Class: MxxRu::Externals::Impl::WebDownloader

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/mxx_ru/externals.rb

Constant Summary collapse

SUPPORTED_DOWNLOADERS = 
[WgetDownloder, CurlDownloder]
@@preffered_downloaders = 
[]
@@downloader_options = 
Hash.new{|h,k| h[k] = []}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ WebDownloader

Returns a new instance of WebDownloader.



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# File 'lib/mxx_ru/externals.rb', line 190

def initialize
  @downloader_type, @downloader_version = *detect_downloader_type

  if Rake.verbose
    puts "#{@downloader_type.downloader_id} v.#{@downloader_version} found"
  end
end

Class Method Details

.downloader_option(downloader_id, *values) ⇒ Object 



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# File 'lib/mxx_ru/externals.rb', line 215

def WebDownloader.downloader_option(downloader_id, *values)
  @@downloader_options[downloader_id].push(*values)
end

.preffered_downloader(downloader_id) ⇒ Object 



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# File 'lib/mxx_ru/externals.rb', line 206

def WebDownloader.preffered_downloader(downloader_id)
  found = SUPPORTED_DOWNLOADERS.find do |klass|
    downloader_id == klass.downloader_id ? klass : nil
  end
  raise "Unsupported downloader: #{downloader_id}" unless found

  @@preffered_downloaders.push(found)
end

Instance Method Details

#make_downloader(options_holder) ⇒ Object 



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# File 'lib/mxx_ru/externals.rb', line 198

def make_downloader(options_holder)
  id = @downloader_type.downloader_id
  @downloader_type.new(
    merge_options(
      options_holder.downloader_options_for(id),
      @@downloader_options[id]))
end