Hands-On Microservices with Kotlin

Working with complex objects

Serialization works for complex objects as well. For example, we can create a new class named ComplexObject:

package com.microservices.chapter3data class ComplexObject(var object1 : SimpleObject? = null)

Then, modify our controller to use it:

package com.microservices.chapter3import org.springframework.web.bind.annotation.GetMappingimport org.springframework.web.bind.annotation.RestController@RestControllerclass JsonExamplesController {  @GetMapping(value = "/json")  fun getJson() = ComplexObject(object1 = SimpleObject("more", "complex"))}

Then, if we request again the URL http://localhost:8080/json, we should get:

{"object1":{"name":"more","place":"complex"}}

Since our ComplexObject is a data class, it will have ...