new

# File actionpack/lib/action_dispatch/http/upload.rb, line 28
      def initialize(hash) # :nodoc:
        @tempfile = hash[:tempfile]
        raise(ArgumentError, ":tempfile is required") unless @tempfile

        if hash[:filename]
          @original_filename = hash[:filename].dup

          begin
            @original_filename.encode!(Encoding::UTF_8)
          rescue EncodingError
            @original_filename.force_encoding(Encoding::UTF_8)
          end
        else
          @original_filename = nil
        end

        @content_type      = hash[:type]
        @headers           = hash[:head]
      end