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Java > Open Source Codes > com > sun > org > apache > xerces > internal > util > SAXMessageFormatter


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 2004 The Apache Software Foundation. All rights
6  * reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Xerces" and "Apache Software Foundation" must
28  * not be used to endorse or promote products derived from this
29  * software without prior written permission. For written
30  * permission, please contact apache@apache.org.
31  *
32  * 5. Products derived from this software may not be called "Apache",
33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
35  *
36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47  * SUCH DAMAGE.
48  * ====================================================================
49  *
50  * This software consists of voluntary contributions made by many
51  * individuals on behalf of the Apache Software Foundation and was
52  * originally based on software copyright (c) 1999, International
53  * Business Machines, Inc., http://www.apache.org. For more
54  * information on the Apache Software Foundation, please see
55  * <http://www.apache.org/>.
56  */

57 package com.sun.org.apache.xerces.internal.util;
58
59 import java.util.Locale JavaDoc;
60 import java.util.MissingResourceException JavaDoc;
61 import java.util.ResourceBundle JavaDoc;
62 import java.util.PropertyResourceBundle JavaDoc;
63
64 /**
65  * Used to format SAX error messages using a specified locale.
66  *
67  * @author Michael Glavassevich, IBM
68  *
69  * @version $Id: SAXMessageFormatter.java,v 1.1.1.1 2004/02/25 09:01:48 vk112360 Exp $
70  */

71 public class SAXMessageFormatter {
72
73     /**
74      * Formats a message with the specified arguments using the given
75      * locale information.
76      *
77      * @param locale The locale of the message.
78      * @param key The message key.
79      * @param arguments The message replacement text arguments. The order
80      * of the arguments must match that of the placeholders
81      * in the actual message.
82      *
83      * @return the formatted message.
84      *
85      * @throws MissingResourceException Thrown if the message with the
86      * specified key cannot be found.
87      */

88     public static String JavaDoc formatMessage(Locale JavaDoc locale,
89         String JavaDoc key, Object JavaDoc[] arguments)
90         throws MissingResourceException JavaDoc {
91
92         ResourceBundle JavaDoc resourceBundle = null;
93         if (locale != null) {
94             resourceBundle =
95                 PropertyResourceBundle.getBundle("com.sun.org.apache.xerces.internal.impl.msg.SAXMessages", locale);
96         }
97         else {
98             resourceBundle =
99                 PropertyResourceBundle.getBundle("com.sun.org.apache.xerces.internal.impl.msg.SAXMessages");
100         }
101
102         // format message
103
String JavaDoc msg;
104         try {
105             msg = resourceBundle.getString(key);
106             if (arguments != null) {
107                 try {
108                     msg = java.text.MessageFormat.format(msg, arguments);
109                 }
110                 catch (Exception JavaDoc e) {
111                     msg = resourceBundle.getString("FormatFailed");
112                     msg += " " + resourceBundle.getString(key);
113                 }
114             }
115         }
116         
117         // error
118
catch (MissingResourceException JavaDoc e) {
119             msg = resourceBundle.getString("BadMessageKey");
120             throw new MissingResourceException JavaDoc(key, msg, key);
121         }
122
123         // no message
124
if (msg == null) {
125             msg = key;
126             if (arguments.length > 0) {
127                 StringBuffer JavaDoc str = new StringBuffer JavaDoc(msg);
128                 str.append('?');
129                 for (int i = 0; i < arguments.length; i++) {
130                     if (i > 0) {
131                         str.append('&');
132                     }
133                     str.append(String.valueOf(arguments[i]));
134                 }
135             }
136         }
137         return msg;
138     }
139 }
140
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