Java Code Examples for io.vertx.core.http.HttpServerResponse#write()

The following examples show how to use io.vertx.core.http.HttpServerResponse#write() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ApiKeysServiceHandler.java    From gravitee-gateway with Apache License 2.0 6 votes vote down vote up 
@Override
public void handle(RoutingContext ctx) {
    HttpServerResponse response = ctx.response();
    response.setStatusCode(HttpStatusCode.OK_200);
    response.putHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
    response.setChunked(true);

    try {
        Json.prettyMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
        response.write(Json.prettyMapper.writeValueAsString(new ExecutorStatistics()));
    } catch (JsonProcessingException jpe) {
        response.setStatusCode(HttpStatusCode.INTERNAL_SERVER_ERROR_500);
        LOGGER.error("Unable to transform data object to JSON", jpe);
    }

    response.end();
}
Example 2
Source File: SSEHandlerImpl.java    From vertx-sse with Apache License 2.0 6 votes vote down vote up 
@Override
public void handle(RoutingContext context) {
	HttpServerRequest request = context.request();
	HttpServerResponse response = context.response();
	response.setChunked(true);
	SSEConnection connection = SSEConnection.create(context);
	String accept = request.getHeader("Accept");
	if (accept != null && !accept.contains("text/event-stream")) {
		connection.reject(406, "Not acceptable");
		return;
	}
	response.closeHandler(aVoid -> {
		closeHandlers.forEach(closeHandler -> closeHandler.handle(connection));
		connection.close();
	});
	response.headers().add("Content-Type", "text/event-stream");
	response.headers().add("Cache-Control", "no-cache");
	response.headers().add("Connection", "keep-alive");
	connectHandlers.forEach(handler -> handler.handle(connection));
	if (!connection.rejected()) {
		response.setStatusCode(200);
		response.setChunked(true);
		response.write(EMPTY_BUFFER);
	}
}
Example 3
Source File: ApiSubscriptionsHandler.java    From gravitee-gateway with Apache License 2.0 6 votes vote down vote up 
@Override
public void handle(RoutingContext ctx) {
    HttpServerResponse response = ctx.response();

    try {
        String sApi = ctx.request().getParam("apiId");
        SubscriptionRefresher apiKeyRefresher = subscriptionRefreshers.get(sApi);

        if (apiKeyRefresher == null) {
            response.setStatusCode(HttpStatusCode.NOT_FOUND_404);
        } else {
            response.putHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
            response.setStatusCode(HttpStatusCode.OK_200);
            response.setChunked(true);

            Json.prettyMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
            response.write(Json.prettyMapper.writeValueAsString(new RefresherStatistics(apiKeyRefresher)));
        }
    } catch (JsonProcessingException jpe) {
        response.setStatusCode(HttpStatusCode.INTERNAL_SERVER_ERROR_500);
        LOGGER.error("Unable to transform data object to JSON", jpe);
    }

    response.end();
}
Example 4
Source File: SubscriptionsServiceHandler.java    From gravitee-gateway with Apache License 2.0 6 votes vote down vote up 
@Override
public void handle(RoutingContext ctx) {
    HttpServerResponse response = ctx.response();
    response.setStatusCode(HttpStatusCode.OK_200);
    response.putHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
    response.setChunked(true);

    try {
        Json.prettyMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
        response.write(Json.prettyMapper.writeValueAsString(new ExecutorStatistics()));
    } catch (JsonProcessingException jpe) {
        response.setStatusCode(HttpStatusCode.INTERNAL_SERVER_ERROR_500);
        LOGGER.error("Unable to transform data object to JSON", jpe);
    }

    response.end();
}
Example 5
Source File: ApiKeyHandler.java    From gravitee-gateway with Apache License 2.0 6 votes vote down vote up 
@Override
public void handle(RoutingContext ctx) {
    HttpServerResponse response = ctx.response();

    try {
        String sApi = ctx.request().getParam("apiId");
        ApiKeyRefresher apiKeyRefresher = apiKeyRefreshers.get(sApi);

        if (apiKeyRefresher == null) {
            response.setStatusCode(HttpStatusCode.NOT_FOUND_404);
        } else {
            response.putHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
            response.setStatusCode(HttpStatusCode.OK_200);
            response.setChunked(true);

            Json.prettyMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
            response.write(Json.prettyMapper.writeValueAsString(new RefresherStatistics(apiKeyRefresher)));
        }
    } catch (JsonProcessingException jpe) {
        response.setStatusCode(HttpStatusCode.INTERNAL_SERVER_ERROR_500);
        LOGGER.error("Unable to transform data object to JSON", jpe);
    }

    response.end();
}
Example 6
Source File: ApisManagementEndpoint.java    From gravitee-gateway with Apache License 2.0 6 votes vote down vote up 
@Override
public void handle(RoutingContext ctx) {
    HttpServerResponse response = ctx.response();
    response.setStatusCode(HttpStatusCode.OK_200);
    response.putHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
    response.setChunked(true);

    try {
        Collection<ListApiEntity> apis = apiManager.apis().stream().map(api -> {
            ListApiEntity entity = new ListApiEntity();
            entity.setId(api.getId());
            entity.setName(api.getName());
            entity.setVersion(api.getVersion());
            return entity;
        }).collect(Collectors.toList());

        Json.prettyMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
        response.write(Json.prettyMapper.writeValueAsString(apis));
    } catch (JsonProcessingException jpe) {
        response.setStatusCode(HttpStatusCode.INTERNAL_SERVER_ERROR_500);
        LOGGER.error("Unable to transform data object to JSON", jpe);
    }

    response.end();
}
Example 7
Source File: ApiManagementEndpoint.java    From gravitee-gateway with Apache License 2.0 6 votes vote down vote up 
@Override
public void handle(RoutingContext ctx) {
    HttpServerResponse response = ctx.response();

    try {
        String sApi = ctx.request().getParam("apiId");
        Api api = apiManager.get(sApi);

        if (api == null) {
            response.setStatusCode(HttpStatusCode.NOT_FOUND_404);
        } else {
            response.putHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
            response.setStatusCode(HttpStatusCode.OK_200);
            response.setChunked(true);

            Json.prettyMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
            response.write(Json.prettyMapper.writeValueAsString(api));
        }
    } catch (JsonProcessingException jpe) {
        response.setStatusCode(HttpStatusCode.INTERNAL_SERVER_ERROR_500);
        LOGGER.error("Unable to transform data object to JSON", jpe);
    }

    response.end();
}
Example 8
Source File: RestVerticle.java    From raml-module-builder with Apache License 2.0 6 votes vote down vote up 
void endRequestWithError(RoutingContext rc, int status, boolean chunked, String message, boolean[] isValid) {
  if (isValid[0]) {
    HttpServerResponse response = rc.response();
    if (!response.closed()) {
      response.setChunked(chunked);
      response.setStatusCode(status);
      if (status == 422) {
        response.putHeader("Content-type", SUPPORTED_CONTENT_TYPE_JSON_DEF);
      } else {
        response.putHeader("Content-type", SUPPORTED_CONTENT_TYPE_TEXT_DEF);
      }
      if (message != null) {
        response.write(message);
      } else {
        message = "";
      }
      response.end();
    }
    LogUtil.formatStatsLogMessage(rc.request().remoteAddress().toString(), rc.request().method().toString(),
      rc.request().version().toString(), response.getStatusCode(), -1, rc.response().bytesWritten(),
      rc.request().path(), rc.request().query(), response.getStatusMessage(), null, message);
  }
  // once we are here the call is not valid
  isValid[0] = false;
}
Example 9
Source File: RetryCommand.java    From joyqueue with Apache License 2.0 6 votes vote down vote up 
/**
 * 单个下载
 * @param
 * @return
 * @throws Exception
 *
 */
@Path("download")
public void download(@QueryParam(Constants.ID) Long id, @QueryParam(Constants.TOPIC)String topic) throws Exception {
    ConsumeRetry retry = retryService.getDataById(id,topic);
    if (retry != null) {
        HttpServerResponse response = request.response();
        byte[] data = retry.getData();
        if (data.length == 0) {
            throw new JoyQueueException("消息内容为空",HTTP_BAD_REQUEST);
        }
        String fileName = retry.getId() +".txt";
        response.reset();
        BrokerMessage brokerMessage = Serializer.readBrokerMessage(ByteBuffer.wrap(data));
        String message = brokerMessage.getText();
        if (message == null) {
            message = "";
        }
        response.putHeader("Content-Disposition","attachment;fileName=" + fileName)
                .putHeader("content-type","text/plain")
                .putHeader("Content-Length",String.valueOf(message.getBytes().length));
        response.write(message,"UTF-8");
        response.end();
    }
}
Example 10
Source File: PgUtil.java    From raml-module-builder with Apache License 2.0 5 votes vote down vote up 
private static <T> void streamGetResult(PostgresClientStreamResult<T> result,
  String element, HttpServerResponse response) {
  response.setStatusCode(200);
  response.setChunked(true);
  response.putHeader(HttpHeaders.CONTENT_TYPE, "application/json");
  response.write("{\n");
  response.write(String.format("  \"%s\": [%n", element));
  AtomicBoolean first = new AtomicBoolean(true);
  result.exceptionHandler(res -> {
    String message = res.getMessage();
    List<Diagnostic> diag = new ArrayList<>();
    diag.add(new Diagnostic().withCode("500").withMessage(message));
    result.resultInto().setDiagnostics(diag);
    streamTrailer(response, result.resultInto());
  });
  result.endHandler(res -> streamTrailer(response, result.resultInto()));
  result.handler(res -> {
    String itemString = null;
    try {
      itemString = OBJECT_MAPPER.writeValueAsString(res);
    } catch (JsonProcessingException ex) {
      logger.error(ex.getMessage(), ex);
      throw new IllegalArgumentException(ex.getCause());
    }
    if (first.get()) {
      first.set(false);
    } else {
      response.write(String.format(",%n"));
    }
    response.write(itemString);
  });
}
Example 11
Source File: SyncHandler.java    From gravitee-gateway with Apache License 2.0 5 votes vote down vote up 
@Override
public void handle(RoutingContext ctx) {
    HttpServerResponse response = ctx.response();
    JsonObject object = new JsonObject()
            .put("counter", syncManager.getCounter())
            .put("lastRefreshAt", syncManager.getLastRefreshAt());

    response.putHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
    response.setChunked(true);
    response.write(object.encodePrettily());
    response.setStatusCode(HttpStatusCode.OK_200);
    response.end();
}
Example 12
Source File: Jukebox.java    From vertx-in-action with MIT License 5 votes vote down vote up 
private void processReadBuffer(Buffer buffer) {
  logger.info("Read {} bytes from pos {}", buffer.length(), positionInFile);
  positionInFile += buffer.length();
  if (buffer.length() == 0) {
    closeCurrentFile();
    return;
  }
  for (HttpServerResponse streamer : streamers) {
    if (!streamer.writeQueueFull()) {
      streamer.write(buffer.copy());
    }
  }
}
Example 13
Source File: ArchiveCommand.java    From joyqueue with Apache License 2.0 4 votes vote down vote up 
/**
 * 单个下载
 * @param
 * @return
 * @throws Exception
 */
@Path("download")
public void download(@QueryParam("businessId") String businessId, @QueryParam("messageId") String messageId
        , @QueryParam("sendTime") String sendTime, @QueryParam("topic") String topic,@QueryParam("messageType") String messageType) throws Exception {
    if (businessId == null
            || messageId == null
            || sendTime == null
            || topic == null) {
        throw new ServiceException(HTTP_BAD_REQUEST, "请求参数错误!");
    }
    HttpServerResponse response = request.response();
    try {
        SendLog sendLog = archiveService.findSendLog(topic, Long.valueOf(sendTime), businessId, messageId);
        if (Objects.nonNull(sendLog)) {
            byte[] data = sendLog.getMessageBody();
            if (data.length == 0) {
                throw new ServiceException(Response.HTTP_NOT_FOUND,"消息内容为空" );
            }
            String fileName = sendLog.getMessageId() + ".txt";
            response.reset();
            ByteBuffer byteBuffer = ByteBuffer.wrap(data);
            BrokerMessage brokerMessage = Serializer.readBrokerMessage(byteBuffer);
            // Broker message without topic context,we should fill it
            brokerMessage.setTopic(topic);
            // filter target  broker message with index
            brokerMessage = filterBrokerMessage(brokerMessage,sendLog);
            if (Objects.nonNull(brokerMessage)) {
                String content = preview(brokerMessage, messageType);
                response.putHeader("Content-Disposition", "attachment;fileName=" + fileName)
                        .putHeader("content-type", "text/plain")
                        .putHeader("Content-Length", String.valueOf(content.getBytes().length));
                response.write(content, "UTF-8");
                response.end();
            }else {
                logger.error("Not found {} message id {},business id {} int batch",topic,messageId,businessId);
                throw new ServiceException(Response.HTTP_NOT_FOUND, "未找到消息!");
            }
        } else {
            logger.error("Not found {} message id {},business id {} in storage",topic,messageId,businessId);
            throw new ServiceException(Response.HTTP_NOT_FOUND, "未找到消息!");
        }
    }catch (Throwable e){
        if(e instanceof ServiceException){
            ServiceException se=(ServiceException)e;
            response.end(JSON.toJSONString(Responses.error(se.getStatus(),se.getMessage())));
        }else{
            response.end(JSON.toJSONString(Responses.error(ErrorCode.NoTipError.getCode(),e.getMessage())));
        }
    }
}
Example 14
Source File: PgUtil.java    From raml-module-builder with Apache License 2.0 4 votes vote down vote up 
private static void streamTrailer(HttpServerResponse response, ResultInfo resultInfo) {
  response.write(String.format("],%n  \"totalRecords\": %d,%n", resultInfo.getTotalRecords()));
  response.end(String.format(" \"resultInfo\": %s%n}", Json.encode(resultInfo)));
}
Example 15
Source File: MultipleFiltersController.java    From nubes with Apache License 2.0 4 votes vote down vote up 
@BeforeFilter(2)
public void before1(HttpServerResponse response) {
	response.write("before2;");
}
Example 16
Source File: MultipleFiltersController.java    From nubes with Apache License 2.0 4 votes vote down vote up 
@BeforeFilter(3)
public void before3(HttpServerResponse response) {
	response.write("before3;");
}
Example 17
Source File: MultipleFiltersController.java    From nubes with Apache License 2.0 4 votes vote down vote up 
@BeforeFilter(1)
public void before2(HttpServerResponse response) {
	response.setChunked(true);
	response.write("before1;");
}
Example 18
Source File: MultipleFiltersController.java    From nubes with Apache License 2.0 4 votes vote down vote up 
@AfterFilter(2)
public void after2(HttpServerResponse response) {
	response.write("after2;");
}
Example 19
Source File: MultipleFiltersController.java    From nubes with Apache License 2.0 4 votes vote down vote up 
@AfterFilter(1)
public void after1(HttpServerResponse response) {
	response.write("after1;");
}
Example 20
Source File: HttpUtils.java    From hono with Eclipse Public License 2.0 3 votes vote down vote up 
/**
 * Writes a Buffer to an HTTP response body.
 * <p>
 * This method also sets the <em>content-length</em> and <em>content-type</em>
 * headers of the HTTP response accordingly but does not end the response.
 * <p>
 * If the response is already ended or closed or the buffer is {@code null}, this method
 * does nothing.
 *
 * @param response The HTTP response.
 * @param buffer The Buffer to set as the response body (may be {@code null}).
 * @param contentType The type of the content. If {@code null}, a default value of
 *                    {@link #CONTENT_TYPE_OCTET_STREAM} will be used.
 * @throws NullPointerException if response is {@code null}.
 */
public static void setResponseBody(final HttpServerResponse response, final Buffer buffer, final String contentType) {

    Objects.requireNonNull(response);
    if (!response.ended() && !response.closed() && buffer != null) {
        if (contentType == null) {
            response.putHeader(HttpHeaders.CONTENT_TYPE, CONTENT_TYPE_OCTET_STREAM);
        } else {
            response.putHeader(HttpHeaders.CONTENT_TYPE, contentType);
        }
        response.putHeader(HttpHeaders.CONTENT_LENGTH, String.valueOf(buffer.length()));
        response.write(buffer);
    }
}