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.xinclude;
  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 // TODO: fix error messages in XIncludeMessages.properties
  31 /**
  32  * XIncludeMessageFormatter provides error messages for the XInclude 1.0 Candidate Recommendation
  33  *
  34  * @author Peter McCracken, IBM
  35  *
  36  */
  37 public class XIncludeMessageFormatter implements MessageFormatter {
  38 
  39     public static final String XINCLUDE_DOMAIN = "http://www.w3.org/TR/xinclude";
  40 
  41      // private objects to cache the locale and resource bundle
  42     private Locale fLocale = null;
  43     private ResourceBundle fResourceBundle = null;
  44 
  45     /**
  46      * Formats a message with the specified arguments using the given
  47      * locale information.
  48      *
  49      * @param locale    The locale of the message.
  50      * @param key       The message key.
  51      * @param arguments The message replacement text arguments. The order
  52      *                  of the arguments must match that of the placeholders
  53      *                  in the actual message.
  54      *
  55      * @return Returns the formatted message.
  56      *
  57      * @throws MissingResourceException Thrown if the message with the
  58      *                                  specified key cannot be found.
  59      */
  60      public String formatMessage(Locale locale, String key, Object[] arguments)
  61         throws MissingResourceException {
  62 
  63         if (fResourceBundle == null || locale != fLocale) {
  64             if (locale != null) {
  65                 fResourceBundle = SecuritySupport.getResourceBundle("com.sun.org.apache.xerces.internal.impl.msg.XIncludeMessages", locale);
  66                 // memorize the most-recent locale
  67                 fLocale = locale;
  68             }
  69             if (fResourceBundle == null)
  70                 fResourceBundle = SecuritySupport.getResourceBundle("com.sun.org.apache.xerces.internal.impl.msg.XIncludeMessages");
  71         }
  72 
  73         String msg = fResourceBundle.getString(key);
  74         if (arguments != null) {
  75             try {
  76                 msg = java.text.MessageFormat.format(msg, arguments);
  77             } catch (Exception e) {
  78                 msg = fResourceBundle.getString("FormatFailed");
  79                 msg += " " + fResourceBundle.getString(key);
  80             }
  81         }
  82 
  83         if (msg == null) {
  84             msg = fResourceBundle.getString("BadMessageKey");
  85             throw new MissingResourceException(msg, "com.sun.org.apache.xerces.internal.impl.msg.XIncludeMessages", key);
  86         }
  87 
  88         return msg;
  89     }
  90 }