diff options
Diffstat (limited to 'examples/error_hook/src/error_hook_responder.erl')
| -rw-r--r-- | examples/error_hook/src/error_hook_responder.erl | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/examples/error_hook/src/error_hook_responder.erl b/examples/error_hook/src/error_hook_responder.erl new file mode 100644 index 0000000..31f2d5b --- /dev/null +++ b/examples/error_hook/src/error_hook_responder.erl @@ -0,0 +1,21 @@ +%% 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. |