Java - Spring REST - more parameters

Question

I am trying to understand Spring REST and REST services. I have created a controller for POST request like this:

@RequestMapping(method = RequestMethod.POST, path = "newItem")
public ResponseEntity<Item> createItem(
        @RequestParam(value = "name") String name,
        @RequestParam(value = "date") String date,
        @RequestParam(value = "location") String location) {

    Item item = new Item(name, date, location);

        //save into database
}

My question is: What if my Item has let's say 15 attributes. Do I need to create @RequestParam for each of it? Or is that another way of doing it? Could you give me some point where to start?

Vasu · Accepted Answer · 2017-03-26 20:12:32Z

1

What if my Item has let's say 15 attributes. Do I need to create @RequestParam for each of it? Or is that another way of doing it? Could you give me some point where to start?

POST request data should be part of body, they should n't be consumed using @RequestParam, so change your controller method as shown below:

@RequestMapping(method = RequestMethod.POST, path = "newItem")
public ResponseEntity<Item> createItem(@RequestBody Item item) {

    Item item = new Item(name, date, location);
        //save into database
    }

So, when the request is received by the Spring DispatcherServlet, the item object will be populated (called deserialization) with the request data.

You can look here for more details @RequestBody

edited Mar 26, 2017 at 20:12

answered Mar 26, 2017 at 19:59

Vasu

22.6k11 gold badges54 silver badges71 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

miskohut Over a year ago

This is exactly it. The one thing for others. Make your model class with one public constructor with no arguments. This will allow the framework to create object by any number of attributes present in the @Requestbody.

Natalia · Accepted Answer · 2017-03-26 19:58:51Z

0

Usuarl approach in case of POST it to send data in request body.

@RequestBody String postReqeust

Also, spring provide several converters of request body to object. For example, you can define class Itm that describes json object and define methods

public ResponseEntity<Item> createItem( @RequestBody NewItemReqeust request)

answered Mar 26, 2017 at 19:58

Natalia

4,5322 gold badges27 silver badges28 bronze badges

Collectives™ on Stack Overflow

Java - Spring REST - more parameters

2 Answers 2

1 Comment

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

1 Comment

Comments

Your Answer

Sign up or log in

Post as a guest

Related