# File lib/brakeman/report/ignore/config.rb, line 97
    def read_from_file file = @file
      if File.exist? file
        @already_ignored = JSON.parse(File.read(file), :symbolize_names => true)[:ignored_warnings]
      else
        Brakeman.notify "[Notice] Could not find ignore configuration in #{file}"
        @already_ignored = []
      end

      @already_ignored.each do |w|
        @ignored_fingerprints << w[:fingerprint]
        @notes[w[:fingerprint]] = w[:note]
      end
    end