%%
%% %CopyrightBegin%
%% 
%% Copyright Ericsson AB 2015-2015. All Rights Reserved.
%% 
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%%     http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%% 
%% %CopyrightEnd%
%%
%%
-module(httpd_custom_api).

-callback response_default_headers() -> 
    [{Key::string(), Value::string()}].
-callback response_header({Key::string(), Value::string()}) -> 
    {true, {Key::string(), Value::string()}} | false |
    {true, string()}. %% Used internally to avoid traversing headers twice 
-callback request_header({Key::string(), Value::string()}) -> 
    {true, {Key::string(), Value::string()}} | false.

-optional_callbacks([response_default_headers/0, response_header/1,
		     request_header/1]).