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1   package org.apache.commons.ognl.internal.entry;
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  /*
23   * $Id: MethodPermCacheEntryFactory.java 1194957 2011-10-29 18:04:20Z mcucchiara $
24   */
25  
26  import org.apache.commons.ognl.OgnlRuntime;
27  import org.apache.commons.ognl.internal.CacheException;
28  
29  import java.lang.reflect.Method;
30  
31  public class MethodPermCacheEntryFactory
32      implements CacheEntryFactory<Method, Boolean>
33  {
34      private SecurityManager securityManager;
35  
36      public MethodPermCacheEntryFactory( SecurityManager securityManager )
37      {
38          this.securityManager = securityManager;
39      }
40  
41      public Boolean create( Method key )
42          throws CacheException
43      {
44          try
45          {
46              securityManager.checkPermission( OgnlRuntime.getPermission( key ) );
47              return true;
48          }
49          catch ( SecurityException ex )
50          {
51              return false;
52          }
53  
54      }
55  
56      public void setSecurityManager( SecurityManager securityManager )
57      {
58          this.securityManager = securityManager;
59      }
60  }