001    package org.apache.commons.ognl.internal.entry;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     *   http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    /*
023     * $Id: MethodPermCacheEntryFactory.java 1194957 2011-10-29 18:04:20Z mcucchiara $
024     */
025    
026    import org.apache.commons.ognl.OgnlRuntime;
027    import org.apache.commons.ognl.internal.CacheException;
028    
029    import java.lang.reflect.Method;
030    
031    public class MethodPermCacheEntryFactory
032        implements CacheEntryFactory<Method, Boolean>
033    {
034        private SecurityManager securityManager;
035    
036        public MethodPermCacheEntryFactory( SecurityManager securityManager )
037        {
038            this.securityManager = securityManager;
039        }
040    
041        public Boolean create( Method key )
042            throws CacheException
043        {
044            try
045            {
046                securityManager.checkPermission( OgnlRuntime.getPermission( key ) );
047                return true;
048            }
049            catch ( SecurityException ex )
050            {
051                return false;
052            }
053    
054        }
055    
056        public void setSecurityManager( SecurityManager securityManager )
057        {
058            this.securityManager = securityManager;
059        }
060    }