get_handler

# File lib/webrick/httpservlet/filehandler.rb, line 247
      def get_handler(req, res)
        suffix1 = (/\.(\w+)\z/ =~ res.filename) && $1.downcase
        if /\.(\w+)\.([\w\-]+)\z/ =~ res.filename
          if @options[:AcceptableLanguages].include?($2.downcase)
            suffix2 = $1.downcase
          end
        end
        handler_table = @options[:HandlerTable]
        return handler_table[suffix1] || handler_table[suffix2] ||
               HandlerTable[suffix1] || HandlerTable[suffix2] ||
               DefaultFileHandler
      end