static int hostMajorVersion()

in toolchains/DumpPlatformClassPath.java [244:258]

• 14 lines of code
• 4 McCabe index (conditional complexity)

  static int hostMajorVersion() {
    try {
      Method versionMethod = Runtime.class.getMethod("version");
      Object version = versionMethod.invoke(null);
      return (int) version.getClass().getMethod("major").invoke(version);
    } catch (ReflectiveOperationException e) {
      // Runtime.version() isn't available on JDK 8; continue below
    }
    int version = (int) Double.parseDouble(System.getProperty("java.class.version"));
    if (49 <= version && version <= 52) {
      return version - (49 - 5);
    }
    throw new IllegalStateException(
        "Unknown Java version: " + System.getProperty("java.specification.version"));
  }