Example usage for javax.servlet.http HttpServletRequest getInputStream

List of usage examples for javax.servlet.http HttpServletRequest getInputStream

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Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest getInputStream.

Prototype

public ServletInputStream getInputStream() throws IOException;

Source Link

Document

Retrieves the body of the request as binary data using a ServletInputStream .

Usage

From source file:org.grails.plugin.platform.events.push.EventsPushHandler.java

public void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException {
    InputStream stream = req.getInputStream();
    final String topic = readPacket(stream);
    if (topic == null || topic.isEmpty()) {
        return;//from w  ww.  j av  a  2s  .  c o m
    }

    final String type = readPacket(stream);
    if (type == null || type.isEmpty()) {
        return;
    }

    if (type.equals(TYPE_STRING)) {
        grailsEvents.event(topic, readPacket(stream), EventsPushConstants.FROM_BROWSERS, null, null, null);
    } else if (type.equals(TYPE_JSON)) {
        grailsEvents.event(topic, new JsonSlurper().parse(new BufferedReader(new InputStreamReader(stream))),
                EventsPushConstants.FROM_BROWSERS, null, null, null);
    } else if (type.equals(TYPE_BINARY)) {
        PipedOutputStream pipeOut = new PipedOutputStream();
        PipedInputStream pipeIn = new PipedInputStream(pipeOut, 4096);
        grailsEvents.event(topic, pipeIn, EventsPushConstants.FROM_BROWSERS, null, null, null);
        IOUtils.copy(stream, pipeOut);
        pipeOut.close();

    } else if (type.equals(TYPE_REGISTER)) {
        AtmosphereResource targetResource = null;
        for (AtmosphereResource r : broadcasterFactory.lookup(EventsPushConstants.GLOBAL_TOPIC)
                .getAtmosphereResources()) {
            if (r.uuid().equalsIgnoreCase(((AtmosphereRequest) req).resource().uuid())) {
                targetResource = r;
                break;
            }
        }
        if (targetResource != null) {
            targetResource.addEventListener(
                    new AtmosphereRegistrationsHandler(registerTopics(topic, targetResource)));
        }
    } else if (type.equals(TYPE_UNREGISTER)) {
    }
}

From source file:com.datatorrent.lib.io.HttpInputOperatorTest.java

@SuppressWarnings({ "rawtypes", "unchecked" })
@Test//from w  ww. j av a 2  s.c o m
public void testHttpInputModule() throws Exception {

    final List<String> receivedMessages = new ArrayList<String>();
    Handler handler = new AbstractHandler() {
        int responseCount = 0;

        @Override
        public void handle(String string, Request rq, HttpServletRequest request, HttpServletResponse response)
                throws IOException, ServletException {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            IOUtils.copy(request.getInputStream(), bos);
            receivedMessages.add(new String(bos.toByteArray()));
            response.setContentType("application/json");
            response.setStatus(HttpServletResponse.SC_OK);
            response.setHeader("Transfer-Encoding", "chunked");
            try {
                JSONObject json = new JSONObject();
                json.put("responseId", "response" + ++responseCount);
                byte[] bytes = json.toString().getBytes();
                response.getOutputStream().println(bytes.length);
                response.getOutputStream().write(bytes);
                response.getOutputStream().println();
                response.getOutputStream().println(0);
                response.getOutputStream().flush();
            } catch (JSONException e) {
                response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
                        "Error generating response: " + e.toString());
            }

            ((Request) request).setHandled(true);
        }
    };

    Server server = new Server(0);
    server.setHandler(handler);
    server.start();

    String url = "http://localhost:" + server.getConnectors()[0].getLocalPort() + "/somecontext";
    System.out.println(url);

    final AbstractHttpInputOperator operator = new HttpJsonChunksInputOperator();

    CollectorTestSink sink = new CollectorTestSink();

    operator.outputPort.setSink(sink);
    operator.setName("testHttpInputNode");
    operator.setUrl(new URI(url));

    operator.setup(null);
    operator.activate(null);

    int timeoutMillis = 3000;
    while (sink.collectedTuples.isEmpty() && timeoutMillis > 0) {
        operator.emitTuples();
        timeoutMillis -= 20;
        Thread.sleep(20);
    }

    Assert.assertTrue("tuple emmitted", sink.collectedTuples.size() > 0);

    Map<String, String> tuple = (Map<String, String>) sink.collectedTuples.get(0);
    Assert.assertEquals("", tuple.get("responseId"), "response1");

    operator.deactivate();
    operator.teardown();
    server.stop();

}

From source file:com.datatorrent.lib.io.HttpJsonChunksInputOperatorTest.java

@SuppressWarnings({ "rawtypes", "unchecked" })
@Test//from w  w  w . j av  a  2s .  c  o m
public void testHttpInputModule() throws Exception {

    final List<String> receivedMessages = new ArrayList<String>();
    Handler handler = new AbstractHandler() {
        int responseCount = 0;

        @Override
        public void handle(String string, Request rq, HttpServletRequest request, HttpServletResponse response)
                throws IOException, ServletException {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            IOUtils.copy(request.getInputStream(), bos);
            receivedMessages.add(new String(bos.toByteArray()));
            response.setContentType("application/json");
            response.setStatus(HttpServletResponse.SC_OK);
            response.setHeader("Transfer-Encoding", "chunked");
            try {
                JSONObject json = new JSONObject();
                json.put("responseId", "response" + ++responseCount);
                byte[] bytes = json.toString().getBytes();
                response.getOutputStream().println(bytes.length);
                response.getOutputStream().write(bytes);
                response.getOutputStream().println();
                response.getOutputStream().println(0);
                response.getOutputStream().flush();
            } catch (JSONException e) {
                response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
                        "Error generating response: " + e.toString());
            }

            ((Request) request).setHandled(true);
        }
    };

    Server server = new Server(0);
    server.setHandler(handler);
    server.start();

    String url = "http://localhost:" + server.getConnectors()[0].getLocalPort() + "/somecontext";
    final AbstractHttpInputOperator operator = new HttpJsonChunksInputOperator();

    CollectorTestSink sink = new CollectorTestSink();

    operator.outputPort.setSink(sink);
    operator.setUrl(new URI(url));

    operator.setup(null);
    operator.activate(null);

    int timeoutMillis = 3000;
    while (sink.collectedTuples.isEmpty() && timeoutMillis > 0) {
        operator.emitTuples();
        timeoutMillis -= 20;
        Thread.sleep(20);
    }

    Assert.assertTrue("tuple emitted", sink.collectedTuples.size() > 0);

    Map<String, String> tuple = (Map<String, String>) sink.collectedTuples.get(0);
    Assert.assertEquals("", tuple.get("responseId"), "response1");

    operator.deactivate();
    operator.teardown();
    server.stop();

}

From source file:com.jaspersoft.jasperserver.rest.services.RESTJob.java

@Override
protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServiceException {
    try {//w w  w. jav  a  2s. c om
        StringWriter sw = new StringWriter();
        Job job = restUtils.unmarshal(Job.class, req.getInputStream());

        if (SecurityContextHolder.getContext().getAuthentication().getPrincipal() instanceof UserDetails) {
            UserDetails userDetails = (UserDetails) SecurityContextHolder.getContext().getAuthentication()
                    .getPrincipal();
            job.setUsername(userDetails.getUsername());
        }
        try {

            job = reportSchedulerService.scheduleJob(job);
        } catch (AxisFault axisFault) {
            throw new ServiceException(HttpServletResponse.SC_BAD_REQUEST, "could not schedule job to report: "
                    + job.getReportUnitURI() + ". check job parameters\n" + axisFault.getMessage());
        }

        restUtils.getMarshaller(Job.class).marshal(job, sw);
        restUtils.setStatusAndBody(HttpServletResponse.SC_CREATED, resp, sw.toString()); // job is a unique case where we return the descriptor

    } catch (AxisFault axisFault) {
        throw new ServiceException(HttpServletResponse.SC_NOT_FOUND, axisFault.getMessage());
    } catch (IOException e) {
        throw new ServiceException(HttpServletResponse.SC_BAD_REQUEST, e.getMessage());
    } catch (JAXBException e) {
        throw new ServiceException(HttpServletResponse.SC_BAD_REQUEST,
                "please check the request job descriptor");
    }

}

From source file:com.intel.cosbench.driver.handler.TriggerHandler.java

@Override
protected Response process(HttpServletRequest req, HttpServletResponse res) throws Exception {
    scriptLog = "";
    Scanner scanner = new Scanner(req.getInputStream());
    String trigger = getTrigger(scanner);
    runTrigger(trigger);/*from   w w w .  j a  v a2s  . co  m*/

    return createResponse();
}

From source file:org.eclipse.jgit.lfs.server.fs.ObjectUploadListener.java

/**
 * @param repository/*w w  w  .  ja  v a  2 s  .c  o m*/
 *            the repository storing large objects
 * @param context
 * @param request
 * @param response
 * @param id
 * @throws FileNotFoundException
 * @throws IOException
 */
public ObjectUploadListener(FileLfsRepository repository, AsyncContext context, HttpServletRequest request,
        HttpServletResponse response, AnyLongObjectId id) throws FileNotFoundException, IOException {
    this.context = context;
    this.response = response;
    this.in = request.getInputStream();
    this.inChannel = Channels.newChannel(in);
    this.out = repository.getOutputStream(id);
    this.channel = Channels.newChannel(out);
    response.setContentType(Constants.CONTENT_TYPE_GIT_LFS_JSON);
}

From source file:com.examples.abelanav2.BucketNotificationServlet.java

@Override
public final void doPost(final HttpServletRequest req, final HttpServletResponse resp) throws IOException {
    // Decode the name and bucket of the notification
    BucketNotification notification;//  ww  w. j av a  2 s .c o m
    try {
        String jsonString = IOUtils.toString(req.getInputStream());
        notification = new Gson().fromJson(jsonString, BucketNotification.class);
    } catch (IOException e) {
        log("Failed to decode the notification: " + e.getMessage());
        resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        return;
    }

    try {
        if (!req.getHeader("X-Goog-Channel-Token").equals(ConfigurationConstants.SECRET_NOTIF_TOKEN)) {
            resp.setStatus(HttpStatusCodes.STATUS_CODE_FORBIDDEN);
            return;
        }

        if (!req.getHeader("X-Goog-Resource-State").equals("exists")) {
            resp.getWriter().write("This is not a new photo addition.");
            resp.setStatus(HttpStatusCodes.STATUS_CODE_OK);
            return;
        }

        // Handle duplicated notifications, drop keys after 5 minutes
        Boolean inCache = false;
        Cache cache = null;
        try {
            CacheFactory cacheFactory = CacheManager.getInstance().getCacheFactory();
            Map<Object, Object> properties = new HashMap<>();
            properties.put(GCacheFactory.EXPIRATION_DELTA, TimeUnit.MINUTES.toSeconds(5));
            properties.put(MemcacheService.SetPolicy.ADD_ONLY_IF_NOT_PRESENT, true);
            cache = cacheFactory.createCache(properties);
            inCache = (Boolean) cache.get(notification.getName());
        } catch (CacheException e) {
            log("Failed to instantiate the Memcache, risk of duplicate notifications: " + e.getMessage());
        }

        if (inCache == null || !inCache) {
            // Add a new task to the queue
            Queue queue = QueueFactory.getDefaultQueue();
            queue.add(TaskOptions.Builder.withUrl("/notice/incoming-image")
                    .param("bucket", notification.getBucket()).param("name", notification.getName()));
            if (cache != null) {
                cache.put(notification.getName(), true);
            }
            resp.getWriter().write("Task added to the queue");
            log("Task created for bucket " + notification.getBucket() + " and file " + notification.getName());
        } else {
            resp.getWriter().write("This is a duplicate notification");
            log("Duplicate notification for bucket " + notification.getBucket() + " and file "
                    + notification.getName());
        }
        resp.setStatus(HttpStatusCodes.STATUS_CODE_OK);

    } catch (IOException e) {
        log("Error while writing the response");
        resp.setStatus(HttpStatusCodes.STATUS_CODE_SERVER_ERROR);
    }
}

From source file:io.robusta.rra.controller.SpringController.java

/**
 * set the entity to a request attribut/*from w w  w. jav a  2 s .c o m*/
 * 
 * @param request
 * @return
 * @throws IOException
 */
@ModelAttribute("representation")
String representation(HttpServletRequest request) throws IOException {
    String contentType = request.getContentType();

    if (contentType != null && contentType.contains("application/json")) {
        InputStream in = request.getInputStream();
        StringBuffer stringBuffer = new StringBuffer();
        int d;
        while ((d = in.read()) != -1) {
            stringBuffer.append((char) d);
        }
        System.out.println(stringBuffer.toString());
        System.out.println(Rra.defaultRepresentation instanceof GsonRepresentation);
        request.setAttribute("representation", stringBuffer.toString());
    }
    return "representation";
}

From source file:com.woonoz.proxy.servlet.HttpEntityEnclosingRequestHandler.java

private HttpEntity createHttpEntity(HttpServletRequest request) throws FileUploadException, IOException {
    if (ServletFileUpload.isMultipartContent(request)) {
        return createMultipartEntity(request);
    } else {/*from   ww w  . j a  v a2 s . c  o  m*/
        return new BufferedHttpEntity(
                new InputStreamEntity(request.getInputStream(), request.getContentLength()));
    }
}

From source file:org.fusesource.restygwt.examples.server.PizzaServlet.java

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    System.out.println("Processing Pizza Order...");
    try {//from ww  w.ja v a  2 s  .c o m

        ObjectMapper mapper = new ObjectMapper();
        PizzaOrder order = mapper.readValue(req.getInputStream(), PizzaOrder.class);

        StringWriter sw = new StringWriter();
        mapper.writeValue(sw, order);
        System.out.println("Request: " + sw.toString());

        OrderConfirmation confirmation = new OrderConfirmation();
        confirmation.order_id = 123123;
        confirmation.order = order;
        confirmation.price = 27.54;
        confirmation.ready_time = System.currentTimeMillis() + 1000 * 60 * 30; // in
                                                                               // 30
                                                                               // min.

        sw = new StringWriter();
        mapper.writeValue(sw, confirmation);
        System.out.println("Response: " + sw.toString());

        resp.setContentType(Resource.CONTENT_TYPE_JSON);
        mapper.writeValue(resp.getOutputStream(), confirmation);
        System.out.println("Pizza Order Confirimed: " + confirmation.order_id);

    } catch (Throwable e) {
        e.printStackTrace();
    } finally {
        System.out.flush();
        System.err.flush();
    }

}