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#
# httpstatus.rb -- HTTPStatus Class
#
# Author: IPR -- Internet Programming with Ruby -- writers
# Copyright (c) 2000, 2001 TAKAHASHI Masayoshi, GOTOU Yuuzou
# Copyright (c) 2002 Internet Programming with Ruby writers. All rights
# reserved.
#
# $IPR: httpstatus.rb,v 1.11 2003/03/24 20:18:55 gotoyuzo Exp $
module WEBrick
module HTTPStatus
class Status < StandardError; end
class Info < Status; end
class Success < Status; end
class Redirect < Status; end
class Error < Status; end
class ClientError < Error; end
class ServerError < Error; end
class EOFError < StandardError; end
StatusMessage = {
100, 'Continue',
101, 'Switching Protocols',
200, 'OK',
201, 'Created',
202, 'Accepted',
203, 'Non-Authoritative Information',
204, 'No Content',
205, 'Reset Content',
206, 'Partial Content',
300, 'Multiple Choices',
301, 'Moved Permanently',
302, 'Found',
303, 'See Other',
304, 'Not Modified',
305, 'Use Proxy',
307, 'Temporary Redirect',
400, 'Bad Request',
401, 'Unauthorized',
402, 'Payment Required',
403, 'Forbidden',
404, 'Not Found',
405, 'Method Not Allowed',
406, 'Not Acceptable',
407, 'Proxy Authentication Required',
408, 'Request Timeout',
409, 'Conflict',
410, 'Gone',
411, 'Length Required',
412, 'Precondition Failed',
413, 'Request Entity Too Large',
414, 'Request-URI Too Large',
415, 'Unsupported Media Type',
416, 'Request Range Not Satisfiable',
417, 'Expectation Failed',
500, 'Internal Server Error',
501, 'Not Implemented',
502, 'Bad Gateway',
503, 'Service Unavailable',
504, 'Gateway Timeout',
505, 'HTTP Version Not Supported'
}
CodeToError = {}
StatusMessage.each{|code, message|
var_name = message.gsub(/[ \-]/,'_').upcase
err_name = message.gsub(/[ \-]/,'')
case code
when 100...200; parent = Info
when 200...300; parent = Success
when 300...400; parent = Redirect
when 400...500; parent = ClientError
when 500...600; parent = ServerError
end
eval %-
RC_#{var_name} = #{code}
class #{err_name} < #{parent}
def self.code() RC_#{var_name} end
def self.reason_phrase() StatusMessage[code] end
def code() self::class::code end
def reason_phrase() self::class::reason_phrase end
alias to_i code
end
-
CodeToError[code] = const_get(err_name)
}
def reason_phrase(code)
StatusMessage[code.to_i]
end
def info?(code)
code.to_i >= 100 and code.to_i < 200
end
def success?(code)
code.to_i >= 200 and code.to_i < 300
end
def redirect?(code)
code.to_i >= 300 and code.to_i < 400
end
def error?(code)
code.to_i >= 400 and code.to_i < 600
end
def client_error?(code)
code.to_i >= 400 and code.to_i < 500
end
def server_error?(code)
code.to_i >= 500 and code.to_i < 600
end
def self.[](code)
CodeToError[code]
end
module_function :reason_phrase
module_function :info?, :success?, :redirect?, :error?
module_function :client_error?, :server_error?
end
end
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