KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > jasper > compiler > Localizer


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18 package org.apache.jasper.compiler;
19
20 import java.text.MessageFormat JavaDoc;
21 import java.util.MissingResourceException JavaDoc;
22 import java.util.ResourceBundle JavaDoc;
23
24 /**
25  * Class responsible for converting error codes to corresponding localized
26  * error messages.
27  *
28  * @author Jan Luehe
29  */
30 public class Localizer {
31
32     private static ResourceBundle JavaDoc bundle = null;
33     
34     static {
35         try {
36         bundle = ResourceBundle.getBundle(
37             "org.apache.jasper.resources.LocalStrings");
38         } catch (Throwable JavaDoc t) {
39             t.printStackTrace();
40         }
41     }
42
43     /*
44      * Returns the localized error message corresponding to the given error
45      * code.
46      *
47      * If the given error code is not defined in the resource bundle for
48      * localized error messages, it is used as the error message.
49      *
50      * @param errCode Error code to localize
51      *
52      * @return Localized error message
53      */
54     public static String JavaDoc getMessage(String JavaDoc errCode) {
55     String JavaDoc errMsg = errCode;
56     try {
57         errMsg = bundle.getString(errCode);
58     } catch (MissingResourceException JavaDoc e) {
59     }
60     return errMsg;
61     }
62
63     /*
64      * Returns the localized error message corresponding to the given error
65      * code.
66      *
67      * If the given error code is not defined in the resource bundle for
68      * localized error messages, it is used as the error message.
69      *
70      * @param errCode Error code to localize
71      * @param arg Argument for parametric replacement
72      *
73      * @return Localized error message
74      */
75     public static String JavaDoc getMessage(String JavaDoc errCode, String JavaDoc arg) {
76     return getMessage(errCode, new Object JavaDoc[] {arg});
77     }
78
79     /*
80      * Returns the localized error message corresponding to the given error
81      * code.
82      *
83      * If the given error code is not defined in the resource bundle for
84      * localized error messages, it is used as the error message.
85      *
86      * @param errCode Error code to localize
87      * @param arg1 First argument for parametric replacement
88      * @param arg2 Second argument for parametric replacement
89      *
90      * @return Localized error message
91      */
92     public static String JavaDoc getMessage(String JavaDoc errCode, String JavaDoc arg1, String JavaDoc arg2) {
93     return getMessage(errCode, new Object JavaDoc[] {arg1, arg2});
94     }
95     
96     /*
97      * Returns the localized error message corresponding to the given error
98      * code.
99      *
100      * If the given error code is not defined in the resource bundle for
101      * localized error messages, it is used as the error message.
102      *
103      * @param errCode Error code to localize
104      * @param arg1 First argument for parametric replacement
105      * @param arg2 Second argument for parametric replacement
106      * @param arg3 Third argument for parametric replacement
107      *
108      * @return Localized error message
109      */
110     public static String JavaDoc getMessage(String JavaDoc errCode, String JavaDoc arg1, String JavaDoc arg2,
111                     String JavaDoc arg3) {
112     return getMessage(errCode, new Object JavaDoc[] {arg1, arg2, arg3});
113     }
114
115     /*
116      * Returns the localized error message corresponding to the given error
117      * code.
118      *
119      * If the given error code is not defined in the resource bundle for
120      * localized error messages, it is used as the error message.
121      *
122      * @param errCode Error code to localize
123      * @param arg1 First argument for parametric replacement
124      * @param arg2 Second argument for parametric replacement
125      * @param arg3 Third argument for parametric replacement
126      * @param arg4 Fourth argument for parametric replacement
127      *
128      * @return Localized error message
129      */
130     public static String JavaDoc getMessage(String JavaDoc errCode, String JavaDoc arg1, String JavaDoc arg2,
131                     String JavaDoc arg3, String JavaDoc arg4) {
132     return getMessage(errCode, new Object JavaDoc[] {arg1, arg2, arg3, arg4});
133     }
134
135     /*
136      * Returns the localized error message corresponding to the given error
137      * code.
138      *
139      * If the given error code is not defined in the resource bundle for
140      * localized error messages, it is used as the error message.
141      *
142      * @param errCode Error code to localize
143      * @param args Arguments for parametric replacement
144      *
145      * @return Localized error message
146      */
147     public static String JavaDoc getMessage(String JavaDoc errCode, Object JavaDoc[] args) {
148     String JavaDoc errMsg = errCode;
149     try {
150         errMsg = bundle.getString(errCode);
151         if (args != null) {
152         MessageFormat JavaDoc formatter = new MessageFormat JavaDoc(errMsg);
153         errMsg = formatter.format(args);
154         }
155     } catch (MissingResourceException JavaDoc e) {
156     }
157     
158     return errMsg;
159     }
160 }
161
Popular Tags