Hands-On Microservices with Kotlin

Getting path variables

In Spring, we can get values coming into the URL using the annotation @PathVariable. Let's modify our controller to illustrate how:

package com.microservices.chapter3import org.springframework.beans.factory.annotation.Autowiredimport org.springframework.web.bind.annotation.PathVariableimport org.springframework.web.bind.annotation.RequestMappingimport org.springframework.web.bind.annotation.RequestMethodimport org.springframework.web.bind.annotation.RestControllerimport java.util.concurrent.ConcurrentHashMap@RestControllerclass CustomerController {  @Autowired  lateinit var customers : ConcurrentHashMap<Int, Customer>  @RequestMapping(value = "/customer/{id}", method = arrayOf(RequestMethod.GET))  fun getCustomer(@PathVariable ...