# File lib/rest.rb, line 46
  def XmlFile.find_file file_name
    if ( File.exists? file_name )
      return file_name
    end
 
    if ( !@@include_dir.empty? )
      file_name = @@include_dir + "/" + file_name
      if ( File.exists? file_name )
        return file_name
      end
    end
    
    return nil
  end