Class: ProxyFetcher::Document::Adapters

Inherits:
Object
  • Object
show all
Defined in:
lib/proxy_fetcher/document/adapters.rb

Overview

ProxyFetcher HTML parser adapters.

ProxyFetcher default supported adapters are:

  • Nokogiri

  • Oga

Any custom adapter can be used and must be inherited from ProxyFetcher::Document::AbstractAdapter.

Class Method Summary collapse

Class Method Details

.lookup(name_or_class) ⇒ Object

Returns HTML parser adapter by it’s name or class. If name is provided, then it looks for predefined classes in ProxyFetcher::Document namespace. Otherwise it just returns the passed class.

Parameters:

  • name_or_class (String, Class) —

    Adapter name or class



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# File 'lib/proxy_fetcher/document/adapters.rb', line 28

def lookup(name_or_class)
  raise Exceptions::BlankAdapter if name_or_class.nil? || name_or_class.to_s.empty?

  case name_or_class
  when Symbol, String
    adapter_name = "#{name_or_class.to_s.capitalize}#{ADAPTER}"
    ProxyFetcher::Document.const_get(adapter_name)
  else
    name_or_class
  end
rescue NameError
  raise Exceptions::UnknownAdapter, name_or_class
end