Class: LinkThumbnailer::Processor

Inherits:
SimpleDelegator
  • Object
show all
Defined in:
lib/link_thumbnailer/processor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Processor

Returns a new instance of Processor.



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# File 'lib/link_thumbnailer/processor.rb', line 13

def initialize
  @config = ::LinkThumbnailer.page.config
  @http   = ::Net::HTTP::Persistent.new

  super(config)
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/link_thumbnailer/processor.rb', line 11

def config
  @config
end

#http ⇒ Object (readonly)

Returns the value of attribute http.



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# File 'lib/link_thumbnailer/processor.rb', line 11

def http
  @http
end

#redirect_count ⇒ Object (readonly)

Returns the value of attribute redirect_count.



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# File 'lib/link_thumbnailer/processor.rb', line 11

def redirect_count
  @redirect_count
end

#url ⇒ Object

Returns the value of attribute url.



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# File 'lib/link_thumbnailer/processor.rb', line 10

def url
  @url
end

Instance Method Details

#call(url = '', redirect_count = 0, headers = {}) ⇒ Object 



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# File 'lib/link_thumbnailer/processor.rb', line 26

def call(url = '', redirect_count = 0, headers = {})
  self.url        = url
  @redirect_count = redirect_count

  raise ::LinkThumbnailer::RedirectLimit if too_many_redirections?

  with_valid_url do
    set_http_headers(headers)
    set_http_options
    perform_request
  end
rescue ::Net::HTTPExceptions, ::SocketError, ::Timeout::Error, ::Net::HTTP::Persistent::Error => e
  raise ::LinkThumbnailer::HTTPError.new(e.message)
end

#start(url) ⇒ Object 



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# File 'lib/link_thumbnailer/processor.rb', line 20

def start(url)
  result = call(url)
  shutdown
  result
end