1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
%% Feel free to use, reuse and abuse the code in this file.
%% @doc Hello world handler.
-module(toppage_handler).
-export([init/3]).
-export([content_types_provided/2]).
-export([hello_to_html/2]).
-export([hello_to_json/2]).
-export([hello_to_text/2]).
init(_Transport, _Req, []) ->
{upgrade, protocol, cowboy_http_rest}.
content_types_provided(Req, State) ->
{[
{<<"text/html">>, hello_to_html},
{<<"application/json">>, hello_to_json},
{<<"text/plain">>, hello_to_text}
], Req, State}.
hello_to_html(Req, State) ->
Body = <<"<html>
<head>
<meta charset=\"utf-8\">
<title>REST Hello World!</title>
</head>
<body>
<p>REST Hello World as HTML!</p>
</body>
</html>">>,
{Body, Req, State}.
hello_to_json(Req, State) ->
Body = <<"{\"rest\": \"Hello World!\"}">>,
{Body, Req, State}.
hello_to_text(Req, State) ->
{<<"REST Hello World as text!">>, Req, State}.
|
