001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  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;
019    
020    import java.io.Serializable;
021    import java.security.Principal;
022    
023    /**
024     * Represents a principal in an realm.
025     *
026     * @version $Rev: 706640 $ $Date: 2008-10-21 14:44:05 +0000 (Tue, 21 Oct 2008) $
027     */
028    public class DomainPrincipal implements Principal, Serializable {
029        private final String domain;
030        private final Principal principal;
031        private transient String name = null;
032    
033        public DomainPrincipal(String domain, Principal principal) {
034            if (domain == null) throw new IllegalArgumentException("domain is null");
035            if (principal == null) throw new IllegalArgumentException("principal is null");
036    
037            this.domain = domain;
038            this.principal = principal;
039        }
040    
041        public boolean equals(Object o) {
042            if (this == o) return true;
043            if (o == null || getClass() != o.getClass()) return false;
044    
045            final DomainPrincipal that = (DomainPrincipal) o;
046    
047            if (!domain.equals(that.domain)) return false;
048            if (!principal.equals(that.principal)) return false;
049    
050            return true;
051        }
052    
053        /**
054         * Returns a string representation of this principal.
055         *
056         * @return a string representation of this principal.
057         */
058        public String toString() {
059            return getName();
060        }
061    
062        /**
063         * Returns a hashcode for this principal.
064         *
065         * @return a hashcode for this principal.
066         */
067        public int hashCode() {
068            int result;
069            result = domain.hashCode();
070            result = 29 * result + principal.hashCode();
071            return result;
072        }
073    
074        /**
075         * Returns the name of this principal.
076         *
077         * @return the name of this principal.
078         */
079        public String getName() {
080            if (name == null) {
081    
082                StringBuffer buffer = new StringBuffer("");
083                buffer.append(domain);
084                buffer.append("::");
085                buffer.append(principal.getClass().getName());
086                buffer.append(':');
087                buffer.append(principal.getName());
088                buffer.append("]");
089    
090                name = buffer.toString();
091            }
092            return name;
093    //        return principal.getName();
094        }
095    
096        /**
097         * Returns the principal that is associated with the realm.
098         *
099         * @return the principal that is associated with the realm.
100         */
101        public Principal getPrincipal() {
102            return principal;
103        }
104    
105        /**
106         * Returns the realm that is associated with the principal.
107         *
108         * @return the realm that is associated with the principal.
109         */
110        public String getDomain() {
111            return domain;
112        }
113    }