Example usage for io.vertx.core.json JsonObject JsonObject

Introduction

In this page you can find the example usage for io.vertx.core.json JsonObject JsonObject.

Prototype

public JsonObject() 

Source Link

Document

Create a new, empty instance

Usage

From source file:com.company.vertxstarter.MainVerticle.java

@Override
public void start(Future<Void> fut) {
    // Create a router object.
    Router router = Router.router(vertx);
    //CORS handler
    router.route().handler(CorsHandler.create("*").allowedMethod(HttpMethod.GET).allowedMethod(HttpMethod.POST)
            .allowedMethod(HttpMethod.OPTIONS).allowedHeader("Content-Type").allowedHeader("Accept"));

    //default headers
    router.route().handler(ctx -> {/*from w w  w  . ja v  a2 s. c o  m*/
        ctx.response().putHeader("Cache-Control", "no-store, no-cache").putHeader("Content-Type",
                "application/json");

        if (StringUtils.isEmpty(ctx.request().getHeader("Accept"))) {
            ctx.fail(Failure.NO_MEDIA_TYPE);
            return;
        } else if (!"application/json".equalsIgnoreCase(ctx.request().getHeader("Accept"))) {
            ctx.fail(Failure.UNSUPPORTED_MEDIA_TYPE);
            return;
        }
        ctx.next();
    });

    //error handling
    router.route().failureHandler(ctx -> {
        HttpServerResponse response = ctx.response();
        final JsonObject error = new JsonObject();
        Failure ex;

        if (ctx.failure() instanceof Failure) { //specific error
            ex = (Failure) ctx.failure();
        } else { //general error
            ctx.failure().printStackTrace();
            ex = Failure.INTERNAL_ERROR;
        }
        error.put("message", ex.getMessage());
        response.setStatusCode(ex.getCode()).end(error.encode());
    });
    //default 404 handling
    router.route().last().handler(ctx -> {
        HttpServerResponse response = ctx.response();
        final JsonObject error = new JsonObject();
        error.put("message", Failure.NOT_FOUND.getMessage());
        response.setStatusCode(404).end(error.encode());
    });

    //routes
    Injector injector = Guice.createInjector(new AppInjector());
    router.route(HttpMethod.GET, "/people").handler(injector.getInstance(PersonResource.class)::get);

    // Create the HTTP server and pass the "accept" method to the request handler.
    HttpServerOptions serverOptions = new HttpServerOptions();
    serverOptions.setCompressionSupported(true);
    vertx.createHttpServer(serverOptions).requestHandler(router::accept)
            .listen(config().getInteger("http.port", 8080), result -> {
                if (result.succeeded()) {
                    fut.complete();
                } else {
                    fut.fail(result.cause());
                }
            });
}

---

From source file:com.cyngn.vertx.bosun.BosunPublisher.java

License:Apache License

/**
 * Put the metric data passed in, in the right format for vertx-bosun
 *
 * @param action the action desired, ie index or put
 * @param metric the metric name// w  w w  . j  a v  a2s.  c  o m
 * @param value the value
 * @param tags the tags associated
 * @param <T> the type of value int, double etc..
 * @return the JsonObject representing the metric data
 */
private static <T> JsonObject getBosunMessage(String action, String metric, T value, JsonObject tags) {
    return new JsonObject().put(BosunReporter.ACTION_FIELD, action).put(OpenTsDbMetric.METRIC_FIELD, metric)
            .put(OpenTsDbMetric.VALUE_FIELD, value).put(OpenTsDbMetric.TAGS_FIELD, tags);
}

---

From source file:com.cyngn.vertx.bosun.BosunReporter.java

License:Apache License

/**
 * Handles posting to the index endpoint
 *
 * @param message the message to send/*from  www  .j av a 2 s.c  o m*/
 */
private void doIndex(Message<JsonObject> message) {
    OpenTsDbMetric metric = getMetricFromMessage(message);
    if (metric == null) {
        return;
    }

    // ignore it we've seen it lately
    String key = metric.getDistinctKey();
    if (distinctMetrics.getIfPresent(key) != null) {
        message.reply(new JsonObject().put(RESULT_FIELD, BosunResponse.EXISTS_MSG));
        return;
    }

    // cache it
    distinctMetrics.put(key, true);
    metricsIndexed.incrementAndGet();

    sendData(INDEX_API, metric.asJson().encode(), message);
}

---

From source file:com.cyngn.vertx.bosun.BosunReporter.java

License:Apache License

/**
 * Send data to the bosun instance/* www.  ja  v a 2 s . c o  m*/
 *
 * @param api the api on bosun to send to
 * @param data the json data to send
 * @param message the event bus message the request originated from
 */
private void sendData(String api, String data, Message message) {
    HttpClient client = getNextHost();

    Buffer buffer = Buffer.buffer(data.getBytes());

    client.post(api).exceptionHandler(error -> {
        sendError(message, "Got ex contacting bosun, " + error.getLocalizedMessage());
    }).handler(response -> {
        int statusCode = response.statusCode();
        // is it 2XX
        if (statusCode >= HttpResponseStatus.OK.code()
                && statusCode < HttpResponseStatus.MULTIPLE_CHOICES.code()) {
            message.reply(new JsonObject().put(RESULT_FIELD, BosunResponse.OK_MSG));
        } else {
            response.bodyHandler(responseData -> {
                sendError(message, "got non 200 response from bosun, error: " + responseData, statusCode);
            });
        }
    }).setTimeout(timeout).putHeader(HttpHeaders.CONTENT_LENGTH, buffer.length() + "")
            .putHeader(HttpHeaders.CONTENT_TYPE, MediaType.JSON_UTF_8.toString()).write(buffer).end();
}

---

From source file:com.cyngn.vertx.bosun.OpenTsDbMetric.java

License:Apache License

/**
 * Get the object as a vertx JsonOBject//from   w  w w. j  a  va2 s  . c  om
 *
 * @return the metric data in Json form
 */
public JsonObject asJson() {
    JsonObject obj = new JsonObject().put(METRIC_FIELD, metric).put(VALUE_FIELD, value).put(TIMESTAMP_FIELD,
            timestamp);

    JsonObject tagsObj = new JsonObject();
    for (String key : tags.fieldNames()) {
        tagsObj.put(key, tags.getValue(key));
    }

    // there has to be at least one tag
    obj.put(TAGS_FIELD, tagsObj);
    return obj;
}

---

From source file:com.cyngn.vertx.opentsdb.client.TsMetric.java

License:Apache License

/**
 * Convert this object to a metric JsonObject suitable for transferring via the EventBus.
 *
 * @return the TsMetric in JsonObject form
 *///from w w  w .  j ava2 s  . c  om
public JsonObject asJson() {
    JsonObject jsonObject = new JsonObject().put(MetricsParser.NAME_FIELD, name).put(MetricsParser.VALUE_FIELD,
            value);

    if (tags != null && tags.size() > 0) {
        JsonObject tagMap = new JsonObject();
        for (Map.Entry<String, String> entry : tags.entrySet()) {
            tagMap.put(entry.getKey(), entry.getValue());
        }

        jsonObject.put(MetricsParser.TAGS_FIELD, tagMap);
    }

    return jsonObject;
}

---

From source file:com.cyngn.vertx.opentsdb.service.client.OpenTsDbClient.java

License:Apache License

/**
 * Reading data when you haven't sent a command in OpenTsDb means there are errors coming back from an agent
 *
 * @param buffer//from  w  w  w.  ja  v a  2 s  . c o  m
 */
private void onDataReceived(Buffer buffer) {
    String openTsDbError = buffer.toString(StandardCharsets.UTF_8.toString());
    logger.error("Got data from agent: " + openTsDbError + " this is not expected");
    // let the user know if they failed to write because the data is invalid
    bus.send(OpenTsDbService.ERROR_MESSAGE_ADDRESS,
            new JsonObject().put("error", EventBusMessage.INVALID_DATA).put("message", openTsDbError));
    errorsReceived++;
}

---

From source file:com.cyngn.vertx.opentsdb.service.MetricsProcessor.java

License:Apache License

private Buffer write(MetricsSender sender, Buffer data) {
    boolean success = sender.write(data);
    if (!success) {
        bus.send(OpenTsDbService.ERROR_MESSAGE_ADDRESS,
                new JsonObject().put("error", EventBusMessage.WRITE_FAILURE.toString()));
    }/*from w w w  .  jav a  2  s.  com*/

    return Buffer.buffer();
}

---

From source file:com.cyngn.vertx.opentsdb.Util.java

License:Apache License

/**
 * Create a metric object for sending to the OpenTsDb lib
 *
 * @param name the metric name/*  w w  w.  j ava2  s.co  m*/
 * @param value the metric value
 * @param tags the tags to associate to this metric
 * @return the properly constructed metric object
 */
public static JsonObject createMetric(String name, String value, JsonObject tags) {
    JsonObject obj = new JsonObject().put(OpenTsDbService.ACTION_FIELD, OpenTsDbService.ADD_COMMAND)
            .put(MetricsParser.NAME_FIELD, name).put(MetricsParser.VALUE_FIELD, value);
    if (tags != null && tags.size() > 0) {
        obj.put(MetricsParser.TAGS_FIELD, tags);
    }
    return obj;
}

---

From source file:com.cyngn.vertx.opentsdb.Util.java

License:Apache License

/**
 * Create a metric object for sending to the OpenTsDb lib but with no implicit command
 *
 * @param name the metric name//from w w w  .  j  av a2  s  .c om
 * @param value the metric value
 * @param tags the tags to associate to this metric
 * @return the properly constructed metric object
 */
public static JsonObject createRawMetric(String name, String value, JsonObject tags) {
    JsonObject obj = new JsonObject().put(MetricsParser.NAME_FIELD, name).put(MetricsParser.VALUE_FIELD, value);
    if (tags != null && tags.size() > 0) {
        obj.put(MetricsParser.TAGS_FIELD, tags);
    }
    return obj;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• »