helper.rb

class JavaSecurityFiles
  class << self
    def list
      @secfiles ||= scan_for_files
    end

  private
    def scan_for_files
      s1 = Dir.glob("/usr/lib/jvm/**/jre/lib/**/java.security")
      s2 = Dir.glob("/usr/java/**/jre/lib/**/java.security")
      (s1 + s2).uniq
    end
  end
end