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 /** 025 * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $ 026 */ 027 public class IdentificationPrincipal implements Principal, Serializable { 028 private final SubjectId id; 029 private transient String name; 030 031 public IdentificationPrincipal(SubjectId id) { 032 this.id = id; 033 } 034 035 public SubjectId getId() { 036 return id; 037 } 038 039 /** 040 * Compares this principal to the specified object. Returns true 041 * if the object passed in matches the principal represented by 042 * the implementation of this interface. 043 * 044 * @param another principal to compare with. 045 * @return true if the principal passed in is the same as that 046 * encapsulated by this principal, and false otherwise. 047 */ 048 public boolean equals(Object another) { 049 if (!(another instanceof IdentificationPrincipal)) return false; 050 051 IdentificationPrincipal idPrincipal = (IdentificationPrincipal) another; 052 053 return id.equals(idPrincipal.id); 054 } 055 056 /** 057 * Returns a string representation of this principal. 058 * 059 * @return a string representation of this principal. 060 */ 061 public String toString() { 062 return getName(); 063 } 064 065 /** 066 * Returns a hashcode for this principal. 067 * 068 * @return a hashcode for this principal. 069 */ 070 public int hashCode() { 071 return getName().hashCode(); 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(getClass().getName()); 084 buffer.append("["); 085 buffer.append(id); 086 buffer.append("]"); 087 088 name = buffer.toString(); 089 } 090 return name; 091 } 092 }