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Edit File: httpstatus.rb
# # 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 def initialize(*args) args[0] = AccessLog.escape(args[0]) unless args.empty? super(*args) end class << self attr_reader :code, :reason_phrase end def code() self::class::code end def reason_phrase() self::class::reason_phrase end alias to_i code 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| message.freeze 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 const_set("RC_#{var_name}", code) err_class = Class.new(parent) err_class.instance_variable_set(:@code, code) err_class.instance_variable_set(:@reason_phrase, message) const_set(err_name, err_class) CodeToError[code] = err_class } 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