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Java > Open Source Codes > web > security > Role


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 web.security;
17
18 /**
19  * 角色
20  * <p>
21  * 众所皆知，角色就是定义了用于某些操作权限的集合
22  * 例如：图书管理员；客服人员等
23  * </p>
24  * @author liudong
25  */
26 public interface Role {
27
28     /**
29      * 返回该角色可操作的权限
30      * @return
31      */
32     public Privilege[] privileges();
33     /**
34      * 得到角色的名称
35      * @return
36      */
37     public String JavaDoc getName();
38     
39     /**
40      * 角色的详细描述信息
41      * @return
42      */
43     public String JavaDoc getDesc();
44
45     /**
46      * 返回该角色是否有对某个资源执行某项操作的权限
47      * @param pvg
48      * @return
49      */
50     public boolean canDo(Privilege pvg);
51 }
52
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