Class: DarwinCore::Expander

Inherits:
Object
  • Object
show all
Defined in:
lib/dwc-archive/expander.rb

Instance Method Summary collapse

Constructor Details

#initialize(archive_path, tmp_dir) ⇒ Expander

Returns a new instance of Expander.



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# File 'lib/dwc-archive/expander.rb', line 3

def initialize(archive_path, tmp_dir)
  @archive_path = archive_path
  @tmp_dir = tmp_dir
  @path = File.join(tmp_dir, 'dwc_' + rand(10000000000).to_s)
  @unpacker = get_unpacker
end

Instance Method Details

#clean ⇒ Object 



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# File 'lib/dwc-archive/expander.rb', line 21

def clean
  FileUtils.rm_rf(@path) if FileTest.exists?(@path)
end

#files ⇒ Object 



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# File 'lib/dwc-archive/expander.rb', line 25

def files
  return nil unless path && FileTest.exists?(path)
  Dir.entries(path).select {|e| e !~ /[\.]{1,2}$/}.sort
end

#path ⇒ Object 



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# File 'lib/dwc-archive/expander.rb', line 17

def path
  @files_path ||= files_path
end

#unpack ⇒ Object

Raises:



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# File 'lib/dwc-archive/expander.rb', line 10

def unpack
  clean
  raise DarwinCore::FileNotFoundError unless File.exists?(@archive_path)
  success = @unpacker.call(@path, @archive_path) if @unpacker
  (@unpacker && success && $?.exitstatus == 0) ? success : (clean; raise DarwinCore::UnpackingError)
end