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RequestParameterConverter¶

@GET("posts/{postId}/comments")
suspend fun getCommentsById(@RequestType(Int::class) @Path("postId") postId: String): List<Comment>

You can set RequestType at a parameter with a type to which the parameter should be converted.

Then you need to implement a Converter factory with a RequestParameterConverter.

class StringToIntRequestConverterFactory : Converter.Factory {
    override fun requestParameterConverter(
        parameterType: KClass<*>,
        requestType: KClass<*>
    ): Converter.RequestParameterConverter? {
        return object : Converter.RequestParameterConverter {
            override fun convert(data: Any): Any {
                //convert the data
            }
        }
    }
}

ktorfit.converterFactories(StringToIntRequestConverterFactory())

Last update: May 27, 2023