Example usage for com.google.common.net MediaType JSON_UTF

Introduction

In this page you can find the example usage for com.google.common.net MediaType JSON_UTF_8.

Prototype

MediaType JSON_UTF_8

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Usage

From source file:io.prestosql.server.remotetask.HttpRemoteTask.java

private synchronized void sendUpdate() {
    TaskStatus taskStatus = getTaskStatus();
    // don't update if the task hasn't been started yet or if it is already finished
    if (!needsUpdate.get() || taskStatus.getState().isDone()) {
        return;//from w w w  .j av a 2 s  .c  o  m
    }

    // if there is a request already running, wait for it to complete
    if (this.currentRequest != null && !this.currentRequest.isDone()) {
        return;
    }

    // if throttled due to error, asynchronously wait for timeout and try again
    ListenableFuture<?> errorRateLimit = updateErrorTracker.acquireRequestPermit();
    if (!errorRateLimit.isDone()) {
        errorRateLimit.addListener(this::sendUpdate, executor);
        return;
    }

    List<TaskSource> sources = getSources();

    Optional<PlanFragment> fragment = sendPlan.get() ? Optional.of(planFragment) : Optional.empty();
    TaskUpdateRequest updateRequest = new TaskUpdateRequest(session.toSessionRepresentation(),
            session.getIdentity().getExtraCredentials(), fragment, sources, outputBuffers.get(),
            totalPartitions);
    byte[] taskUpdateRequestJson = taskUpdateRequestCodec.toJsonBytes(updateRequest);
    if (fragment.isPresent()) {
        stats.updateWithPlanBytes(taskUpdateRequestJson.length);
    }

    HttpUriBuilder uriBuilder = getHttpUriBuilder(taskStatus);
    Request request = preparePost().setUri(uriBuilder.build())
            .setHeader(HttpHeaders.CONTENT_TYPE, MediaType.JSON_UTF_8.toString())
            .setBodyGenerator(createStaticBodyGenerator(taskUpdateRequestJson)).build();

    updateErrorTracker.startRequest();

    ListenableFuture<JsonResponse<TaskInfo>> future = httpClient.executeAsync(request,
            createFullJsonResponseHandler(taskInfoCodec));
    currentRequest = future;
    currentRequestStartNanos = System.nanoTime();

    // The needsUpdate flag needs to be set to false BEFORE adding the Future callback since callback might change the flag value
    // and does so without grabbing the instance lock.
    needsUpdate.set(false);

    Futures.addCallback(future,
            new SimpleHttpResponseHandler<>(new UpdateResponseHandler(sources), request.getUri(), stats),
            executor);
}

From source file:org.glowroot.ui.CommonHandler.java

private static CommonResponse newHttpResponseWithMessage(HttpResponseStatus status, @Nullable String message)
        throws IOException {
    // this is an "expected" exception, no need to send back stack trace
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {/*from   w ww.j ava  2 s .c o m*/
        jg.writeStartObject();
        jg.writeStringField("message", message);
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return new CommonResponse(status, MediaType.JSON_UTF_8, sb.toString());
}

From source file:org.glowroot.ui.CommonHandler.java

static CommonResponse newHttpResponseWithStackTrace(Exception e, HttpResponseStatus status,
        @Nullable String simplifiedMessage) throws IOException {
    return new CommonResponse(status, MediaType.JSON_UTF_8,
            getHttpResponseWithStackTrace(e, simplifiedMessage));
}

From source file:org.glowroot.ui.AdminJsonService.java

@RequiresNonNull("httpServer")
private CommonResponse onSuccessfulEmbeddedWebUpdate(EmbeddedWebConfig config) throws Exception {
    boolean closeCurrentChannelAfterPortChange = false;
    boolean portChangeFailed = false;
    if (config.port() != checkNotNull(httpServer.getPort())) {
        try {//from   w w  w.j av  a 2 s  .c o  m
            httpServer.changePort(config.port());
            closeCurrentChannelAfterPortChange = true;
        } catch (PortChangeFailedException e) {
            logger.error(e.getMessage(), e);
            portChangeFailed = true;
        }
    }
    if (config.https() != httpServer.getHttps() && !portChangeFailed) {
        // only change protocol if port change did not fail, otherwise confusing to display
        // message that port change failed while at the same time redirecting user to HTTP/S
        httpServer.changeProtocol(config.https());
        closeCurrentChannelAfterPortChange = true;
    }
    String responseText = getEmbeddedWebConfig(portChangeFailed);
    CommonResponse response = new CommonResponse(OK, MediaType.JSON_UTF_8, responseText);
    if (closeCurrentChannelAfterPortChange) {
        response.setCloseConnectionAfterPortChange();
    }
    return response;
}

Example usage for com.google.common.net MediaType JSON_UTF_8

Introduction

Prototype

Usage