diff options
| -rw-r--r-- | examples/rest_hello_world/README.md | 16 | ||||
| -rw-r--r-- | examples/rest_hello_world/rebar.config | 4 | ||||
| -rw-r--r-- | examples/rest_hello_world/src/rest_hello_world.app.src | 15 | ||||
| -rw-r--r-- | examples/rest_hello_world/src/rest_hello_world.erl | 12 | ||||
| -rw-r--r-- | examples/rest_hello_world/src/rest_hello_world_app.erl | 26 | ||||
| -rw-r--r-- | examples/rest_hello_world/src/rest_hello_world_sup.erl | 23 | ||||
| -rw-r--r-- | examples/rest_hello_world/src/toppage_handler.erl | 39 | ||||
| -rwxr-xr-x | examples/rest_hello_world/start.sh | 6 |
8 files changed, 141 insertions, 0 deletions
diff --git a/examples/rest_hello_world/README.md b/examples/rest_hello_world/README.md new file mode 100644 index 0000000..6b62bd7 --- /dev/null +++ b/examples/rest_hello_world/README.md @@ -0,0 +1,16 @@ +Cowboy Hello World +================== + +To compile this example you need rebar in your PATH. + +Type the following command: +``` +$ rebar get-deps compile +``` + +You can then start the Erlang node with the following command: +``` +./start.sh +``` + +Then run any given command or point your browser to the indicated URL. diff --git a/examples/rest_hello_world/rebar.config b/examples/rest_hello_world/rebar.config new file mode 100644 index 0000000..6ad3062 --- /dev/null +++ b/examples/rest_hello_world/rebar.config @@ -0,0 +1,4 @@ +{deps, [ + {cowboy, ".*", + {git, "git://github.com/extend/cowboy.git", "master"}} +]}. diff --git a/examples/rest_hello_world/src/rest_hello_world.app.src b/examples/rest_hello_world/src/rest_hello_world.app.src new file mode 100644 index 0000000..81446bd --- /dev/null +++ b/examples/rest_hello_world/src/rest_hello_world.app.src @@ -0,0 +1,15 @@ +%% Feel free to use, reuse and abuse the code in this file. + +{application, rest_hello_world, [ + {description, "Cowboy REST Hello World example."}, + {vsn, "1"}, + {modules, []}, + {registered, []}, + {applications, [ + kernel, + stdlib, + cowboy + ]}, + {mod, {rest_hello_world_app, []}}, + {env, []} +]}. diff --git a/examples/rest_hello_world/src/rest_hello_world.erl b/examples/rest_hello_world/src/rest_hello_world.erl new file mode 100644 index 0000000..7a63e41 --- /dev/null +++ b/examples/rest_hello_world/src/rest_hello_world.erl @@ -0,0 +1,12 @@ +%% Feel free to use, reuse and abuse the code in this file. + +-module(rest_hello_world). + +%% API. +-export([start/0]). + +%% API. + +start() -> + ok = application:start(cowboy), + ok = application:start(rest_hello_world). diff --git a/examples/rest_hello_world/src/rest_hello_world_app.erl b/examples/rest_hello_world/src/rest_hello_world_app.erl new file mode 100644 index 0000000..01560f0 --- /dev/null +++ b/examples/rest_hello_world/src/rest_hello_world_app.erl @@ -0,0 +1,26 @@ +%% Feel free to use, reuse and abuse the code in this file. + +%% @private +-module(rest_hello_world_app). +-behaviour(application). + +%% API. +-export([start/2]). +-export([stop/1]). + +%% API. + +start(_Type, _Args) -> + Dispatch = [ + {'_', [ + {[], toppage_handler, []} + ]} + ], + {ok, _} = cowboy:start_listener(http, 100, + cowboy_tcp_transport, [{port, 8080}], + cowboy_http_protocol, [{dispatch, Dispatch}] + ), + rest_hello_world_sup:start_link(). + +stop(_State) -> + ok. diff --git a/examples/rest_hello_world/src/rest_hello_world_sup.erl b/examples/rest_hello_world/src/rest_hello_world_sup.erl new file mode 100644 index 0000000..3c0cecc --- /dev/null +++ b/examples/rest_hello_world/src/rest_hello_world_sup.erl @@ -0,0 +1,23 @@ +%% Feel free to use, reuse and abuse the code in this file. + +%% @private +-module(rest_hello_world_sup). +-behaviour(supervisor). + +%% API. +-export([start_link/0]). + +%% supervisor. +-export([init/1]). + +%% API. + +-spec start_link() -> {ok, pid()}. +start_link() -> + supervisor:start_link({local, ?MODULE}, ?MODULE, []). + +%% supervisor. + +init([]) -> + Procs = [], + {ok, {{one_for_one, 10, 10}, Procs}}. diff --git a/examples/rest_hello_world/src/toppage_handler.erl b/examples/rest_hello_world/src/toppage_handler.erl new file mode 100644 index 0000000..8ee1904 --- /dev/null +++ b/examples/rest_hello_world/src/toppage_handler.erl @@ -0,0 +1,39 @@ +%% 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}. diff --git a/examples/rest_hello_world/start.sh b/examples/rest_hello_world/start.sh new file mode 100755 index 0000000..0533474 --- /dev/null +++ b/examples/rest_hello_world/start.sh @@ -0,0 +1,6 @@ +#!/bin/sh +erl -pa ebin deps/*/ebin -s rest_hello_world \ + -eval "io:format(\"Get HTML: curl -i http://localhost:8080~n\")." \ + -eval "io:format(\"Get JSON: curl -i -H \\\"Accept: application/json\\\" http://localhost:8080~n\")." \ + -eval "io:format(\"Get text: curl -i -H \\\"Accept: text/plain\\\" http://localhost:8080~n\")." \ + -eval "io:format(\"Get a 406: curl -i -H \\\"Accept: text/css\\\" http://localhost:8080~n\")." |