1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Copyright 2001, 2002,2004 The Apache Software Foundation. 7 * 8 * Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21 package com.sun.org.apache.xerces.internal.impl.xs; 22 23 import com.sun.org.apache.xerces.internal.util.MessageFormatter; 24 import com.sun.org.apache.xerces.internal.utils.SecuritySupport; 25 import java.util.Locale; 26 import java.util.MissingResourceException; 27 import java.util.ResourceBundle; 28 29 30 /** 31 * SchemaMessageProvider implements an XMLMessageProvider that 32 * provides localizable error messages for the W3C XML Schema Language 33 * 34 * @xerces.internal 35 * 36 * @author Elena Litani, IBM 37 * @version $Id: XSMessageFormatter.java,v 1.6 2010-11-01 04:39:55 joehw Exp $ 38 */ 39 public class XSMessageFormatter implements MessageFormatter { 40 /** 41 * The domain of messages concerning the XML Schema: Structures specification. 42 */ 43 public static final String SCHEMA_DOMAIN = "http://www.w3.org/TR/xml-schema-1"; 44 45 46 // private objects to cache the locale and resource bundle 47 private Locale fLocale = null; 48 private ResourceBundle fResourceBundle = null; 49 50 /** 51 * Formats a message with the specified arguments using the given 52 * locale information. 53 * 54 * @param locale The locale of the message. 55 * @param key The message key. 56 * @param arguments The message replacement text arguments. The order 57 * of the arguments must match that of the placeholders 58 * in the actual message. 59 * 60 * @return Returns the formatted message. 61 * 62 * @throws MissingResourceException Thrown if the message with the 63 * specified key cannot be found. 64 */ 65 public String formatMessage(Locale locale, String key, Object[] arguments) 66 throws MissingResourceException { 67 68 if (fResourceBundle == null || locale != fLocale) { 69 if (locale != null) { 70 fResourceBundle = SecuritySupport.getResourceBundle("com.sun.org.apache.xerces.internal.impl.msg.XMLSchemaMessages", locale); 71 // memorize the most-recent locale 72 fLocale = locale; 73 } 74 if (fResourceBundle == null) 75 fResourceBundle = SecuritySupport.getResourceBundle("com.sun.org.apache.xerces.internal.impl.msg.XMLSchemaMessages"); 76 } 77 78 String msg = fResourceBundle.getString(key); 79 if (arguments != null) { 80 try { 81 msg = java.text.MessageFormat.format(msg, arguments); 82 } catch (Exception e) { 83 msg = fResourceBundle.getString("FormatFailed"); 84 msg += " " + fResourceBundle.getString(key); 85 } 86 } 87 88 if (msg == null) { 89 msg = fResourceBundle.getString("BadMessageKey"); 90 throw new MissingResourceException(msg, "com.sun.org.apache.xerces.internal.impl.msg.SchemaMessages", key); 91 } 92 93 return msg; 94 } 95 }