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.*; 016 017/** 018 * Serializes POJO models to Simplified JSON. 019 * 020 * <h5 class='topic'>Media types</h5> 021 * 022 * Handles <c>Accept</c> types: <bc>application/json, text/json</bc> 023 * <p> 024 * Produces <c>Content-Type</c> types: <bc>application/json+simple</bc> 025 * 026 * <h5 class='topic'>Description</h5> 027 * <p> 028 * This is a JSON serializer that uses simplified notation: 029 * <ul class='spaced-list'> 030 * <li>Lax quoting of JSON attribute names. 031 * <li>Single quotes. 032 * </ul> 033 * 034 * <ul class='seealso'> 035 * <li class='link'>{@doc SimpleJson} 036 * </ul> 037 */ 038public class SimpleJsonSerializer extends JsonSerializer { 039 040 //------------------------------------------------------------------------------------------------------------------- 041 // Predefined instances 042 //------------------------------------------------------------------------------------------------------------------- 043 044 /** Default serializer, single quotes, {@link #JSON_simpleMode simple mode}. */ 045 public static final JsonSerializer DEFAULT = new SimpleJsonSerializer(PropertyStore.DEFAULT); 046 047 /** Default serializer, single quotes, simple mode, with whitespace. */ 048 public static final JsonSerializer DEFAULT_READABLE = new Readable(PropertyStore.DEFAULT); 049 050 //------------------------------------------------------------------------------------------------------------------- 051 // Predefined subclasses 052 //------------------------------------------------------------------------------------------------------------------- 053 054 /** Default serializer, single quotes, simple mode, with whitespace. */ 055 public static class Readable extends SimpleJsonSerializer { 056 057 /** 058 * Constructor. 059 * 060 * @param ps The property store containing all the settings for this object. 061 */ 062 public Readable(PropertyStore ps) { 063 super( 064 ps.builder() 065 .set(JSON_simpleMode, true) 066 .set(WSERIALIZER_quoteChar, '\'') 067 .set(WSERIALIZER_useWhitespace, true) 068 .build() 069 ); 070 } 071 } 072 073 /** 074 * Constructor. 075 * 076 * @param ps The property store containing all the settings for this object. 077 */ 078 public SimpleJsonSerializer(PropertyStore ps) { 079 super( 080 ps.builder() 081 .set(JSON_simpleMode, true) 082 .set(WSERIALIZER_quoteChar, '\'') 083 .build(), 084 "application/json", "application/json+simple,text/json+simple,application/json;q=0.9,text/json;q=0.9" 085 ); 086 } 087 088 //----------------------------------------------------------------------------------------------------------------- 089 // Other methods 090 //----------------------------------------------------------------------------------------------------------------- 091 092 @Override /* Context */ 093 public ObjectMap toMap() { 094 return super.toMap() 095 .append("SimpleJsonSerializer", new DefaultFilteringObjectMap() 096 ); 097 } 098}