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.util;
019
020
021import java.util.LinkedHashMap;
022import java.util.Map;
023import java.util.Set;
024
025import net.jcip.annotations.NotThreadSafe;
026import net.minidev.json.JSONObject;
027
028
029/**
030 * Ordered JSON object.
031 */
032@NotThreadSafe
033public class OrderedJSONObject extends JSONObject {
034        
035        
036        /**
037         * Keeps an ordered copy of the JSON object members.
038         */
039        private final Map<String,Object> orderedMap = new LinkedHashMap<>();
040        
041        
042        @Override
043        public Object put(final String s, final Object o) {
044                orderedMap.put(s, o);
045                return super.put(s, o);
046        }
047        
048        
049        @Override
050        public void putAll(Map<? extends String, ?> map) {
051                orderedMap.putAll(map);
052                super.putAll(map);
053        }
054        
055        
056        @Override
057        public Set<String> keySet() {
058                return orderedMap.keySet();
059        }
060        
061        
062        @Override
063        public Set<Entry<String, Object>> entrySet() {
064                return orderedMap.entrySet();
065        }
066        
067        
068        @Override
069        public Object remove(Object o) {
070                orderedMap.remove(o);
071                return super.remove(o);
072        }
073        
074        
075        @Override
076        public void clear() {
077                orderedMap.clear();
078                super.clear();
079        }
080        
081        
082        @Override
083        public String toJSONString() {
084                return JSONObject.toJSONString(orderedMap);
085        }
086}