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-rw-r--r--examples/error_hook/src/error_hook.erl15
-rw-r--r--examples/error_hook/src/error_hook_app.erl19
-rw-r--r--examples/error_hook/src/error_hook_responder.erl21
3 files changed, 18 insertions, 37 deletions
diff --git a/examples/error_hook/src/error_hook.erl b/examples/error_hook/src/error_hook.erl
deleted file mode 100644
index 2cfd5cf..0000000
--- a/examples/error_hook/src/error_hook.erl
+++ /dev/null
@@ -1,15 +0,0 @@
-%% Feel free to use, reuse and abuse the code in this file.
-
--module(error_hook).
-
-%% API.
--export([start/0]).
-
-%% API.
-
-start() ->
- ok = application:start(crypto),
- ok = application:start(cowlib),
- ok = application:start(ranch),
- ok = application:start(cowboy),
- ok = application:start(error_hook).
diff --git a/examples/error_hook/src/error_hook_app.erl b/examples/error_hook/src/error_hook_app.erl
index 213eccf..7525cbe 100644
--- a/examples/error_hook/src/error_hook_app.erl
+++ b/examples/error_hook/src/error_hook_app.erl
@@ -16,9 +16,26 @@ start(_Type, _Args) ->
]),
{ok, _} = cowboy:start_http(http, 100, [{port, 8080}], [
{env, [{dispatch, Dispatch}]},
- {onresponse, fun error_hook_responder:respond/4}
+ {onresponse, fun error_hook/4}
]),
error_hook_sup:start_link().
stop(_State) ->
ok.
+
+error_hook(404, Headers, <<>>, Req) ->
+ {Path, Req2} = cowboy_req:path(Req),
+ Body = ["404 Not Found: \"", Path,
+ "\" is not the path you are looking for.\n"],
+ Headers2 = lists:keyreplace(<<"content-length">>, 1, Headers,
+ {<<"content-length">>, integer_to_list(iolist_size(Body))}),
+ {ok, Req3} = cowboy_req:reply(404, Headers2, Body, Req2),
+ Req3;
+error_hook(Code, Headers, <<>>, Req) when is_integer(Code), Code >= 400 ->
+ Body = ["HTTP Error ", integer_to_list(Code), $\n],
+ Headers2 = lists:keyreplace(<<"content-length">>, 1, Headers,
+ {<<"content-length">>, integer_to_list(iolist_size(Body))}),
+ {ok, Req2} = cowboy_req:reply(Code, Headers2, Body, Req),
+ Req2;
+error_hook(_Code, _Headers, _Body, Req) ->
+ Req.
diff --git a/examples/error_hook/src/error_hook_responder.erl b/examples/error_hook/src/error_hook_responder.erl
deleted file mode 100644
index 31f2d5b..0000000
--- a/examples/error_hook/src/error_hook_responder.erl
+++ /dev/null
@@ -1,21 +0,0 @@
-%% Feel free to use, reuse and abuse the code in this file.
-
--module(error_hook_responder).
-
--export([respond/4]).
-
-respond(404, Headers, <<>>, Req) ->
- {Path, Req2} = cowboy_req:path(Req),
- Body = <<"404 Not Found: \"", Path/binary, "\" is not the path you are looking for.\n">>,
- Headers2 = lists:keyreplace(<<"content-length">>, 1, Headers,
- {<<"content-length">>, integer_to_list(byte_size(Body))}),
- {ok, Req3} = cowboy_req:reply(404, Headers2, Body, Req2),
- Req3;
-respond(Code, Headers, <<>>, Req) when is_integer(Code), Code >= 400 ->
- Body = ["HTTP Error ", integer_to_list(Code), $\n],
- Headers2 = lists:keyreplace(<<"content-length">>, 1, Headers,
- {<<"content-length">>, integer_to_list(iolist_size(Body))}),
- {ok, Req2} = cowboy_req:reply(Code, Headers2, Body, Req),
- Req2;
-respond(_Code, _Headers, _Body, Req) ->
- Req.