1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Copyright 2013 Frederic Sevillano
4 # Copyright 2013 Jean-Philippe Caissy <jpcaissy@piji.ca>
5 # Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
7 # Licensed under the Apache License, Version 2.0 (the "License");
8 # you may not use this file except in compliance with the License.
9 # You may obtain a copy of the License at
11 # http://www.apache.org/licenses/LICENSE-2.0
13 # Unless required by applicable law or agreed to in writing, software
14 # distributed under the License is distributed on an "AS IS" BASIS,
15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 # See the License for the specific language governing permissions and
17 # limitations under the License.
19 # Provides the `HttpResponse` class and `http_status_codes`
22 # A response to send over HTTP
25 # HTTP protocol version
26 var http_version
= "HTTP/1.0" is writable
28 # Status code of this response (200, 404, etc.)
29 var status_code
: Int is writable
31 # Return the message associated to `status_code`
32 fun status_message
: nullable String do return http_status_codes
[status_code
]
34 # Headers of this response as a `Map`
35 var header
= new HashMap[String, String]
37 # Body of this response
38 var body
= "" is writable
40 # Finalize this response before sending it over HTTP
43 # Set the content length if not already set
44 if not header
.keys
.has
("Content-Length") then
45 header
["Content-Length"] = body
.length
.to_s
49 if not header
.keys
.has
("Server") then header
["Server"] = "unitcorn"
52 # Get this reponse as a string according to HTTP protocol
53 redef fun to_s
: String
57 var buf
= new FlatBuffer
58 buf
.append
("{http_version} {status_code} {status_message or else ""}\r\n")
59 for key
, value
in header
do
60 buf
.append
("{key}: {value}\r\n")
62 buf
.append
("\r\n{body}")
67 # Helper class to associate HTTP status code to their message
69 # You probably want the default instance available as the top-level method
70 # `http_status_codes`.
73 # All know code and their message
74 var codes
= new HashMap[Int, String]
76 protected init do insert_status_codes
78 # Get the message associated to the status `code`, return `null` in unknown
79 fun [](code
: Int): nullable String
81 if codes
.keys
.has
(code
) then
86 private fun insert_status_codes
88 codes
[100] = "Continue"
89 codes
[101] = "Switching Protocols"
91 codes
[201] = "Created"
92 codes
[202] = "Accepted"
93 codes
[203] = "Non-Authoritative Information"
94 codes
[204] = "No Content"
95 codes
[205] = "Reset Content"
96 codes
[206] = "Partial Content"
97 codes
[300] = "Multiple Choices"
98 codes
[301] = "Moved Permanently"
100 codes
[303] = "See Other"
101 codes
[304] = "Not Modified"
102 codes
[305] = "Use Proxy"
103 codes
[307] = "Temporary Redirect"
104 codes
[400] = "Bad Request"
105 codes
[401] = "Unauthorized"
106 codes
[402] = "Payment Requred"
107 codes
[403] = "Forbidden"
108 codes
[404] = "Not Found"
109 codes
[405] = "Method Not Allowed"
110 codes
[406] = "Not Acceptable"
111 codes
[407] = "Proxy Authentication Required"
112 codes
[408] = "Request Timeout"
113 codes
[409] = "Conflict"
115 codes
[411] = "Length Required"
116 codes
[412] = "Precondition Failed"
117 codes
[413] = "Request Entity Too Large"
118 codes
[414] = "Request-URI Too Long"
119 codes
[415] = "Unsupported Media Type"
120 codes
[416] = "Requested Range Not Satisfiable"
121 codes
[417] = "Expectation Failed"
122 codes
[500] = "Internal Server Error"
123 codes
[501] = "Not Implemented"
124 codes
[502] = "Bad Gateway"
125 codes
[503] = "Service Unavailable"
126 codes
[504] = "Gateway Timeout"
127 codes
[505] = "HTTP Version Not Supported"
131 # Get the default instance of `HttpStatusCodes`
132 fun http_status_codes
: HttpStatusCodes do return once
new HttpStatusCodes