001/* 002 * oauth2-oidc-sdk 003 * 004 * Copyright 2012-2016, Connect2id Ltd and contributors. 005 * 006 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use 007 * this file except in compliance with the License. You may obtain a copy of the 008 * License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software distributed 013 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 014 * CONDITIONS OF ANY KIND, either express or implied. See the License for the 015 * specific language governing permissions and limitations under the License. 016 */ 017 018package com.nimbusds.oauth2.sdk.id; 019 020 021import net.jcip.annotations.Immutable; 022 023 024/** 025 * Subject (user) identifier. 026 */ 027@Immutable 028public final class Subject extends Identifier { 029 030 031 /** 032 * Creates a new subject identifier with the specified value. 033 * 034 * @param value The subject identifier value. Must not be {@code null} 035 * or empty string. 036 */ 037 public Subject(final String value) { 038 039 super(value); 040 } 041 042 043 /** 044 * Creates a new subject identifier with a randomly generated value of 045 * the specified byte length, Base64URL-encoded. 046 * 047 * @param byteLength The byte length of the value to generate. Must be 048 * greater than one. 049 */ 050 public Subject(final int byteLength) { 051 052 super(byteLength); 053 } 054 055 056 /** 057 * Creates a new subject identifier with a randomly generated 256-bit 058 * (32-byte) value, Base64URL-encoded. 059 */ 060 public Subject() { 061 062 super(); 063 } 064 065 066 @Override 067 public boolean equals(final Object object) { 068 069 return object instanceof Subject && 070 this.toString().equals(object.toString()); 071 } 072}