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
022
023 /**
024 * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
025 */
026 public class SubjectId implements Serializable {
027 private final Long subjectId;
028 private final byte[] hash;
029 private transient int hashCode;
030 private transient String name;
031
032 public SubjectId(Long subjectId, byte[] hash) {
033 this.subjectId = subjectId;
034 this.hash = hash;
035 }
036
037 public Long getSubjectId() {
038 return subjectId;
039 }
040
041 public byte[] getHash() {
042 return hash;
043 }
044
045 public boolean equals(Object obj) {
046 if (!(obj instanceof SubjectId)) return false;
047
048 SubjectId another = (SubjectId) obj;
049 if (!another.subjectId.equals(subjectId)) return false;
050 for (int i = 0; i < hash.length; i++) {
051 if (another.hash[i] != hash[i]) return false;
052 }
053 return true;
054 }
055
056 public String toString() {
057 if (name == null) {
058 StringBuffer buffer = new StringBuffer();
059 buffer.append('[');
060 buffer.append(subjectId);
061 buffer.append(":0x");
062 for (int i = 0; i < hash.length; i++) {
063 buffer.append(HEXCHAR[(hash[i]>>>4)&0x0F]);
064 buffer.append(HEXCHAR[(hash[i] )&0x0F]);
065 }
066 buffer.append(']');
067 name = buffer.toString();
068 }
069 return name;
070 }
071
072 /**
073 * Returns a hashcode for this LoginModuleId.
074 *
075 * @return a hashcode for this LoginModuleId.
076 */
077 public int hashCode() {
078 if (hashCode == 0) {
079 for (int i = 0; i < hash.length; i++) {
080 hashCode ^= hash[i];
081 }
082 hashCode ^= subjectId.hashCode();
083 }
084 return hashCode;
085 }
086
087 private static final char[] HEXCHAR = {
088 '0', '1', '2', '3', '4', '5', '6', '7',
089 '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
090 };
091 }