Class: Downer::Application

Inherits:
Object
  • Object
show all
Defined in:
lib/downer/application.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(output = nil) ⇒ Application

Returns a new instance of Application.



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# File 'lib/downer/application.rb', line 7

def initialize(output = nil)
  @output = (output) ? output : $stdout
  @options = nil
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/downer/application.rb', line 5

def options
  @options
end

#output ⇒ Object

Returns the value of attribute output.



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# File 'lib/downer/application.rb', line 4

def output
  @output
end

Instance Method Details

#run!(*arguments) ⇒ Object 



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# File 'lib/downer/application.rb', line 12

def run!(*arguments)
  @options = Downer::Options.new(arguments)
  download_options = {}
  

  
  # begin analysis of arguments
  if @options[:invalid_argument]
    @output.puts @options[:invalid_argument]
    @options[:show_help] = true
  end
  
  if @options[:images_only]
    print_image_only_message
    download_options[:images_only] = true
  end
  
  # Immediately exit if this will never complete
  return exit_with_help_banner if @options[:file_manifest].nil?
  return exit_with_help_banner if @options[:target_directory].nil?
  return exit_with_help_banner if @options[:show_help]
  

  begin
    manager = Downer::DownloadManager.new(@options[:file_manifest], @options[:target_directory], @output, download_options)
    manager.start
    return 0
  rescue Downer::WriteFailed
    @output.puts %Q{Insufficient permissions to write to directory}
    return 1
  end
end