Fresh start

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diff --git a/jni/ruby/lib/webrick/httpstatus.rb b/jni/ruby/lib/webrick/httpstatus.rb
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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 $
+
+require 'webrick/accesslog'
+
+module WEBrick
+
+  ##
+  # This module is used to manager HTTP status codes.
+  #
+  # See http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html for more
+  # information.
+  module HTTPStatus
+
+    ##
+    # Root of the HTTP status class hierarchy
+    class Status < StandardError
+      def initialize(*args) # :nodoc:
+        args[0] = AccessLog.escape(args[0]) unless args.empty?
+        super(*args)
+      end
+      class << self
+        attr_reader :code, :reason_phrase # :nodoc:
+      end
+
+      # Returns the HTTP status code
+      def code() self::class::code end
+
+      # Returns the HTTP status description
+      def reason_phrase() self::class::reason_phrase end
+
+      alias to_i code # :nodoc:
+    end
+
+    # Root of the HTTP info statuses
+    class Info        < Status; end
+    # Root of the HTTP success statuses
+    class Success     < Status; end
+    # Root of the HTTP redirect statuses
+    class Redirect    < Status; end
+    # Root of the HTTP error statuses
+    class Error       < Status; end
+    # Root of the HTTP client error statuses
+    class ClientError < Error; end
+    # Root of the HTTP server error statuses
+    class ServerError < Error; end
+
+    class EOFError < StandardError; end
+
+    # HTTP status codes and descriptions
+    StatusMessage = { # :nodoc:
+      100 => 'Continue',
+      101 => 'Switching Protocols',
+      200 => 'OK',
+      201 => 'Created',
+      202 => 'Accepted',
+      203 => 'Non-Authoritative Information',
+      204 => 'No Content',
+      205 => 'Reset Content',
+      206 => 'Partial Content',
+      207 => 'Multi-Status',
+      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',
+      422 => 'Unprocessable Entity',
+      423 => 'Locked',
+      424 => 'Failed Dependency',
+      426 => 'Upgrade Required',
+      428 => 'Precondition Required',
+      429 => 'Too Many Requests',
+      431 => 'Request Header Fields Too Large',
+      500 => 'Internal Server Error',
+      501 => 'Not Implemented',
+      502 => 'Bad Gateway',
+      503 => 'Service Unavailable',
+      504 => 'Gateway Timeout',
+      505 => 'HTTP Version Not Supported',
+      507 => 'Insufficient Storage',
+      511 => 'Network Authentication Required',
+    }
+
+    # Maps a status code to the corresponding Status class
+    CodeToError = {} # :nodoc:
+
+    # Creates a status or error class for each status code and
+    # populates the CodeToError map.
+    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
+    }
+
+    ##
+    # Returns the description corresponding to the HTTP status +code+
+    #
+    #   WEBrick::HTTPStatus.reason_phrase 404
+    #   => "Not Found"
+    def reason_phrase(code)
+      StatusMessage[code.to_i]
+    end
+
+    ##
+    # Is +code+ an informational status?
+    def info?(code)
+      code.to_i >= 100 and code.to_i < 200
+    end
+
+    ##
+    # Is +code+ a successful status?
+    def success?(code)
+      code.to_i >= 200 and code.to_i < 300
+    end
+
+    ##
+    # Is +code+ a redirection status?
+    def redirect?(code)
+      code.to_i >= 300 and code.to_i < 400
+    end
+
+    ##
+    # Is +code+ an error status?
+    def error?(code)
+      code.to_i >= 400 and code.to_i < 600
+    end
+
+    ##
+    # Is +code+ a client error status?
+    def client_error?(code)
+      code.to_i >= 400 and code.to_i < 500
+    end
+
+    ##
+    # Is +code+ a server error status?
+    def server_error?(code)
+      code.to_i >= 500 and code.to_i < 600
+    end
+
+    ##
+    # Returns the status class corresponding to +code+
+    #
+    #   WEBrick::HTTPStatus[302]
+    #   => WEBrick::HTTPStatus::NotFound
+    #
+    def self.[](code)
+      CodeToError[code]
+    end
+
+    module_function :reason_phrase
+    module_function :info?, :success?, :redirect?, :error?
+    module_function :client_error?, :server_error?
+  end
+end