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Java > Open Source Codes > dlog4j > security > IsRoleOfTag


1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 2 of the License, or
5  * (at your option) any later version.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU Library General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software
14  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15  */
16 package dlog4j.security;
17
18 import javax.servlet.http.HttpServletRequest JavaDoc;
19 import javax.servlet.jsp.JspException JavaDoc;
20 import javax.servlet.jsp.tagext.TagSupport JavaDoc;
21
22 import dlog4j.formbean.UserForm;
23
24 /**
25  * 判断用户是否为某个角色的标签
26  * <xxx:isRoleOf role="manager"/>
27  * @author liudong
28  */
29 public class IsRoleOfTag extends TagSupport JavaDoc {
30     
31     protected String JavaDoc role;
32     protected String JavaDoc user;
33     protected boolean orNull = false;
34     
35     public int doStartTag() throws JspException JavaDoc {
36         UserForm tUser = null;
37         if(user==null)
38             tUser = UserForm.getLoginUser((HttpServletRequest JavaDoc)pageContext.getRequest());
39         else
40             tUser = (UserForm)pageContext.findAttribute(user);
41         if(tUser==null)
42             return orNull?EVAL_BODY_INCLUDE:SKIP_BODY;
43         DlogRole uRole = tUser.getRole();
44         if(uRole!=null && uRole.getName().equalsIgnoreCase(role)){
45             return EVAL_BODY_INCLUDE;
46         }
47         return SKIP_BODY;
48     }
49             
50     public String JavaDoc getRole() {
51         return role;
52     }
53     public void setRole(String JavaDoc role) {
54         this.role = role;
55     }
56     public String JavaDoc getUser() {
57         return user;
58     }
59     public void setUser(String JavaDoc user) {
60         this.user = user;
61     }
62     public boolean isOrNull() {
63         return orNull;
64     }
65     public void setOrNull(boolean orNull) {
66         this.orNull = orNull;
67     }
68 }
69
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