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Java > Open Source Codes > org > apache > tapestry > form > ValidationMessagesImpl


1 // Copyright 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.tapestry.form;
16
17 import java.text.MessageFormat JavaDoc;
18 import java.util.Locale JavaDoc;
19
20 import org.apache.hivemind.util.Defense;
21 import org.apache.tapestry.valid.ValidationStrings;
22
23 /**
24  * Wrapper around
25  * {@link org.apache.tapestry.valid.ValidationStrings#getMessagePattern(String, Locale)} and
26  * {@link java.text.MessageFormat#format(java.lang.String, java.lang.Object[])}.
27  *
28  * @author Howard Lewis Ship
29  * @since 4.0
30  */
31 public class ValidationMessagesImpl implements ValidationMessages
32 {
33     private Locale JavaDoc _locale;
34
35     public ValidationMessagesImpl(Locale JavaDoc locale)
36     {
37         Defense.notNull(locale, "locale");
38
39         _locale = locale;
40     }
41
42     public String JavaDoc formatValidationMessage(String JavaDoc messageOverride, String JavaDoc messageKey,
43             Object JavaDoc[] arguments)
44     {
45         String JavaDoc message = (messageOverride == null) ? ValidationStrings.getMessagePattern(
46                 messageKey,
47                 _locale) : messageOverride;
48
49         return MessageFormat.format(message, arguments);
50     }
51
52 }
53
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