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1   /*
2    * $Source$
3    * $Revision$
4    *
5    * Copyright (C) 2000 William Chesters
6    *
7    * Part of Melati (http://melati.org), a framework for the rapid
8    * development of clean, maintainable web applications.
9    *
10   * Melati is free software; Permission is granted to copy, distribute
11   * and/or modify this software under the terms either:
12   *
13   * a) the GNU General Public License as published by the Free Software
14   *    Foundation; either version 2 of the License, or (at your option)
15   *    any later version,
16   *
17   *    or
18   *
19   * b) any version of the Melati Software License, as published
20   *    at http://melati.org
21   *
22   * You should have received a copy of the GNU General Public License and
23   * the Melati Software License along with this program;
24   * if not, write to the Free Software Foundation, Inc.,
25   * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
26   * GNU General Public License and visit http://melati.org to obtain the
27   * Melati Software License.
28   *
29   * Feel free to contact the Developers of Melati (http://melati.org),
30   * if you would like to work out a different arrangement than the options
31   * outlined here.  It is our intention to allow Melati to be used by as
32   * wide an audience as possible.
33   *
34   * This program is distributed in the hope that it will be useful,
35   * but WITHOUT ANY WARRANTY; without even the implied warranty of
36   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
37   * GNU General Public License for more details.
38   *
39   * Contact details for copyright holder:
40   *
41   *     William Chesters <williamc@paneris.org>
42   *     http://paneris.org/~williamc
43   *     Obrechtstraat 114, 2517VX Den Haag, The Netherlands
44   */
45  
46  package org.melati.poem;
47  
48  import org.melati.poem.generated.GroupBase;
49  
50  /**
51   * An authorisation grouping that a {@link User} can belong to.
52   *
53   * Melati POEM generated, programmer modifiable stub 
54   * for a <code>Persistent</code> <code>Group</code> object.
55   * 
56   * <p> 
57   * Description: 
58   *   A group to which registered users of the database can belong. 
59   * </p>
60   * 
61   * <table> 
62   * <caption>
63   * Field summary for SQL table <code>Group</code>
64   * </caption>
65   * <tr><th>Name</th><th>Type</th><th>Description</th></tr>
66   * <tr><td> id </td><td> Integer </td><td> The Table Row Object ID </td></tr> 
67   * <tr><td> name </td><td> String </td><td> A human-readable name for the 
68   * group </td></tr> 
69   * </table> 
70   * 
71   * See org.melati.poem.prepro.TableDef#generateMainJava 
72   */
73  public class Group extends GroupBase {
74  
75   /**
76    * Constructor 
77    * for a <code>Persistent</code> <code>Group</code> object.
78    * <p>
79    * Description: 
80    *   A group to which registered users of the database can belong. 
81    * </p>
82    * 
83    * See org.melati.poem.prepro.TableDef#generateMainJava 
84    */
85    public Group() {}
86  
87    // programmer's domain-specific code here
88  
89   /**
90    * Constructor 
91    * for a <code>Persistent</code> <code>Group</code> object.
92    * <p>
93    * Description: 
94    *   A group to which registered users of the database can belong. 
95    * </p>
96    * 
97    * @param name the name of the {@link Group} to create
98    */
99    public Group(String name) {
100     this.name = name;
101   }
102 
103  /**
104   * Allow this object to be read by anyone.
105   * 
106   * @param token any {@link AccessToken}
107   */
108   public void assertCanRead(AccessToken token) {}
109   
110   public GroupMembership ensureMember(User u) { 
111     GroupMembershipTable<GroupMembership> gmt = getDatabase().getGroupMembershipTable();
112     return gmt.ensure(this, u);
113   }
114 }