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Java > Open Source Codes > org > snipsnap > app > ApplicationManager


1 /*
2  * This file is part of "SnipSnap Wiki/Weblog".
3  *
4  * Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
5  * All Rights Reserved.
6  *
7  * Please visit http://snipsnap.org/ for updates and contact.
8  *
9  * --LICENSE NOTICE--
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version 2
13  * of the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  * --LICENSE NOTICE--
24  */
25
26 package org.snipsnap.app;
27
28 import java.util.Collection JavaDoc;
29 import java.util.Map JavaDoc;
30 import java.util.Iterator JavaDoc;
31 import java.util.Properties JavaDoc;
32
33 /**
34  * ApplicationManager creates, removes and lists applications in one
35  * SnipSnap instance.
36  *
37  * @author Stephan J. Schmidt
38  * @version $Id: ApplicationManager.java 1606 2004-05-17 10:56:18Z leo $
39  */
40
41 public class ApplicationManager {
42   private ApplicationStorage storage;
43   private Map JavaDoc prefixMap;
44
45   public ApplicationManager(ApplicationStorage applicationStorage) {
46     this.storage = applicationStorage;
47     prefixMap = storage.getApplications();
48   }
49
50   public Properties JavaDoc createApplication(String JavaDoc name, String JavaDoc prefix) {
51     Properties JavaDoc prefixProps = storage.createApplication(name, prefix);
52     prefixMap.put(prefix, prefixProps);
53     return prefixProps;
54   }
55
56   public void removeApplication(String JavaDoc oid) {
57     storage.removeApplication(oid);
58   }
59
60   public String JavaDoc getPrefix(String JavaDoc oid) {
61     String JavaDoc result = null;
62     Iterator JavaDoc iterator = prefixMap.keySet().iterator();
63     while (iterator.hasNext()) {
64       String JavaDoc prefix = (String JavaDoc) iterator.next();
65       String JavaDoc aOid = getApplication(prefix);
66       if (oid.equals(aOid)) {
67         result = prefix;
68       }
69     }
70     return result;
71   }
72
73   public Collection JavaDoc getPrefixes() {
74     return storage.getApplications().keySet();
75   }
76
77   public Collection JavaDoc getApplications() {
78     return storage.getApplications().values();
79   }
80
81   public String JavaDoc getApplication(String JavaDoc prefix) {
82     Properties JavaDoc prefixProps = (Properties JavaDoc) prefixMap.get(prefix);
83     if(null != prefixProps) {
84       return prefixProps.getProperty(ApplicationStorage.OID);
85     }
86     return null;
87   }
88 }
89
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