Module: SemanticExtraction

Defined in:
lib/semantic_extraction.rb,
lib/semantic_extraction/utility_methods.rb,
lib/semantic_extraction/extractors/yahoo.rb,
lib/semantic_extraction/extractors/alchemy.rb

Defined Under Namespace

Modules: Alchemy, UtilityMethods, Yahoo Classes: MissingApiKey, NotSupportedExtraction, NotSupportedExtractor

Class Method Summary collapse

Class Method Details

.find_generic(typer, args) ⇒ Object 



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# File 'lib/semantic_extraction.rb', line 47

def self.find_generic(typer, args)
  if self.is_valid?(typer)
    return @@klass.send(typer.to_sym, args)
  elsif !@@klass.respond_to?(typer.to_sym)
    raise NotSupportedExtraction
  else
    raise MissingApiKey
  end
end

.is_valid?(method) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/semantic_extraction.rb', line 62

def self.is_valid?(method)
  @@klass = SemanticExtraction.const_get(self.preferred_extractor.gsub(/\/(.?)/) { "::#{$1.upcase}" }.gsub(/(?:^|_)(.)/) { $1.upcase })
  if self.requires_api_key.include? self.preferred_extractor
    (@@klass.respond_to?(method) && defined?(self.send((preferred_extractor + "_api_key").to_sym)) && !(self.send((preferred_extractor + "_api_key").to_sym)).empty?) ? true : false
  else
    @@klass.respond_to?(method)
  end
end

.method_missing(method, args) ⇒ Object 



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# File 'lib/semantic_extraction.rb', line 57

def self.method_missing(method, args)
  find_generic(method.to_sym, args)
end

.preferred_extractor=(value) ⇒ Object

By default, we assume you want to use Alchemy. To override, just set SemanticExtraction.preferred_extractor somewhere and define the appropriate api_key.



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# File 'lib/semantic_extraction.rb', line 21

def self.preferred_extractor=(value)
  if self.valid_extractors.include?(value)
    @@preferred_extractor = value
  else
    raise NotSupportedExtractor
  end
end