jvmMain.io.ktor.util.converters.ConversionServiceJvm.kt Maven / Gradle / Ivy
/*
* Copyright 2014-2021 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
*/
package io.ktor.util.converters
import java.math.*
import java.util.*
import kotlin.reflect.*
@OptIn(ExperimentalStdlibApi::class)
internal actual fun platformDefaultFromValues(value: String, klass: KClass<*>): Any? {
val converted = convertSimpleTypes(value, klass)
if (converted != null) {
return converted
}
if (klass.java.isEnum) {
return klass.java.enumConstants?.firstOrNull { (it as Enum<*>).name == value }
?: throw DataConversionException("Value $value is not a enum member name of $klass")
}
return null
}
@Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN")
private fun convertSimpleTypes(value: String, klass: KClass<*>): Any? = when (klass) {
java.lang.Integer::class -> value.toInt()
java.lang.Float::class -> value.toFloat()
java.lang.Double::class -> value.toDouble()
java.lang.Long::class -> value.toLong()
java.lang.Short::class -> value.toShort()
java.lang.Boolean::class -> value.toBoolean()
java.lang.String::class -> value
java.lang.Character::class -> value[0]
BigDecimal::class -> BigDecimal(value)
BigInteger::class -> BigInteger(value)
UUID::class -> UUID.fromString(value)
else -> null
}
@Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN")
internal actual fun platformDefaultToValues(value: Any): List? {
if (value is Enum<*>) {
return listOf(value.name)
}
return when (value) {
is java.lang.Integer -> listOf(value.toString())
is java.lang.Float -> listOf(value.toString())
is java.lang.Double -> listOf(value.toString())
is java.lang.Long -> listOf(value.toString())
is java.lang.Boolean -> listOf(value.toString())
is java.lang.Short -> listOf(value.toString())
is java.lang.String -> listOf(value.toString())
is java.lang.Character -> listOf(value.toString())
is BigDecimal -> listOf(value.toString())
is BigInteger -> listOf(value.toString())
is UUID -> listOf(value.toString())
else -> null
}
}