 63 64 public Localizer(Class cls) { 65 this(null,cls); 66 } 67 68 public Localizer(Localizer parent, Class cls) { 69 this.parent = parent; 70 this.cls = cls; 71 } 72 73 private String getString(String key) { 74 try { 75 return getBundle().getString(key); 76 } catch( MissingResourceException e ) { 77 // delegation 78 if(parent!=null) 79 return parent.getString(key); 80 else 81 throw e; 82 } 83 } 84 85 public String message(String key) { 86 return MessageFormat.format(getString(key), new Object[]{}); 87 } 88 89 public String message(String key, Object arg) { 90 return MessageFormat.format(getString(key), 91 new Object[]{arg}); 92 } 93 94 public String message(String key, Object arg1, Object arg2) { 95 return MessageFormat.format(getString(key), new Object[]{ 96 arg1, arg2}); 97 } 98 99 public String message(String key, Object[] args) { 100 return MessageFormat.format(getString(key), args); 101 } 102 103 private ResourceBundle getBundle() { 104 if (bundle == null) { 105 String s = cls.getName(); 106 int i = s.lastIndexOf('.'); 107 if (i > 0) 108 s = s.substring(0, i + 1); 109 else 110 s = ""; 111 bundle = ResourceBundle.getBundle(s + "Messages"); 112 } 113 return bundle; 114 } 115 }