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Java > Open Source Codes > com > sun > appserv > management > util > misc > PropertiesStringSource


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23  
24 /*
25  * $Header: /cvs/glassfish/admin-core/mbeanapi/src/java/com/sun/appserv/management/util/misc/PropertiesStringSource.java,v 1.3 2005/12/25 03:51:51 tcfujii Exp $
26  * $Revision: 1.3 $
27  * $Date: 2005/12/25 03:51:51 $
28  */
29  
30 package com.sun.appserv.management.util.misc;
31
32 import java.util.Properties JavaDoc;
33 import java.io.File JavaDoc;
34 import java.io.FileInputStream JavaDoc;
35 import java.io.IOException JavaDoc;
36
37 /**
38     An abstraction for getting a String, given an id string.
39  */
40 public class PropertiesStringSource extends StringSourceBase implements StringSource
41 {
42     final Properties JavaDoc mProperties;
43     
44         public
45     PropertiesStringSource( final Properties JavaDoc props, StringSource delegate )
46     {
47         super( delegate );
48         assert( props != null );
49         mProperties = props;
50     }
51     
52         static private Properties JavaDoc
53     propsFromFile( final File JavaDoc propsFile )
54         throws IOException JavaDoc
55     {
56         final Properties JavaDoc props = new Properties JavaDoc();
57         props.load( new FileInputStream JavaDoc( propsFile ) );
58         return( props );
59     }
60     
61         public
62     PropertiesStringSource( final File JavaDoc propsFile, StringSource delegate )
63         throws IOException JavaDoc
64     {
65         this( propsFromFile( propsFile ), delegate );
66     }
67     
68         public String JavaDoc
69     getString( String JavaDoc id, String JavaDoc defaultValue )
70     {
71         final String JavaDoc result = mProperties.getProperty( id, defaultValue );
72         return( result );
73     }
74     
75     public final static String JavaDoc STRINGS_NAME = "strings";
76     
77 };
78
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