Page Comparison

Permalink.on_generate do |obj,url_for_obj|
  # Create a permanent link resource that will resolve/redirect toto 
obj  # #url_for_obj and return that resource as a URL string. e.g., 
  return "http://permalinkresolver.example.edu/media/#{obj.pid}"
end

Permalink.on_generate do |obj,url_for_obj|
  if obj.is_a? MediaObject
    return "http://permalinkresolver.example.edu/media/#{obj.pid}"
  else
    return nil
  end
end