new

# File actionpack/lib/action_dispatch/http/upload.rb, line 26
      def initialize(hash) # :nodoc:
        @tempfile          = hash[:tempfile]
        raise(ArgumentError, ':tempfile is required') unless @tempfile

        @original_filename = hash[:filename]
        if @original_filename
          begin
            @original_filename.encode!(Encoding::UTF_8)
          rescue EncodingError
            @original_filename.force_encoding(Encoding::UTF_8)
          end
        end
        @content_type      = hash[:type]
        @headers           = hash[:head]
      end