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Java > Open Source Codes > com > Yasna > forum > tags > IsAdminUserTag


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.tags;
55
56 import javax.servlet.jsp.tagext.*;
57 import com.Yasna.forum.*;
58 import javax.servlet.jsp.*;
59
60 public class IsAdminUserTag extends TagSupport implements BooleanTag {
61
62     private boolean result;
63     private boolean case_ = false;
64     private boolean attrSet = false;
65
66     public int doStartTag() throws JspException {
67         if (!attrSet) {
68             case_ = false;
69         }
70         attrSet = false;
71         try {
72             Authorization authToken = getAuthToken();
73             ForumFactory forumFactory = ForumFactory.getInstance(authToken);
74             ForumPermissions permissions = forumFactory.getPermissions(authToken);
75             boolean isSystemAdmin = permissions.get(ForumPermissions.SYSTEM_ADMIN);
76             boolean isUserAdmin = permissions.get(ForumPermissions.FORUM_ADMIN);
77             boolean isModerator = false;
78             Forum forum = getForum();
79             if (forum != null) {
80                 isModerator = forum.getPermissions(authToken).get(ForumPermissions.MODERATOR);
81             }
82             boolean isAdmin = isUserAdmin || isSystemAdmin || isModerator;
83             result = isAdmin;
84             if (isAdmin) return EVAL_BODY_INCLUDE;
85         } catch(Exception JavaDoc e) {
86         }
87         if (case_) {
88             return EVAL_BODY_INCLUDE;
89         } else {
90             return SKIP_BODY;
91         }
92     }//doStartTag
93

94     private Authorization getAuthToken() {
95         YazdState js = (YazdState) pageContext.getAttribute("yazdUserState",PageContext.SESSION_SCOPE);
96         return js.getAuthorization();
97     }
98
99     private Forum getForum() {
100         ForumTag ft = null;
101         try {
102             ft = (ForumTag)this.findAncestorWithClass(this,
103                 Class.forName("com.Yasna.forum.tags.ForumTag"));
104         } catch(Exception JavaDoc e) {
105         }
106         if (ft != null) return ft.getForum();
107         return null;
108     }
109
110     public boolean getValue() {
111         return result;
112     }
113
114     public void setCase(String JavaDoc v) {
115         attrSet = true;
116         case_ = false;
117         if ("true".equals(v)) case_ = true;
118     }
119 }
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