Class: Hydra::FileCharacterization::ToTempFile

Inherits:
Object
  • Object
show all
Includes:
Open3
Defined in:
lib/hydra/file_characterization/to_temp_file.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filename) ⇒ ToTempFile

Returns a new instance of ToTempFile.



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# File 'lib/hydra/file_characterization/to_temp_file.rb', line 15

def initialize(filename)
  @filename = filename.is_a?(Array) ? filename.join("") : filename
end

Instance Attribute Details

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



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# File 'lib/hydra/file_characterization/to_temp_file.rb', line 13

def filename
  @filename
end

Class Method Details

.open(filename, data, &block) ⇒ Object 



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# File 'lib/hydra/file_characterization/to_temp_file.rb', line 9

def self.open(filename, data, &block)
  new(filename).call(data, &block)
end

Instance Method Details

#call(data) ⇒ Object 



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# File 'lib/hydra/file_characterization/to_temp_file.rb', line 19

def call(data)
  f = Tempfile.new([File.basename(filename), File.extname(filename)])
  begin
    f.binmode
    if data.respond_to? :read
      f.write(data.read)
    else
      f.write(data)
    end
    f.rewind
    yield(f)
  ensure
    data.rewind if data.respond_to? :rewind
    f.close
    f.unlink
  end
end