private static AuthenticationResult getAccessTokenFromUserCredentials(
String username, String password) throws Exception {
AuthenticationContext context = null;
AuthenticationResult result = null;
ExecutorService service = null;
try {
service = Executors.newFixedThreadPool(1);
context =
new AuthenticationContext(
System.getenv("arm.aad.url") + System.getenv("arm.tenant"), false, service);
Future<AuthenticationResult> future =
context.acquireToken(
System.getenv(ManagementConfiguration.URI),
System.getenv("arm.clientid"),
username,
password,
null);
result = future.get();
} finally {
service.shutdown();
}
if (result == null) {
throw new ServiceUnavailableException("authentication result was null");
}
return result;
}