1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

   3  */
   4 /*
   5  * Licensed to the Apache Software Foundation (ASF) under one or more
   6  * contributor license agreements.  See the NOTICE file distributed with
   7  * this work for additional information regarding copyright ownership.
   8  * The ASF licenses this file to You under the Apache License, Version 2.0
   9  * (the "License"); you may not use this file except in compliance with
  10  * the License.  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.util;
  22 
  23 import java.util.Locale;
  24 import java.util.MissingResourceException;
  25 import java.util.ResourceBundle;
  26 import jdk.xml.internal.SecuritySupport;
  27 
  28 /**
  29  * Used to format SAX error messages using a specified locale.
  30  *
  31  * @author Michael Glavassevich, IBM
  32  *
  33  * @LastModified: Sep 2017
  34  */
  35 public class SAXMessageFormatter {
  36 
  37     /**
  38      * Formats a message with the specified arguments using the given
  39      * locale information.
  40      *
  41      * @param locale    The locale of the message.
  42      * @param key       The message key.
  43      * @param arguments The message replacement text arguments. The order
  44      *                  of the arguments must match that of the placeholders
  45      *                  in the actual message.
  46      *
  47      * @return          the formatted message.
  48      *
  49      * @throws MissingResourceException Thrown if the message with the
  50      *                                  specified key cannot be found.
  51      */
  52     public static String formatMessage(Locale locale,
  53         String key, Object[] arguments)
  54         throws MissingResourceException {
  55 
  56         ResourceBundle resourceBundle = null;
  57         if (locale != null) {
  58             resourceBundle =
  59                 SecuritySupport.getResourceBundle("com.sun.org.apache.xerces.internal.impl.msg.SAXMessages", locale);
  60         }
  61         else {
  62             resourceBundle =
  63                 SecuritySupport.getResourceBundle("com.sun.org.apache.xerces.internal.impl.msg.SAXMessages");
  64         }
  65 
  66         // format message
  67         String msg;
  68         try {
  69             msg = resourceBundle.getString(key);
  70             if (arguments != null) {
  71                 try {
  72                     msg = java.text.MessageFormat.format(msg, arguments);
  73                 }
  74                 catch (Exception e) {
  75                     msg = resourceBundle.getString("FormatFailed");
  76                     msg += " " + resourceBundle.getString(key);
  77                 }
  78             }
  79         }
  80 
  81         // error
  82         catch (MissingResourceException e) {
  83             msg = resourceBundle.getString("BadMessageKey");
  84             throw new MissingResourceException(key, msg, key);
  85         }
  86 
  87         // no message
  88         if (msg == null) {
  89             msg = key;
  90             if (arguments.length > 0) {
  91                 StringBuffer str = new StringBuffer(msg);
  92                 str.append('?');
  93                 for (int i = 0; i < arguments.length; i++) {
  94                     if (i > 0) {
  95                         str.append('&');
  96                     }
  97                     str.append(String.valueOf(arguments[i]));
  98                 }
  99             }
 100         }
 101         return msg;
 102     }
 103 }
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