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Java > Open Source Codes > com > sun > enterprise > addon > Registry


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 package com.sun.enterprise.addon;
25
26 import java.io.*;
27 import java.util.*;
28
29 /**
30  * This class maintains the registry, it is a warpper over Properties class.
31  * @author servesh.singh@sun.com
32  */
33 public class Registry {
34     
35     /** Creates a new instance of Registry */
36     private Properties registry = null;
37     FileOutputStream out = null;
38     FileInputStream in = null;
39     File registryFile = null;
40     
41     public Registry() {
42     }
43     
44     public void load(File registryFile) throws Exception JavaDoc {
45         this.registryFile = registryFile;
46         if(!registryFile.exists()) {
47             registryFile.createNewFile();
48         }
49         in = new FileInputStream(registryFile);
50         registry = new Properties();
51         registry.load(in);
52     }
53     
54     public String JavaDoc getProperty(String JavaDoc key) throws Exception JavaDoc{
55          return registry.getProperty(key);
56     }
57     
58     public void setProperty(String JavaDoc key, String JavaDoc value) throws Exception JavaDoc{
59         registry.setProperty(key, value);
60     }
61     
62     public void store() throws Exception JavaDoc{
63         out = new FileOutputStream(registryFile);
64         registry.store(out, null);
65         out.close();
66     }
67     
68     public void close() throws Exception JavaDoc {
69         if(in != null)
70             in.close();
71     }
72     
73 }
74
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