1 /* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 * @LastModified: Sep 2017 4 */ 5 /* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22 package com.sun.org.apache.xerces.internal.impl.msg; 23 24 import com.sun.org.apache.xerces.internal.util.MessageFormatter; 25 import java.util.Locale; 26 import java.util.MissingResourceException; 27 import java.util.ResourceBundle; 28 import jdk.xml.internal.SecuritySupport; 29 30 /** 31 * XMLMessageFormatter provides error messages for the XML 1.0 Recommendation and for 32 * the Namespaces Recommendation 33 * 34 * @xerces.internal 35 * 36 * @author Eric Ye, IBM 37 * 38 */ 39 public class XMLMessageFormatter implements MessageFormatter { 40 /** 41 * The domain of messages concerning the XML 1.0 specification. 42 */ 43 public static final String XML_DOMAIN = "http://www.w3.org/TR/1998/REC-xml-19980210"; 44 public static final String XMLNS_DOMAIN = "http://www.w3.org/TR/1999/REC-xml-names-19990114"; 45 46 // private objects to cache the locale and resource bundle 47 private Locale fLocale = null; 48 private ResourceBundle fResourceBundle = null; 49 50 // 51 // MessageFormatter methods 52 // 53 54 /** 55 * Formats a message with the specified arguments using the given 56 * locale information. 57 * 58 * @param locale The locale of the message. 59 * @param key The message key. 60 * @param arguments The message replacement text arguments. The order 61 * of the arguments must match that of the placeholders 62 * in the actual message. 63 * 64 * @return Returns the formatted message. 65 * 66 * @throws MissingResourceException Thrown if the message with the 67 * specified key cannot be found. 68 */ 69 public String formatMessage(Locale locale, String key, Object[] arguments) 70 throws MissingResourceException { 71 72 if (fResourceBundle == null || locale != fLocale) { 73 if (locale != null) { 74 fResourceBundle = SecuritySupport.getResourceBundle("com.sun.org.apache.xerces.internal.impl.msg.XMLMessages", locale); 75 // memorize the most-recent locale 76 fLocale = locale; 77 } 78 if (fResourceBundle == null) 79 fResourceBundle = SecuritySupport.getResourceBundle("com.sun.org.apache.xerces.internal.impl.msg.XMLMessages"); 80 } 81 82 // format message 83 String msg; 84 try { 85 msg = fResourceBundle.getString(key); 86 if (arguments != null) { 87 try { 88 msg = java.text.MessageFormat.format(msg, arguments); 89 } 90 catch (Exception e) { 91 msg = fResourceBundle.getString("FormatFailed"); 92 msg += " " + fResourceBundle.getString(key); 93 } 94 } 95 } 96 97 // error 98 catch (MissingResourceException e) { 99 msg = fResourceBundle.getString("BadMessageKey"); 100 throw new MissingResourceException(key, msg, key); 101 } 102 103 // no message 104 if (msg == null) { 105 msg = key; 106 if (arguments.length > 0) { 107 StringBuffer str = new StringBuffer(msg); 108 str.append('?'); 109 for (int i = 0; i < arguments.length; i++) { 110 if (i > 0) { 111 str.append('&'); 112 } 113 str.append(String.valueOf(arguments[i])); 114 } 115 } 116 } 117 118 return msg; 119 } 120 121 }