openapi-generator/docs/generators/kotlin.md

title	sidebar_label
Config Options for kotlin	kotlin

Option	Description	Values	Default
sourceFolder	source folder for generated code		src/main/kotlin
packageName	Generated artifact package name.		org.openapitools.client
apiSuffix	suffix for api classes		Api
groupId	Generated artifact package's organization (i.e. maven groupId).		org.openapitools
artifactId	Generated artifact id (name of jar).		kotlin-client
artifactVersion	Generated artifact's package version.		1.0.0
enumPropertyNaming	Naming convention for enum properties: 'camelCase', 'PascalCase', 'snake_case', 'UPPERCASE', and 'original'		camelCase
serializationLibrary	What serialization library to use: 'moshi' (default), or 'gson'		moshi
parcelizeModels	toggle "@Parcelize" for generated models		null
serializableModel	boolean - toggle "implements Serializable" for generated models		null
sortParamsByRequiredFlag	Sort method arguments to place required parameters before optional parameters.		null
sortModelPropertiesByRequiredFlag	Sort model properties to place required parameters before optional parameters.		null
modelMutable	Create mutable models		false
dateLibrary	Option. Date library to use	threetenbp-localdatetime Threetenbp - Backport of JSR310 (jvm only, for legacy app only) string String java8-localdatetime Java 8 native JSR310 (jvm only, for legacy app only) java8 Java 8 native JSR310 (jvm only, preferred for jdk 1.8+) threetenbp Threetenbp - Backport of JSR310 (jvm only, preferred for jdk < 1.8)	java8
collectionType	Option. Collection type to use	array kotlin.Array list kotlin.collections.List	array
library	Library template (sub-template) to use	jvm-okhttp4 [DEFAULT] Platform: Java Virtual Machine. HTTP client: OkHttp 4.2.0 (Android 5.0+ and Java 8+). JSON processing: Moshi 1.8.0. jvm-okhttp3 Platform: Java Virtual Machine. HTTP client: OkHttp 3.12.4 (Android 2.3+ and Java 7+). JSON processing: Moshi 1.8.0. jvm-retrofit2 Platform: Java Virtual Machine. HTTP client: Retrofit 2.6.2. multiplatform Platform: Kotlin multiplatform. HTTP client: Ktor 1.2.4. JSON processing: Kotlinx Serialization: 0.12.0.	jvm-okhttp4
requestDateConverter	JVM-Option. Defines in how to handle date-time objects that are used for a request (as query or parameter)	toJson Date formater option using a json converter. toString [DEFAULT] Use the 'toString'-method of the date-time object to retrieve the related string representation.	toString

IMPORT MAPPING

Type/Alias	Imports
LocalDateTime	java.time.LocalDateTime
LocalTime	java.time.LocalTime
UUID	java.util.UUID
URI	java.net.URI
File	java.io.File
Timestamp	java.sql.Timestamp
LocalDate	java.time.LocalDate
BigDecimal	java.math.BigDecimal
Date	java.util.Date
DateTime	java.time.LocalDateTime

INSTANTIATION TYPES

Type/Alias	Instantiated By
array	kotlin.arrayOf
list	kotlin.arrayOf
map	kotlin.mapOf

LANGUAGE PRIMITIVES

• kotlin.collections.List
• kotlin.Float
• kotlin.Double
• kotlin.String
• kotlin.Array
• kotlin.Byte
• kotlin.collections.Map
• kotlin.Short
• kotlin.Boolean
• kotlin.Long
• kotlin.Char
• kotlin.ByteArray
• kotlin.Int
• kotlin.collections.Set

RESERVED WORDS

• for
• do
• interface
• while
• when
• continue
• else
• typealias
• class
• if
• typeof
• val
• package
• break
• in
• var
• false
• this
• is
• super
• as
• null
• throw
• true
• try
• fun
• return
• object