001    /**
002     *
003     * Copyright 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.jaas;
019    
020    import java.io.ObjectStreamException;
021    import java.io.Serializable;
022    import javax.security.auth.login.AppConfigurationEntry;
023    
024    
025    /**
026     * A wrapper for the JAAS login module control flag that is Serializable.
027     *
028     * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
029     */
030    public class LoginModuleControlFlag implements Serializable {
031    
032        private static final LoginModuleControlFlag[] values = new LoginModuleControlFlag[4];
033    
034        public static final LoginModuleControlFlag REQUIRED = new LoginModuleControlFlag(0, AppConfigurationEntry.LoginModuleControlFlag.REQUIRED, "REQUIRED");
035        public static final LoginModuleControlFlag REQUISITE = new LoginModuleControlFlag(1, AppConfigurationEntry.LoginModuleControlFlag.REQUISITE, "REQUISITE");
036        public static final LoginModuleControlFlag SUFFICIENT = new LoginModuleControlFlag(2, AppConfigurationEntry.LoginModuleControlFlag.SUFFICIENT, "SUFFICIENT");
037        public static final LoginModuleControlFlag OPTIONAL = new LoginModuleControlFlag(3, AppConfigurationEntry.LoginModuleControlFlag.OPTIONAL, "OPTIONAL");
038    
039        private final int ordinal;
040        private final String toString;
041        private final transient AppConfigurationEntry.LoginModuleControlFlag flag;
042    
043        private LoginModuleControlFlag(int ordinal, AppConfigurationEntry.LoginModuleControlFlag flag, String toString) {
044            this.ordinal = ordinal;
045            this.flag = flag;
046            this.toString = toString;
047            values[ordinal] = this;
048        }
049    
050        public AppConfigurationEntry.LoginModuleControlFlag getFlag() {
051            return flag;
052        }
053    
054        public String toString() {
055            return toString;
056        }
057    
058        Object readResolve() throws ObjectStreamException {
059            return values[ordinal];
060        }
061    
062        public static LoginModuleControlFlag getInstance(AppConfigurationEntry.LoginModuleControlFlag flag) {
063            for(int i = 0; i < values.length; i++) {
064                if(values[i].flag == flag) {
065                    return values[i];
066                }
067            }
068            return null;
069        }
070    }