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1   /* 
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.jetspeed.security;
18  
19  import java.util.Collections;
20  
21  import java.security.Permission;
22  import java.security.PermissionCollection;
23  import java.util.Enumeration;
24  import java.util.ArrayList;
25  import java.util.Iterator;
26  
27  /***
28   * @author <a href="mailto:dlestrat@apache.org">David Le Strat</a>
29   */
30  public class PortalResourcePermissionCollection extends PermissionCollection
31  {
32  
33      ArrayList perms = new ArrayList();
34  
35      /***
36       * 
37       */
38      public PortalResourcePermissionCollection()
39      {
40          super(); 
41      }
42  
43      /***
44       * @see java.security.PermissionCollection#add(java.security.Permission)
45       */
46      public void add(Permission permission)
47      {
48          perms.add(permission);
49      }
50  
51      /***
52       * @see java.security.PermissionCollection#implies(java.security.Permission)
53       */
54      public boolean implies(Permission permission)
55      {
56          for (Iterator i = perms.iterator(); i.hasNext(); ) 
57          {
58              if (((Permission)i.next()).implies(permission)) 
59              {
60                  return true;
61              }
62          }
63          return false;
64      }
65  
66      /***
67       * @see java.security.PermissionCollection#elements()
68       */
69      public Enumeration elements()
70      {
71          return Collections.enumeration(perms);
72      }
73  
74  }