Play Framework CRUD

Question

I wanted to develop a RESTful Application with use of CRUD in Play framework. Unfortunately I can't find a way to define DELETE and PUT in the routes of Play. Maybe there is just POST and GET available in Play?

Rimester

Answer 1

Are you sure you cannot use DELETE/PUT? The docs say otherwise.

The HTTP method

The HTTP method can be any of the valid methods supported by HTTP (GET, POST, PUT, DELETE, HEAD).

http://www.playframework.org/documentation/2.0.4/JavaRouting

Doha

Answer 2

Play 2.x has not a CRUD module known from 1.x branch (IMHO fortunately), for defining routes using not standard methods like DELETE or PUT you need to just use required method in the route:

conf/routes:

PUT     /put-item     controllers.Application.putItem()

Anyway to use them from the browser methods other than GET or POST you'll need to create an AJAX call, There is a large step-by-step sample on this topic, anyway you can also build it with common jQuery.ajax() by defining the request type

$.ajax({
  type: "PUT",
  url: "@routes.Application.putItem()",
  data: { name: "John", location: "Boston" }
}).done(function( msg ) {
  alert( "Data Saved: " + msg );
});

Matheson

Answer 3

A good way to define these is using a wildcard (*) This will allow you to use any method valid http method, including those that you have asked about.

For example,

*  /items/{id}               Items.display

in routes will allow a GET /items/15 or a PUT /items/15. Use wildcards like this to make your route definitions simpler and more flexible.

Contrasty

Answer 4

Don't forget OPTIONS method, if you going to use PUT or DELETE from web browser.

Danella

Answer 5

Here is what I did for Delete and Update

 POST   /path/:id                 controllers.Controller.update(id: Integer)
 POST   /path/:id/delete          controllers.Controller.delete(id: Integer)

And in Controller just

 public static Result delete(Integer id) {
    Result result = null;
    if(id>0){
        //your code
    }
    else{
        result = ok("invalid id");
    }
     return result;
}

It worked for us for delete and puts

If your intention is only to use RESTFul of play framework and you are using Java it is better use CXF or Spring webservices or Jersey. Play is a fantastic framework but best fit with play is scala

Prim

Answer 6

This is an example router in a play scala application that uses the most prominent http verbs:

GET     /                                    controllers.Application.listProjects
PUT     /projects/:name                      controllers.Application.createProject(name: String)
GET     /projects/list                       controllers.Application.listProjects
GET     /projects/:id                        controllers.Application.projects(id: Long)
PUT     /projects/:id/:name                  controllers.Application.addTaskToProject(name: String, id: Long)
PATCH   /tasks/:id                           controllers.Application.modifyTask(id: Long, color:Option[String] ?= None)

You can have a look at the whole play scala example project here: https://github.com/nemoo/play-slick3-example

Inconsistency