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      */
formatMessage(Locale locale, String key, Object[] arguments)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 }
104