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.token; 019 020 021import java.util.Set; 022 023import net.minidev.json.JSONObject; 024 025import com.nimbusds.oauth2.sdk.id.Identifier; 026 027 028/** 029 * The base abstract class for access and refresh tokens. Concrete extending 030 * classes should be immutable. 031 * 032 * <p>Related specifications: 033 * 034 * <ul> 035 * <li>OAuth 2.0 (RFC 6749), sections 1.4 and 1.5. 036 * </ul> 037 */ 038public abstract class Token extends Identifier { 039 040 041 private static final long serialVersionUID = 1797025947209047077L; 042 043 044 /** 045 * Creates a new token with the specified value. 046 * 047 * @param value The token value. Must not be {@code null} or empty 048 * string. 049 */ 050 protected Token(final String value) { 051 052 super(value); 053 } 054 055 056 /** 057 * Creates a new token with a randomly generated value of the specified 058 * byte length, Base64URL-encoded. 059 * 060 * @param byteLength The byte length of the value to generate. Must be 061 * greater than one. 062 */ 063 protected Token(final int byteLength) { 064 065 super(byteLength); 066 } 067 068 069 /** 070 * Creates a new token with a randomly generated 256-bit (32-byte) 071 * value, Base64URL-encoded. 072 */ 073 protected Token() { 074 075 super(); 076 } 077 078 079 /** 080 * Returns the token parameter names included in the JSON object, as 081 * required for the composition of an access token response. See OAuth 082 * 2.0 (RFC 6749), section 5.1. 083 * 084 * @return The token parameter names. 085 */ 086 public abstract Set<String> getParameterNames(); 087 088 089 /** 090 * Returns the token parameters as a JSON object, as required for the 091 * composition of an access token response. See OAuth 2.0 (RFC 6749), 092 * section 5.1. 093 * 094 * <p>Note that JSONObject implements {@literal Map<String,Object>}. 095 * 096 * <p>Example: 097 * 098 * <pre> 099 * { 100 * "access_token" : "2YotnFZFEjr1zCsicMWpAA", 101 * "token_type" : "example", 102 * "expires_in" : 3600, 103 * "example_parameter" : "example_value" 104 * } 105 * </pre> 106 * 107 * @return The token parameters as a JSON object. 108 */ 109 public abstract JSONObject toJSONObject(); 110}