private void performSecure(Runnable runnable) {
if (System.getSecurityManager() != null) {
AccessController.doPrivileged(
(PrivilegedAction<?>)
() -> {
runnable.run();
return null;
});
} else {
runnable.run();
}
}
private <T> T performSecureGet(Callable<T> runnable) {
if (System.getSecurityManager() != null) {
return AccessController.doPrivileged(
(PrivilegedAction<T>)
() -> {
try {
return runnable.call();
} catch (Exception e) {
throw new ReflectionException(e);
}
});
} else {
try {
return runnable.call();
} catch (Exception e) {
throw new ReflectionException(e);
}
}
}