Example usage for io.vertx.core Future future

Introduction

In this page you can find the example usage for io.vertx.core Future future.

Prototype

future

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Usage

From source file:org.eclipse.hono.service.tenant.BaseTenantService.java

License:Open Source License

private Future<EventBusMessage> processGetByCaRequest(final EventBusMessage request, final String subjectDn) {

    try {//  ww w  .j  a  v a2  s  .  co  m
        final X500Principal dn = new X500Principal(subjectDn);
        log.debug("retrieving tenant [subject DN: {}]", subjectDn);
        final Future<TenantResult<JsonObject>> getResult = Future.future();
        get(dn, getResult.completer());
        return getResult.map(tr -> {
            final EventBusMessage response = request.getResponse(tr.getStatus()).setJsonPayload(tr.getPayload())
                    .setCacheDirective(tr.getCacheDirective());
            if (tr.isOk() && tr.getPayload() != null) {
                response.setTenant((String) getTypesafeValueForField(tr.getPayload(),
                        TenantConstants.FIELD_PAYLOAD_TENANT_ID));
            }
            return response;
        });
    } catch (final IllegalArgumentException e) {
        // the given subject DN is invalid
        log.debug("cannot parse subject DN [{}] provided by client", subjectDn);
        return Future.failedFuture(new ClientErrorException(HttpURLConnection.HTTP_BAD_REQUEST));
    }
}

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From source file:org.eclipse.hono.service.tenant.BaseTenantService.java

License:Open Source License

private Future<EventBusMessage> processAddRequest(final EventBusMessage request) {

    final String tenantId = request.getTenant();
    final JsonObject payload = getRequestPayload(request.getJsonPayload());

    if (tenantId == null) {
        log.debug("request does not contain mandatory property [{}]", MessageHelper.APP_PROPERTY_TENANT_ID);
        return Future.failedFuture(new ClientErrorException(HttpURLConnection.HTTP_BAD_REQUEST));
    } else if (isValidRequestPayload(payload)) {
        log.debug("creating tenant [{}]", tenantId);
        final Future<TenantResult<JsonObject>> addResult = Future.future();
        addNotPresentFieldsWithDefaultValuesForTenant(payload);
        add(tenantId, payload, addResult.completer());
        return addResult.map(tr -> {
            return request.getResponse(tr.getStatus()).setJsonPayload(tr.getPayload())
                    .setCacheDirective(tr.getCacheDirective());
        });//from  w ww.j a  v a  2s  . c o m
    } else {
        log.debug("request contains malformed payload");
        return Future.failedFuture(new ClientErrorException(HttpURLConnection.HTTP_BAD_REQUEST));
    }
}

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From source file:org.eclipse.hono.service.tenant.BaseTenantService.java

License:Open Source License

private Future<EventBusMessage> processUpdateRequest(final EventBusMessage request) {

    final String tenantId = request.getTenant();
    final JsonObject payload = getRequestPayload(request.getJsonPayload());

    if (tenantId == null) {
        log.debug("request does not contain mandatory property [{}]", MessageHelper.APP_PROPERTY_TENANT_ID);
        return Future.failedFuture(new ClientErrorException(HttpURLConnection.HTTP_BAD_REQUEST));
    } else if (isValidRequestPayload(payload)) {
        log.debug("updating tenant [{}]", tenantId);
        final Future<TenantResult<JsonObject>> updateResult = Future.future();
        addNotPresentFieldsWithDefaultValuesForTenant(payload);
        update(tenantId, payload, updateResult.completer());
        return updateResult.map(tr -> {
            return request.getResponse(tr.getStatus()).setJsonPayload(tr.getPayload())
                    .setCacheDirective(tr.getCacheDirective());
        });/*from  w w  w. ja va 2s. c  o  m*/
    } else {
        log.debug("request contains malformed payload");
        return Future.failedFuture(new ClientErrorException(HttpURLConnection.HTTP_BAD_REQUEST));
    }
}

---

From source file:org.eclipse.hono.service.tenant.BaseTenantService.java

License:Open Source License

private Future<EventBusMessage> processRemoveRequest(final EventBusMessage request) {

    final String tenantId = request.getTenant();

    if (tenantId == null) {
        log.debug("request does not contain mandatory property [{}]", MessageHelper.APP_PROPERTY_TENANT_ID);
        return Future.failedFuture(new ClientErrorException(HttpURLConnection.HTTP_BAD_REQUEST));
    } else {//  w  ww.  j  av a  2 s .  c  om
        log.debug("deleting tenant [{}]", tenantId);
        final Future<TenantResult<JsonObject>> removeResult = Future.future();
        remove(tenantId, removeResult.completer());
        return removeResult.map(tr -> {
            return request.getResponse(tr.getStatus()).setJsonPayload(tr.getPayload())
                    .setCacheDirective(tr.getCacheDirective());
        });
    }
}

---

From source file:org.eclipse.hono.tests.CrudHttpClient.java

License:Open Source License

/**
 * Gets options for a resource using an HTTP OPTIONS request.
 * //from   w  ww .  j a v a 2 s.co m
 * @param requestOptions The options to use for the request.
 * @param requestHeaders The headers to include in the request.
 * @param successPredicate A predicate on the returned HTTP status code for determining success.
 * @return A future that will succeed if the predicate evaluates to {@code true}. In that case the
 *         future will contain the response headers.
 * @throws NullPointerException if options or predicate are {@code null}.
 */
public Future<MultiMap> options(final RequestOptions requestOptions, final MultiMap requestHeaders,
        final Predicate<Integer> successPredicate) {

    Objects.requireNonNull(requestOptions);
    Objects.requireNonNull(successPredicate);

    final Future<MultiMap> result = Future.future();

    context.runOnContext(go -> {
        final HttpClientRequest req = client.options(requestOptions).handler(response -> {
            if (successPredicate.test(response.statusCode())) {
                result.complete(response.headers());
            } else {
                result.fail(new ServiceInvocationException(response.statusCode()));
            }
        }).exceptionHandler(result::fail);

        if (requestHeaders != null) {
            req.headers().addAll(requestHeaders);
        }
        req.end();
    });
    return result;
}

---

From source file:org.eclipse.hono.tests.CrudHttpClient.java

License:Open Source License

/**
 * Creates a resource using an HTTP POST request.
 * //from   w ww . j  av  a2 s  .  co m
 * @param requestOptions The options to use for the request.
 * @param body The body to post (may be {@code null}).
 * @param requestHeaders The headers to include in the request (may be {@code null}).
 * @param successPredicate A predicate on the returned HTTP status code for determining success.
 * @return A future that will succeed if the predicate evaluates to {@code true}.
 * @throws NullPointerException if options or predicate are {@code null}.
 */
public Future<MultiMap> create(final RequestOptions requestOptions, final Buffer body,
        final MultiMap requestHeaders, final Predicate<Integer> successPredicate) {

    Objects.requireNonNull(requestOptions);
    Objects.requireNonNull(successPredicate);

    final Future<MultiMap> result = Future.future();

    context.runOnContext(go -> {
        final HttpClientRequest req = client.post(requestOptions).handler(response -> {
            if (successPredicate.test(response.statusCode())) {
                result.complete(response.headers());
            } else {
                result.fail(new ServiceInvocationException(response.statusCode()));
            }
        }).exceptionHandler(result::fail);

        if (requestHeaders != null) {
            req.headers().addAll(requestHeaders);
        }
        if (body == null) {
            req.end();
        } else {
            req.end(body);
        }
    });
    return result;
}

---

From source file:org.eclipse.hono.tests.CrudHttpClient.java

License:Open Source License

/**
 * Updates a resource using an HTTP PUT request.
 * /*  w  w  w . j a v a  2s  . c  om*/
 * @param requestOptions The options to use for the request.
 * @param body The content to update the resource with.
 * @param requestHeaders The headers to include in the request.
 * @param successPredicate A predicate on the response for determining success.
 * @return A future that will succeed if the predicate evaluates to {@code true}.
 * @throws NullPointerException if options or predicate are {@code null}.
 */
public Future<MultiMap> update(final RequestOptions requestOptions, final Buffer body,
        final MultiMap requestHeaders, final Predicate<Integer> successPredicate) {

    Objects.requireNonNull(requestOptions);
    Objects.requireNonNull(successPredicate);

    final Future<MultiMap> result = Future.future();

    context.runOnContext(go -> {
        final HttpClientRequest req = client.put(requestOptions).handler(response -> {
            if (successPredicate.test(response.statusCode())) {
                result.complete(response.headers());
            } else {
                result.fail(new ServiceInvocationException(response.statusCode()));
            }
        }).exceptionHandler(result::fail);

        if (requestHeaders != null) {
            req.headers().addAll(requestHeaders);
        }
        if (body == null) {
            req.end();
        } else {
            req.end(body);
        }
    });
    return result;
}

---

From source file:org.eclipse.hono.tests.CrudHttpClient.java

License:Open Source License

/**
 * Retrieves a resource representation using an HTTP GET request.
 * //from  ww w.ja  v a  2  s  .  c o  m
 * @param requestOptions The options to use for the request.
 * @param successPredicate A predicate on the returned HTTP status code for determining success.
 * @return A future that will succeed if the predicate evaluates to {@code true}. In that case the
 *         future will contain the response body.
 * @throws NullPointerException if options or predicate are {@code null}.
 */
public Future<Buffer> get(final RequestOptions requestOptions, final Predicate<Integer> successPredicate) {

    Objects.requireNonNull(requestOptions);
    Objects.requireNonNull(successPredicate);

    final Future<Buffer> result = Future.future();

    client.get(requestOptions).handler(response -> {
        if (successPredicate.test(response.statusCode())) {
            response.bodyHandler(body -> result.complete(body));
        } else {
            result.fail(new ServiceInvocationException(response.statusCode()));
        }
    }).exceptionHandler(result::fail).end();

    return result;
}

---

From source file:org.eclipse.hono.tests.CrudHttpClient.java

License:Open Source License

/**
 * Deletes a resource using an HTTP DELETE request.
 * //from ww  w  .  ja  v  a2  s . co m
 * @param requestOptions The options to use for the request.
 * @param successPredicate A predicate on the returned HTTP status code for determining success.
 * @return A future that will succeed if the predicate evaluates to {@code true}.
 * @throws NullPointerException if options or predicate are {@code null}.
 */
public Future<Void> delete(final RequestOptions requestOptions, final Predicate<Integer> successPredicate) {

    Objects.requireNonNull(requestOptions);
    Objects.requireNonNull(successPredicate);

    final Future<Void> result = Future.future();

    context.runOnContext(go -> {
        client.delete(requestOptions).handler(response -> {
            if (successPredicate.test(response.statusCode())) {
                result.complete();
            } else {
                result.fail(new ServiceInvocationException(response.statusCode()));
            }
        }).exceptionHandler(result::fail).end();
    });

    return result;
}

---

From source file:org.eclipse.hono.tests.mqtt.EventMqttIT.java

License:Open Source License

@Override
protected Future<Void> send(final String tenantId, final String deviceId, final Buffer payload,
        final boolean useShortTopicName) {

    final String topic = String.format(TOPIC_TEMPLATE,
            useShortTopicName ? EventConstants.EVENT_ENDPOINT_SHORT : EventConstants.EVENT_ENDPOINT, tenantId,
            deviceId);/*from   ww  w.j  ava2s. co  m*/
    final Future<Void> result = Future.future();
    mqttClient.publishCompletionHandler(id -> result.complete());
    mqttClient.publish(topic, payload, MqttQoS.AT_LEAST_ONCE, false, false);
    return result;
}

---

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