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.annotation;
014
015import static java.lang.annotation.ElementType.*;
016import static java.lang.annotation.RetentionPolicy.*;
017
018import java.lang.annotation.*;
019
020import org.apache.juneau.annotation.*;
021import org.apache.juneau.json.*;
022import org.apache.juneau.serializer.*;
023
024/**
025 * Annotation for specifying config properties defined in {@link JsonSerializer} and {@link JsonParser}.
026 *
027 * <p>
028 * Used primarily for specifying bean configuration properties on REST classes and methods.
029 */
030@Documented
031@Target({TYPE,METHOD})
032@Retention(RUNTIME)
033@Inherited
034@PropertyStoreApply(JsonConfigApply.class)
035public @interface JsonConfig {
036
037   /**
038    * Optional rank for this config.
039    *
040    * <p>
041    * Can be used to override default ordering and application of config annotations.
042    */
043   int rank() default 0;
044
045   //-------------------------------------------------------------------------------------------------------------------
046   // JsonParser
047   //-------------------------------------------------------------------------------------------------------------------
048
049   /**
050    * Configuration property:  Validate end.
051    *
052    * <p>
053    * If <js>"true"</js>, after parsing a POJO from the input, verifies that the remaining input in
054    * the stream consists of only comments or whitespace.
055    *
056    * <ul class='notes'>
057    *    <li>
058    *       Possible values:
059    *       <ul>
060    *          <li><js>"true"</js>
061    *          <li><js>"false"</js> (default)
062    *       </ul>
063    *    <li>
064    *       Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
065    *    <li>
066    *       A default global value can be set via the system property <js>"JsonParser.validateEnd.b"</js>.
067    * </ul>
068    *
069    * <ul class='seealso'>
070    *    <li class='jf'>{@link JsonParser#JSON_validateEnd}
071    * </ul>
072    */
073   String validateEnd() default "";
074
075   //-------------------------------------------------------------------------------------------------------------------
076   // JsonSerializer
077   //-------------------------------------------------------------------------------------------------------------------
078
079   /**
080    * Configuration property:  Add <js>"_type"</js> properties when needed.
081    *
082    * <p>
083    * If <js>"true"</js>, then <js>"_type"</js> properties will be added to beans if their type cannot be inferred
084    * through reflection.
085    *
086    * <p>
087    * When present, this value overrides the {@link Serializer#SERIALIZER_addBeanTypes} setting and is
088    * provided to customize the behavior of specific serializers in a {@link SerializerGroup}.
089    *
090    * <ul class='notes'>
091    *    <li>
092    *       Possible values:
093    *       <ul>
094    *          <li><js>"true"</js>
095    *          <li><js>"false"</js> (default)
096    *       </ul>
097    *    <li>
098    *       Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
099    *    <li>
100    *       A default global value can be set via the system property <js>"JsonSerializer.addBeanTypes.b"</js>.
101    * </ul>
102    *
103    * <ul class='seealso'>
104    *    <li class='jf'>{@link JsonSerializer#JSON_addBeanTypes}
105    * </ul>
106    */
107   String addBeanTypes() default "";
108
109   /**
110    * Configuration property:  Prefix solidus <js>'/'</js> characters with escapes.
111    *
112    * <p>
113    * If <js>"true"</js>, solidus (e.g. slash) characters should be escaped.
114    * The JSON specification allows for either format.
115    * <br>However, if you're embedding JSON in an HTML script tag, this setting prevents confusion when trying to serialize
116    * <xt>&lt;\/script&gt;</xt>.
117    *
118    * <ul class='notes'>
119    *    <li>
120    *       Possible values:
121    *       <ul>
122    *          <li><js>"true"</js>
123    *          <li><js>"false"</js> (default)
124    *       </ul>
125    *    <li>
126    *       Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
127    *    <li>
128    *       A default global value can be set via the system property <js>"JsonSerializer.escapeSolidus.b"</js>.
129    * </ul>
130    *
131    * <ul class='seealso'>
132    *    <li class='jf'>{@link JsonSerializer#JSON_escapeSolidus}
133    * </ul>
134    */
135   String escapeSolidus() default "";
136
137   /**
138    * Configuration property:  Simple JSON mode.
139    *
140    * <p>
141    * If <js>"true"</js>, JSON attribute names will only be quoted when necessary.
142    * <br>Otherwise, they are always quoted.
143    *
144    * <p>
145    * Attributes do not need to be quoted when they conform to the following:
146    * <ol class='spaced-list'>
147    *    <li>They start with an ASCII character or <js>'_'</js>.
148    *    <li>They contain only ASCII characters or numbers or <js>'_'</js>.
149    *    <li>They are not one of the following reserved words:
150    *       <p class='bcode w800'>
151    *    arguments, break, case, catch, class, const, continue, debugger, default,
152    *    delete, do, else, enum, eval, export, extends, false, finally, for, function,
153    *    if, implements, import, in, instanceof, interface, let, new, null, package,
154    *    private, protected, public, return, static, super, switch, this, throw,
155    *    true, try, typeof, var, void, while, with, undefined, yield
156    *       </p>
157    * </ol>
158    *
159    * <ul class='notes'>
160    *    <li>
161    *       Possible values:
162    *       <ul>
163    *          <li><js>"true"</js>
164    *          <li><js>"false"</js> (default)
165    *       </ul>
166    *    <li>
167    *       Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
168    *    <li>
169    *       A default global value can be set via the system property <js>"JsonSerializer.simpleMode.b"</js>.
170    * </ul>
171    *
172    * <ul class='seealso'>
173    *    <li class='jf'>{@link JsonSerializer#JSON_simpleMode}
174    * </ul>
175    */
176   String simpleMode() default "";
177}