Class: Omnizip::Converter::SevenZipToZipStrategy

Inherits:
ConversionStrategy show all
Defined in:
lib/omnizip/converter/seven_zip_to_zip_strategy.rb

Overview

Convert 7-Zip archives to ZIP format

Instance Attribute Summary

Attributes inherited from ConversionStrategy

#options, #source_path, #target_path

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ConversionStrategy

#initialize

Constructor Details

This class inherits a constructor from Omnizip::Converter::ConversionStrategy

Class Method Details

.can_convert?(source, target) ⇒ Boolean

Check if can convert

Parameters:

  • source (String) —

    Source file

  • target (String) —

    Target file

Returns:

  • (Boolean) —

    True if can convert



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# File 'lib/omnizip/converter/seven_zip_to_zip_strategy.rb', line 49

def self.can_convert?(source, target)
  source.end_with?(".7z") && target.end_with?(".zip")
end

Instance Method Details

#convert ⇒ ConversionResult

Perform 7z to ZIP conversion

Returns:

  • (ConversionResult) —

    Conversion result



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# File 'lib/omnizip/converter/seven_zip_to_zip_strategy.rb', line 11

def convert
  start_time = Time.now

  reader = Omnizip::Formats::SevenZip::Reader.new(source_path)
  reader.open
  entry_count = reader.list_files.size

  Dir.mktmpdir("omnizip_convert") do |tmp|
    reader.extract_all(tmp)

    writer = Omnizip::Formats::Zip::Writer.new(target_path)
    Dir.glob(File.join(tmp, "**", "*")).each do |path|
      next if File.directory?(path)

      writer.add_file(path, path.delete_prefix("#{tmp}/"))
    end
    writer.write
  end

  create_result(start_time, entry_count)
end

#source_format ⇒ Symbol

Get source format

Returns:

  • (Symbol) —

    Source format (:seven_zip)



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# File 'lib/omnizip/converter/seven_zip_to_zip_strategy.rb', line 35

def source_format
  :seven_zip
end

#target_format ⇒ Symbol

Get target format

Returns:

  • (Symbol) —

    Target format (:zip)



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# File 'lib/omnizip/converter/seven_zip_to_zip_strategy.rb', line 41

def target_format
  :zip
end