Class: Tootsie::ImageMetadataExtractor

Inherits:
Object
  • Object
show all
Defined in:
lib/tootsie/image_metadata_extractor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ ImageMetadataExtractor

Returns a new instance of ImageMetadataExtractor.



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# File 'lib/tootsie/image_metadata_extractor.rb', line 7

def initialize(options = {})
  @logger = options[:logger]
  @metadata = {}
end

Instance Attribute Details

#metadata ⇒ Object (readonly)

Returns the value of attribute metadata.



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# File 'lib/tootsie/image_metadata_extractor.rb', line 28

def metadata
  @metadata
end

Instance Method Details

#extract_from_file(file_name) ⇒ Object 



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# File 'lib/tootsie/image_metadata_extractor.rb', line 12

def extract_from_file(file_name)
  run_exiv2("-pt :file", :file => file_name) do |line|
    parse_exiv2_line(line)
  end
  run_exiv2("-pi :file", :file => file_name) do |line|
    parse_exiv2_line(line)
  end
  run_exiv2("-px :file", :file => file_name) do |line|
    parse_exiv2_line(line)
  end
  @metadata = Hash[*@metadata.entries.map { |key, values|
    [key, values.length > 1 ? values : values.first]
  }.flatten(1)]
  @metadata
end