public static <T> T invokeTask(Callable<T> task, int taskTimeout) {
T result = null;
ExecutorService executor = Executors.newCachedThreadPool();
Future<T> future = executor.submit(task);
try {
result = future.get(taskTimeout, TimeUnit.SECONDS);
} catch (TimeoutException | InterruptedException | ExecutionException ex) {
ex.printStackTrace();
} finally {
future.cancel(true);
executor.shutdown();
if (!executor.isTerminated()) executor.shutdownNow();
}
return result;
}
