Building Applications with Spring 5 and Kotlin

What else is available?

We can map requests in several ways and support multiple methods with different media types (JSON, XML, and so on). For HTTP method mapping, Spring supports the following annotations:

• @PostMapping maps the POST method
• @PutMapping maps the PUT method
• @DeleteMapping maps the DELETE method, and so on

The same can be achieved like this:

@RequestMapping( 
            method = arrayOf(RequestMethod.GET), 
            value = "/obtain", 
            produces = arrayOf(MediaType.APPLICATION_JSON_VALUE) 
) fun getNotes(): String ... 

Note that we can assign multiple HTTP methods to request mapping!

Let's take a look at the parameters which annotations accept. Open the source code for the @GetMapping annotation. You will notice that actually, all parameters are ...