Examples with Callback com.amazonaws.mobile.client.Callback used on opensource projects

Example 1 with Callback

use of com.amazonaws.mobile.client.Callback in project amplify-android by aws-amplify.

the class SynchronousMobileClient method initialize.

/**
 * Initialize the client for use, in a synchronous way, by delegating to
 * {@link AWSMobileClient#initialize(Context, Callback)}.
 * @param context An Android Context
 * @param awsConfiguration custom AWS configuration to use for initializing Mobile Client
 * @return The result received by {@link AWSMobileClient#initialize(Context, Callback)}, if successful
 * @throws MobileClientException A wrapped form of the error received by the async callback.
 */
@NonNull
public UserStateDetails initialize(@NonNull Context context, @NonNull AWSConfiguration awsConfiguration) throws MobileClientException {
    Objects.requireNonNull(context);
    Objects.requireNonNull(awsConfiguration);
    final UserStateDetails userStateDetails;
    try {
        userStateDetails = Await.<UserStateDetails, Exception>result((onResult, onError) -> {
            Callback<UserStateDetails> callback = DelegatingCallback.with(onResult, onError);
            awsMobileClient.initialize(context, awsConfiguration, callback);
        });
    } catch (Exception initializationError) {
        throw new MobileClientException("Failed to initialize Mobile Client", initializationError);
    }
    return Objects.requireNonNull(userStateDetails);
}

Example 2 with Callback

use of com.amazonaws.mobile.client.Callback in project amplify-android by aws-amplify.

the class AWSCognitoAuthPlugin method configure.

@Override
public void configure(@NonNull JSONObject pluginConfiguration, @NonNull Context context) throws AuthException {
    final CountDownLatch latch = new CountDownLatch(1);
    final AtomicReference<Exception> asyncException = new AtomicReference<>();
    JSONObject mobileClientConfig;
    LogFactory.setLevel(LogFactory.Level.OFF);
    try {
        mobileClientConfig = new JSONObject(pluginConfiguration.toString());
        mobileClientConfig.put("UserAgentOverride", UserAgent.string());
    } catch (JSONException exception) {
        throw new AuthException("Failed to set user agent string", exception, AmplifyException.REPORT_BUG_TO_AWS_SUGGESTION);
    }
    awsMobileClient.initialize(context, new AWSConfiguration(mobileClientConfig), new Callback<UserStateDetails>() {

        @Override
        public void onResult(UserStateDetails result) {
            switch(result.getUserState()) {
                case GUEST:
                case SIGNED_OUT:
                    lastEvent = AuthChannelEventName.SIGNED_OUT;
                    userId = null;
                    break;
                case SIGNED_IN:
                    lastEvent = AuthChannelEventName.SIGNED_IN;
                    userId = getUserIdFromToken(result.getDetails().get(MOBILE_CLIENT_TOKEN_KEY));
                    break;
                case SIGNED_OUT_USER_POOLS_TOKENS_INVALID:
                case SIGNED_OUT_FEDERATED_TOKENS_INVALID:
                    lastEvent = AuthChannelEventName.SESSION_EXPIRED;
                    userId = getUserIdFromToken(result.getDetails().get(MOBILE_CLIENT_TOKEN_KEY));
                    break;
                default:
                    userId = null;
                    lastEvent = null;
            }
            // Set up a listener to asynchronously update the user id if the user state changes in the future
            awsMobileClient.addUserStateListener(userStateDetails -> {
                switch(userStateDetails.getUserState()) {
                    case SIGNED_OUT:
                    case GUEST:
                        userId = null;
                        if (lastEvent != AuthChannelEventName.SIGNED_OUT) {
                            lastEvent = AuthChannelEventName.SIGNED_OUT;
                            Amplify.Hub.publish(HubChannel.AUTH, HubEvent.create(AuthChannelEventName.SIGNED_OUT));
                        }
                        break;
                    case SIGNED_IN:
                        fetchAndSetUserId(() -> {
                            if (lastEvent != AuthChannelEventName.SIGNED_IN) {
                                lastEvent = AuthChannelEventName.SIGNED_IN;
                                Amplify.Hub.publish(HubChannel.AUTH, HubEvent.create(AuthChannelEventName.SIGNED_IN));
                            }
                        });
                        break;
                    case SIGNED_OUT_FEDERATED_TOKENS_INVALID:
                    case SIGNED_OUT_USER_POOLS_TOKENS_INVALID:
                        fetchAndSetUserId(() -> {
                        /* No response needed */
                        });
                        if (lastEvent != AuthChannelEventName.SESSION_EXPIRED) {
                            lastEvent = AuthChannelEventName.SESSION_EXPIRED;
                            Amplify.Hub.publish(HubChannel.AUTH, HubEvent.create(AuthChannelEventName.SESSION_EXPIRED));
                        }
                        break;
                    default:
                        userId = null;
                }
            });
            latch.countDown();
        }

        @Override
        public void onError(Exception error) {
            asyncException.set(error);
            latch.countDown();
        }
    });
    try {
        if (latch.await(SECONDS_BEFORE_TIMEOUT, TimeUnit.SECONDS)) {
            if (asyncException.get() != null) {
                throw new AuthException("Failed to instantiate AWSMobileClient", asyncException.get(), "See attached exception for more details");
            }
            return;
        } else {
            throw new AuthException("Failed to instantiate AWSMobileClient within " + SECONDS_BEFORE_TIMEOUT + " seconds", "Check network connectivity");
        }
    } catch (InterruptedException error) {
        throw new AuthException("Failed to instantiate AWSMobileClient", error, "See attached exception for more details");
    }
}