code: public static Platform detect() throws UnsupportedPlatformException {
          String osArch = getProperty("os.arch");
          String osName = getProperty("os.name");
  
          for (Arch arch : Arch.values()) {
              if (arch.pattern.matcher(osArch).matches()) {
                  for (OS os : OS.values()) {
                      if (os.pattern.matcher(osName).matches()) {
                          return new Platform(arch, os);
                      }
                  }
              }
          }
  
          String msg = String.format("Unsupported platform %s %s", osArch, osName);
          throw new UnsupportedPlatformException(msg);
      }
docs: Attempt to detect the current platform.
  
  @return The current platform.
  
  @throws UnsupportedPlatformException if the platform cannot be detected.