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1   package org.apache.fulcrum.security.util;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.Collection;
23  
24  import org.apache.fulcrum.security.entity.Group;
25  
26  /**
27   * This class represents a set of Groups. It's useful for building
28   * administration UI. It enforces that only Group objects are allowed in the set
29   * and only relevant methods are available.
30   * 
31   * @author <a href="mailto:john.mcnally@clearink.com">John D. McNally</a>
32   * @author <a href="mailto:bmclaugh@algx.net">Brett McLaughlin</a>
33   * @author <a href="mailto:marco@intermeta.de">Marco Kn&uuml;ttel</a>
34   * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
35   * @version $Id$
36   */
37  public class GroupSet extends SecuritySet<Group>
38  {
39      /**
40       * Serial number
41       */
42      private static final long serialVersionUID = 6882240173053961011L;
43  
44      /**
45       * Constructs an empty GroupSet
46       */
47      public GroupSet()
48      {
49          super();
50      }
51  
52      /**
53       * Constructs a new GroupSet with specified contents.
54       * 
55       * If the given collection contains multiple objects that are identical WRT
56       * equals() method, some objects will be overwritten.
57       * 
58       * @param groups
59       *            A collection of groups to be contained in the set.
60       */
61      public GroupSet(Collection<? extends Group> groups)
62      {
63          this();
64          addAll(groups);
65      }
66  
67      /**
68       * Returns a Group with the given name, if it is contained in this GroupSet.
69       * 
70       * @param groupName
71       *            Name of Group.
72       * @return Group if argument matched a Group in this GroupSet; null if no
73       *         match.
74       * @deprecated Use getByName()
75       */
76      @Deprecated
77      public Group getGroupByName(String groupName)
78      {
79          return getByName(groupName);
80      }
81  
82      /**
83       * Returns a Group with the given id, if it is contained in this GroupSet.
84       * 
85       * @param groupId
86       *            Id of the group
87       * @return Group if argument matched a Group in this GroupSet; null if no
88       *         match.
89       * @deprecated Use getById()
90       */
91      @Deprecated
92      public Group getGroupById(Object groupId)
93      {
94          return getById(groupId);
95      }
96  
97      /**
98       * Print out a GroupSet as a String
99       * 
100      * @return The Group Set as String
101      * 
102      */
103     @Override
104     public String toString()
105     {
106         StringBuilder sb = new StringBuilder();
107         sb.append("GroupSet: ");
108         sb.append(super.toString());
109 
110         return sb.toString();
111     }
112 }