001    /**
002     *
003     * Copyright 2003-2004 The Apache Software Foundation
004     *
005     *  Licensed under the Apache License, Version 2.0 (the "License");
006     *  you may not use this file except in compliance with the License.
007     *  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    
018    package org.apache.geronimo.security.jacc;
019    
020    import javax.security.jacc.PolicyContextException;
021    import javax.security.jacc.PolicyContextHandler;
022    
023    import org.apache.geronimo.security.ContextManager;
024    
025    
026    /**
027     * Container Subject Policy Context Handler
028     *
029     * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
030     * @see "JACC v1.0" section 4.6.1.1
031     */
032    public class PolicyContextHandlerContainerSubject implements PolicyContextHandler {
033    
034        public static final String HANDLER_KEY = "javax.security.auth.Subject.container";
035    
036        public boolean supports(String key) throws PolicyContextException {
037            return key.equals(HANDLER_KEY);
038        }
039    
040        public String[] getKeys() throws PolicyContextException {
041            return new String[]{HANDLER_KEY};
042        }
043    
044        public Object getContext(String key, Object data) throws PolicyContextException {
045            try {
046                return ContextManager.getCurrentCaller();
047            } catch (Exception e) {
048                throw new PolicyContextException(e);
049            }
050        }
051    }