001// *************************************************************************************************************************** 002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * 003// * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * 004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance * 005// * with the License. You may obtain a copy of the License at * 006// * * 007// * http://www.apache.org/licenses/LICENSE-2.0 * 008// * * 009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an * 010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * 011// * specific language governing permissions and limitations under the License. * 012// *************************************************************************************************************************** 013package org.apache.juneau.json; 014 015import org.apache.juneau.*; 016import org.apache.juneau.collections.*; 017 018/** 019 * Serializes POJO models to Simplified JSON. 020 * 021 * <h5 class='topic'>Media types</h5> 022 * 023 * Handles <c>Accept</c> types: <bc>application/json, text/json</bc> 024 * <p> 025 * Produces <c>Content-Type</c> types: <bc>application/json+simple</bc> 026 * 027 * <h5 class='topic'>Description</h5> 028 * <p> 029 * This is a JSON serializer that uses simplified notation: 030 * <ul class='spaced-list'> 031 * <li>Lax quoting of JSON attribute names. 032 * <li>Single quotes. 033 * </ul> 034 * 035 * <ul class='seealso'> 036 * <li class='link'>{@doc SimplifiedJson} 037 * </ul> 038 */ 039public class SimpleJsonSerializer extends JsonSerializer { 040 041 //------------------------------------------------------------------------------------------------------------------- 042 // Predefined instances 043 //------------------------------------------------------------------------------------------------------------------- 044 045 /** Default serializer, single quotes, {@link #JSON_simpleMode simple mode}. */ 046 public static final SimpleJsonSerializer DEFAULT = new SimpleJsonSerializer(PropertyStore.DEFAULT); 047 048 /** Default serializer, single quotes, simple mode, with whitespace. */ 049 public static final SimpleJsonSerializer DEFAULT_READABLE = new Readable(PropertyStore.DEFAULT); 050 051 //------------------------------------------------------------------------------------------------------------------- 052 // Predefined subclasses 053 //------------------------------------------------------------------------------------------------------------------- 054 055 /** Default serializer, single quotes, simple mode, with whitespace. */ 056 public static class Readable extends SimpleJsonSerializer { 057 058 /** 059 * Constructor. 060 * 061 * @param ps The property store containing all the settings for this object. 062 */ 063 public Readable(PropertyStore ps) { 064 super( 065 ps.builder() 066 .setDefault(JSON_simpleMode, true) 067 .setDefault(WSERIALIZER_quoteChar, '\'') 068 .setDefault(WSERIALIZER_useWhitespace, true) 069 .build() 070 ); 071 } 072 } 073 074 /** 075 * Constructor. 076 * 077 * @param ps The property store containing all the settings for this object. 078 */ 079 public SimpleJsonSerializer(PropertyStore ps) { 080 super( 081 ps.builder() 082 .setDefault(JSON_simpleMode, true) 083 .setDefault(WSERIALIZER_quoteChar, '\'') 084 .build(), 085 "application/json", "application/json+simple,text/json+simple,application/json;q=0.9,text/json;q=0.9" 086 ); 087 } 088 089 @Override /* Context */ 090 public SimpleJsonSerializerBuilder builder() { 091 return new SimpleJsonSerializerBuilder(getPropertyStore()); 092 } 093 094 /** 095 * Instantiates a new clean-slate {@link SimpleJsonSerializerBuilder} object. 096 * 097 * <p> 098 * This is equivalent to simply calling <code><jk>new</jk> SimpleJsonSerializerBuilder()</code>. 099 * 100 * @return A new {@link SimpleJsonSerializerBuilder} object. 101 */ 102 public static SimpleJsonSerializerBuilder create() { 103 return new SimpleJsonSerializerBuilder(); 104 } 105 106 //----------------------------------------------------------------------------------------------------------------- 107 // Other methods 108 //----------------------------------------------------------------------------------------------------------------- 109 110 @Override /* Context */ 111 public OMap toMap() { 112 return super.toMap() 113 .a("SimpleJsonSerializer", new DefaultFilteringOMap() 114 ); 115 } 116}