View Javadoc
1   package org.apache.fulcrum.security.model.turbine.entity.impl;
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.Set;
23  
24  import org.apache.fulcrum.security.entity.Permission;
25  import org.apache.fulcrum.security.model.turbine.entity.TurbineRole;
26  import org.apache.fulcrum.security.util.PermissionSet;
27  
28  /**
29   * Represents the "turbine" model where permissions are in a many to many
30   * relationship to roles, roles are related to groups are related to users, all
31   * in many to many relationships.
32   * 
33   * @author <a href="mailto:epugh@upstate.com">Eric Pugh </a>
34   * @version $Id: TurbineRole.java 437451 2006-08-27 20:20:44Z tv $
35   */
36  public class TurbineRoleImpl extends AbstractTurbineSecurityEntityImpl implements TurbineRole
37  {
38      private Set<? extends Permission> permissionSet = new PermissionSet();
39  
40      /**
41       * Get the permission that are part of this role
42       * 
43       * @return a set of permissions
44       */
45      public PermissionSet getPermissions()
46      {
47          if (permissionSet instanceof PermissionSet)
48          {
49              return (PermissionSet) permissionSet;
50          }
51          else
52          {
53              permissionSet = new PermissionSet(permissionSet);
54              return (PermissionSet) permissionSet;
55          }
56      }
57  
58      /**
59       * Get the permission that are part of this role as Set
60       * 
61       * @return a set of permissions
62       */
63      @SuppressWarnings("unchecked")
64      public <T extends Permission> Set<T> getPermissionsAsSet()
65      {
66          return (Set<T>) permissionSet;
67      }
68  
69      /**
70       * Set the permission that are part of this role
71       * 
72       * @param permissionSet
73       *            a set of permissions
74       */
75      public void setPermissions(PermissionSet permissionSet)
76      {
77          if (permissionSet != null)
78          {
79              this.permissionSet = permissionSet;
80          }
81          else
82          {
83              this.permissionSet = new PermissionSet();
84          }
85      }
86  
87      /**
88       * Set the permission that are part of this role as Set
89       * 
90       * @param permissions
91       *            a set of permissions
92       * @param <T> Permission
93       */
94      public <T extends Permission> void setPermissionsAsSet(Set<T> permissions)
95      {
96          this.permissionSet = permissions;
97      }
98  
99      /**
100      * This method should only be used by a RoleManager. Not directly.
101      * 
102      * @param permission the permission to add
103      */
104     public void addPermission(Permission permission)
105     {
106         getPermissions().add(permission);
107     }
108 
109     /**
110      * This method should only be used by a RoleManager. Not directly.
111      * 
112      * @param permission the permission to remove
113      */
114     public void removePermission(Permission permission)
115     {
116         getPermissions().remove(permission);
117     }
118 }