001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *  http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    
021    package org.apache.geronimo.security.credentialstore;
022    
023    import javax.security.auth.Subject;
024    import javax.security.auth.login.LoginException;
025    
026    /**
027     * @version $Rev: 545781 $ $Date: 2007-06-09 13:44:02 -0400 (Sat, 09 Jun 2007) $
028     */
029    public interface CredentialStore {
030    
031        CredentialStore NULL = new CredentialStore() {
032    
033            public Subject getSubject(String realm, String id) throws LoginException {
034                return null;
035            }
036        };
037    
038        Subject getSubject(String realm, String id) throws LoginException;
039    }