57 lines
1.6 KiB
Erlang
57 lines
1.6 KiB
Erlang
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%% @author Bob Ippolito <bob@mochimedia.com>
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%% @copyright 2007 Mochi Media, Inc.
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%% @doc Response abstraction.
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-module(mochiweb_response, [Request, Code, Headers]).
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-author('bob@mochimedia.com').
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-define(QUIP, "Any of you quaids got a smint?").
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-export([get_header_value/1, get/1, dump/0]).
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-export([send/1, write_chunk/1]).
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%% @spec get_header_value(string() | atom() | binary()) -> string() | undefined
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%% @doc Get the value of the given response header.
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get_header_value(K) ->
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mochiweb_headers:get_value(K, Headers).
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%% @spec get(request | code | headers) -> term()
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%% @doc Return the internal representation of the given field.
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get(request) ->
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Request;
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get(code) ->
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Code;
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get(headers) ->
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Headers.
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%% @spec dump() -> {mochiweb_request, [{atom(), term()}]}
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%% @doc Dump the internal representation to a "human readable" set of terms
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%% for debugging/inspection purposes.
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dump() ->
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[{request, Request:dump()},
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{code, Code},
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{headers, mochiweb_headers:to_list(Headers)}].
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%% @spec send(iodata()) -> ok
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%% @doc Send data over the socket if the method is not HEAD.
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send(Data) ->
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case Request:get(method) of
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'HEAD' ->
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ok;
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_ ->
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Request:send(Data)
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end.
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%% @spec write_chunk(iodata()) -> ok
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%% @doc Write a chunk of a HTTP chunked response. If Data is zero length,
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%% then the chunked response will be finished.
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write_chunk(Data) ->
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case Request:get(version) of
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Version when Version >= {1, 1} ->
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Length = iolist_size(Data),
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send([io_lib:format("~.16b\r\n", [Length]), Data, <<"\r\n">>]);
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_ ->
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send(Data)
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end.
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