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1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements. See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership. The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the  "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  *     http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 /*
19  * $Id: XPATHMessages.java 468655 2006-10-28 07:12:06Z minchau $
20  */
21 package org.apache.xpath.res;
22 
23 import java.util.ListResourceBundle;
24 
25 import org.apache.xml.res.XMLMessages;
26 
27 /**
28  * A utility class for issuing XPath error messages.
29  * @xsl.usage internal
30  */
31 public class XPATHMessages extends XMLMessages
32 {
33   /** The language specific resource object for XPath messages.  */
34   private static ListResourceBundle XPATHBundle = new XPATHErrorResources();
35 
36   /** The class name of the XPath error message string table.     */
37   private static final String XPATH_ERROR_RESOURCES =
38     "org.apache.xpath.res.XPATHErrorResources";
39 
40   /**
41    * Creates a message from the specified key and replacement
42    * arguments, localized to the given locale.
43    *
44    * @param msgKey    The key for the message text.
45    * @param args      The arguments to be used as replacement text
46    *                  in the message created.
47    *
48    * @return The formatted message string.
49    */
createXPATHMessage(String msgKey, Object args[])50   public static final String createXPATHMessage(String msgKey, Object args[])  //throws Exception
51   {
52       // BEGIN android-changed
53       //     don't localize exception messages
54       return createXPATHMsg(XPATHBundle, msgKey, args);
55       // END android-changed
56   }
57 
58   /**
59    * Creates a message from the specified key and replacement
60    * arguments, localized to the given locale.
61    *
62    * @param msgKey The key for the message text.
63    * @param args      The arguments to be used as replacement text
64    *                  in the message created.
65    *
66    * @return The formatted warning string.
67    */
createXPATHWarning(String msgKey, Object args[])68   public static final String createXPATHWarning(String msgKey, Object args[])  //throws Exception
69   {
70       // BEGIN android-changed
71       //     don't localize exception messages
72       return createXPATHMsg(XPATHBundle, msgKey, args);
73       // END android-changed
74   }
75 
76   /**
77    * Creates a message from the specified key and replacement
78    * arguments, localized to the given locale.
79    *
80    * @param fResourceBundle The resource bundle to use.
81    * @param msgKey  The message key to use.
82    * @param args      The arguments to be used as replacement text
83    *                  in the message created.
84    *
85    * @return The formatted message string.
86    */
createXPATHMsg(ListResourceBundle fResourceBundle, String msgKey, Object args[])87   public static final String createXPATHMsg(ListResourceBundle fResourceBundle,
88                                             String msgKey, Object args[])  //throws Exception
89   {
90 
91     String fmsg = null;
92     boolean throwex = false;
93     String msg = null;
94 
95     if (msgKey != null)
96       msg = fResourceBundle.getString(msgKey);
97 
98     if (msg == null)
99     {
100       msg = fResourceBundle.getString(XPATHErrorResources.BAD_CODE);
101       throwex = true;
102     }
103 
104     if (args != null)
105     {
106       try
107       {
108 
109         // Do this to keep format from crying.
110         // This is better than making a bunch of conditional
111         // code all over the place.
112         int n = args.length;
113 
114         for (int i = 0; i < n; i++)
115         {
116           if (null == args[i])
117             args[i] = "";
118         }
119 
120         fmsg = java.text.MessageFormat.format(msg, args);
121       }
122       catch (Exception e)
123       {
124         fmsg = fResourceBundle.getString(XPATHErrorResources.FORMAT_FAILED);
125         fmsg += " " + msg;
126       }
127     }
128     else
129       fmsg = msg;
130 
131     if (throwex)
132     {
133       throw new RuntimeException(fmsg);
134     }
135 
136     return fmsg;
137   }
138 
139 }
140