1 files changed, 22 insertions, 0 deletions
diff --git a/examples/echo_get/src/toppage_h.erl b/examples/echo_get/src/toppage_h.erl
new file mode 100644
index 0000000..419b4d4
--- /dev/null
+++ b/examples/echo_get/src/toppage_h.erl
@@ -0,0 +1,22 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+%% @doc GET echo handler.
+-module(toppage_h).
+
+-export([init/2]).
+
+init(Req0, Opts) ->
+	Method = cowboy_req:method(Req0),
+	#{echo := Echo} = cowboy_req:match_qs([{echo, [], undefined}], Req0),
+	Req = echo(Method, Echo, Req0),
+	{ok, Req, Opts}.
+
+echo(<<"GET">>, undefined, Req) ->
+	cowboy_req:reply(400, #{}, <<"Missing echo parameter.">>, Req);
+echo(<<"GET">>, Echo, Req) ->
+	cowboy_req:reply(200, #{
+		<<"content-type">> => <<"text/plain; charset=utf-8">>
+	}, Echo, Req);
+echo(_, _, Req) ->
+	%% Method not allowed.
+	cowboy_req:reply(405, Req).