JaasPolicyCoordinator xref

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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  
18  package org.apache.jetspeed.security.impl;
19  
20  import java.security.CodeSource;
21  import java.security.Permission;
22  import java.security.PermissionCollection;
23  import java.security.Policy;
24  import java.security.ProtectionDomain;
25  
26  /***
27   * <p>
28   * Provide coordination between the default policy and Jetspeed custom policy.
29   * </p>
30   */
31  public class JaasPolicyCoordinator extends Policy
32  {
33      private final Policy defaultPolicy;
34  
35      private final Policy j2Policy;
36  
37      /***
38       * <p>
39       * Constructor for coordinating the policies.
40       * </p>
41       * 
42       * @param defaultPolicy The default policy.
43       * @param j2Policy Jetspeed policy.
44       */
45      public JaasPolicyCoordinator(Policy defaultPolicy, Policy j2Policy)
46      {
47          this.defaultPolicy = defaultPolicy;
48          this.j2Policy = j2Policy;
49      }
50  
51      /***
52       * @see java.security.Policy#getPermissions(java.security.CodeSource)
53       */
54      public PermissionCollection getPermissions(CodeSource codeSource)
55      {
56          return defaultPolicy.getPermissions(codeSource);
57      }
58  
59      /***
60       * @see java.security.Policy#refresh()
61       */
62      public void refresh()
63      {
64          defaultPolicy.refresh();
65          j2Policy.refresh();
66      }
67  
68      /***
69       * @see java.security.Policy#implies(java.security.ProtectionDomain, java.security.Permission)
70       */
71      public boolean implies(ProtectionDomain domain, Permission permission)
72      {
73          if (permission.getClass().getName().startsWith("java"))
74          {
75              return defaultPolicy.implies(domain, permission);
76          }
77          else
78          {
79              return j2Policy.implies(domain, permission);
80          }
81      }
82  }