KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > com > Yasna > forum > ForumGroupProxy


1 /**
2  * Copyright (C) 2001 Yasna.com. All rights reserved.
3  *
4  * ===================================================================
5  * The Apache Software License, Version 1.1
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright
15  * notice, this list of conditions and the following disclaimer in
16  * the documentation and/or other materials provided with the
17  * distribution.
18  *
19  * 3. The end-user documentation included with the redistribution,
20  * if any, must include the following acknowledgment:
21  * "This product includes software developed by
22  * Yasna.com (http://www.yasna.com)."
23  * Alternately, this acknowledgment may appear in the software itself,
24  * if and wherever such third-party acknowledgments normally appear.
25  *
26  * 4. The names "Yazd" and "Yasna.com" must not be used to
27  * endorse or promote products derived from this software without
28  * prior written permission. For written permission, please
29  * contact yazd@yasna.com.
30  *
31  * 5. Products derived from this software may not be called "Yazd",
32  * nor may "Yazd" appear in their name, without prior written
33  * permission of Yasna.com.
34  *
35  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38  * DISCLAIMED. IN NO EVENT SHALL YASNA.COM OR
39  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46  * SUCH DAMAGE.
47  * ====================================================================
48  *
49  * This software consists of voluntary contributions made by many
50  * individuals on behalf of Yasna.com. For more information
51  * on Yasna.com, please see <http://www.yasna.com>.
52  */

53
54 package com.Yasna.forum;
55
56 import java.util.Date JavaDoc;
57 import java.util.Iterator JavaDoc;
58 import java.util.Enumeration JavaDoc;
59
60 /**
61  * A protection proxy for ForumGroup. A proxy has a set of permissions that are
62  * specified at creation time of the proxy. Subsequently, those permissions
63  * are used to restrict access to protected Category methods. If a user does
64  * not have the right to execute a particular method, and UnauthorizedException
65  * is thrown.
66  *
67  * @see Forum
68  * @see ForumPermissions
69  * @see UnauthorizedException
70  */

71 public class ForumGroupProxy implements ForumGroup {
72
73     private ForumGroup forumGroup;
74     private Authorization authorization;
75     private ForumPermissions permissions;
76
77     /**
78      * Creates a new ForumGroupProxy object.
79      *
80      * @param forumGroup the forumGroup to protect by proxy
81      * @param authorization the user's authorization token
82      * @param permissions the permissions to use with this proxy.
83      */

84     public ForumGroupProxy(ForumGroup forumGroup, Authorization authorization,
85             ForumPermissions permissions)
86     {
87         this.forumGroup = forumGroup;
88         this.authorization = authorization;
89         this.permissions = permissions;
90     }
91
92     //** Methods from interface below**//
93
public String JavaDoc getName() {
94         return forumGroup.getName();
95     }
96
97     public int getID() {
98         return forumGroup.getID();
99     }
100
101     public String JavaDoc getDescription() {
102         return forumGroup.getDescription();
103     }
104
105     public Date JavaDoc getCreationDate() {
106         return forumGroup.getCreationDate();
107     }
108
109     public Date JavaDoc getModifiedDate() {
110         return forumGroup.getModifiedDate();
111     }
112     public int getOrder(){
113         return forumGroup.getOrder();
114     }
115     public void setOrder(int param) throws UnauthorizedException{
116         if (permissions.isSystemOrForumAdmin()) {
117             forumGroup.setOrder(param);
118         }
119         else {
120             throw new UnauthorizedException();
121         }
122     }
123     public void setModifiedDate(Date JavaDoc modifiedDate) throws UnauthorizedException {
124         if (permissions.isSystemOrForumAdmin()) {
125             forumGroup.setModifiedDate(modifiedDate);
126         }
127         else {
128             throw new UnauthorizedException();
129         }
130     }
131
132     public void setCreationDate(Date JavaDoc creationDate) throws UnauthorizedException {
133         if (permissions.isSystemOrForumAdmin()) {
134             forumGroup.setCreationDate(creationDate);
135         }
136         else {
137             throw new UnauthorizedException();
138         }
139     }
140
141     public void setName(String JavaDoc name) throws UnauthorizedException {
142         if (permissions.isSystemOrForumAdmin()) {
143             forumGroup.setName(name);
144         }
145         else {
146             throw new UnauthorizedException();
147         }
148     }
149
150     public void setDescription(String JavaDoc description) throws UnauthorizedException {
151         if (permissions.isSystemOrForumAdmin()) {
152             forumGroup.setDescription(description);
153         }
154         else {
155             throw new UnauthorizedException();
156         }
157     }
158
159     public Iterator JavaDoc forums() {
160         Iterator JavaDoc iterator = forumGroup.forums();
161         return new ForumIteratorProxy(iterator, authorization, permissions,false);
162     }
163 }
164
Popular Tags