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    package org.apache.servicemix.jbi.security;
018    
019    import java.security.Principal;
020    
021    
022    /**
023     *
024     */
025    public class UserPrincipal implements Principal {
026    
027        private final String name;
028        private transient int hash;
029    
030        public UserPrincipal(String name) {
031            if (name == null) {
032                throw new IllegalArgumentException("name cannot be null");
033            }
034            this.name = name;
035        }
036    
037        public String getName() {
038            return name;
039        }
040    
041        public boolean equals(Object o) {
042            if (this == o) {
043                return true;
044            }
045            if (o == null || getClass() != o.getClass()) {
046                return false;
047            }
048    
049            final UserPrincipal that = (UserPrincipal) o;
050    
051            if (!name.equals(that.name)) {
052                return false;
053            }
054    
055            return true;
056        }
057    
058        public int hashCode() {
059            if (hash == 0) {
060                hash = name.hashCode();
061            }
062            return hash;
063        }
064    
065        public String toString() {
066            return name;
067        }
068    }