Module: StanfordCoreNLP::Bridge

Included in:
StanfordCoreNLP
Defined in:
lib/stanford-core-nlp/bridge.rb

Instance Method Summary collapse

Instance Method Details

#inject_get_method(klass) ⇒ Object



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# File 'lib/stanford-core-nlp/bridge.rb', line 3

def inject_get_method(klass)
  
  klass.class_eval do
    
    if RUBY_PLATFORM =~ /java/
      return unless method_defined?(:get)
      alias_method :get_without_casting, :get
    end

    # Dynamically defined on all proxied annotation classes.
    # Get an annotation using the annotation bridge.
    def get(annotation, anno_base = nil)

      unless RUBY_PLATFORM =~ /java/
        return unless java_methods.include?('get(Ljava.lang.Class;)')
      end
      
      anno_class = "#{StanfordCoreNLP.camel_case(annotation)}Annotation"
      if anno_base
        unless StanfordNLP::Config::Annotations[anno_base]
          raise "The path #{anno_base} doesn't exist."
        end
        anno_bases = [anno_base]
      else
        anno_bases = StanfordCoreNLP::Config::AnnotationsByName[anno_class]
        raise "The annotation #{anno_class} doesn't exist." unless anno_bases
      end
      if anno_bases.size > 1
        msg = "There are many different annotations bearing the name #{anno_class}." +
        "\nPlease specify one of the following base classes as second parameter to disambiguate: "
        msg << anno_bases.join(',')
        raise msg
      else
        base_class = anno_bases[0]
      end

      if RUBY_PLATFORM =~ /java/
        fqcn = "edu.stanford.#{base_class}"
        class_path = fqcn.split(".")
        class_name = class_path.pop
        path = StanfordCoreNLP.camel_case(class_path.join("."))
        jruby_class = "Java::#{path}::#{class_name}::#{anno_class}"
        get_without_casting(Object.module_eval(jruby_class))
      else
        url = "edu.stanford.#{base_class}$#{anno_class}"
        StanfordCoreNLP::AnnotationBridge.getAnnotation(self, url)
      end
      
    end

  end
  
end