Example usage for javax.servlet.http HttpServletResponse flushBuffer

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse flushBuffer.

Prototype

public void flushBuffer() throws IOException;

Source Link

Document

Forces any content in the buffer to be written to the client.

Usage

From source file:com.funtl.framework.smoke.core.modules.act.service.ActModelService.java

/**
 * modelxml//from  w  w  w  .  j  ava2 s  .  c o m
 *
 * @throws IOException
 * @throws JsonProcessingException
 */
public void export(String id, HttpServletResponse response) {
    try {
        Model modelData = repositoryService.getModel(id);
        BpmnJsonConverter jsonConverter = new BpmnJsonConverter();
        JsonNode editorNode = new ObjectMapper()
                .readTree(repositoryService.getModelEditorSource(modelData.getId()));
        BpmnModel bpmnModel = jsonConverter.convertToBpmnModel(editorNode);
        BpmnXMLConverter xmlConverter = new BpmnXMLConverter();
        byte[] bpmnBytes = xmlConverter.convertToXML(bpmnModel);

        ByteArrayInputStream in = new ByteArrayInputStream(bpmnBytes);
        IOUtils.copy(in, response.getOutputStream());
        String filename = bpmnModel.getMainProcess().getId() + ".bpmn20.xml";
        response.setHeader("Content-Disposition", "attachment; filename=" + filename);
        response.flushBuffer();
    } catch (Exception e) {
        throw new ActivitiException("modelxmlID=" + id, e);
    }

}

---

From source file:de.whs.poodle.repositories.ImageRepository.java

public void writeImageToHttpResponse(int imageId, HttpServletResponse response) {
    jdbc.query("SELECT mimetype,data FROM uploaded_image WHERE id = ?", new Object[] { imageId },

            // use ResultSetExtractor so we can check whether a row even existed (NotFoundException)
            new ResultSetExtractor<Void>() {

                @Override//from   w w  w  .ja v  a  2  s.c  om
                public Void extractData(ResultSet rs) throws SQLException {
                    if (!rs.next()) // image doesn't exist
                        throw new NotFoundException();

                    String mimeType = rs.getString("mimetype");
                    response.setContentType(mimeType);

                    // write input stream from DB into http response
                    try (InputStream in = rs.getBinaryStream("data");
                            OutputStream out = response.getOutputStream();) {
                        StreamUtils.copy(in, out);
                        response.flushBuffer();
                    } catch (IOException e) {
                        throw new RuntimeException(e);
                    }

                    return null;
                }

            });
}

---

From source file:org.kaaproject.avro.ui.sandbox.services.FileUploadServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    ServletFileUpload upload = new ServletFileUpload();

    try {/*from w  ww .ja v  a 2s .co  m*/
        FileItemIterator iterator = upload.getItemIterator(request);
        if (iterator.hasNext()) {
            FileItemStream item = iterator.next();
            String name = item.getFieldName();

            logger.debug("Uploading file '{}' with item name '{}'", item.getName(), name);

            InputStream stream = item.openStream();

            ByteArrayOutputStream out = new ByteArrayOutputStream();
            Streams.copy(stream, out, true);

            byte[] data = out.toByteArray();

            response.setStatus(HttpServletResponse.SC_OK);
            response.setContentType("text/html");
            response.setCharacterEncoding("utf-8");
            response.getWriter().print(new String(data));
            response.flushBuffer();
        } else {
            logger.error("No file found in post request!");
            throw new RuntimeException("No file found in post request!");
        }
    } catch (Exception e) {
        logger.error("Unexpected error in FileUploadServlet.doPost: ", e);
        throw new RuntimeException(e);
    }
}

---

From source file:architecture.ee.web.spring.controller.SecureDownloadController.java

@RequestMapping(value = "/logo/{logoId}", method = RequestMethod.GET)
@ResponseBody//w  w w.ja  v  a 2 s  .c  o  m
public void handleLogo(@PathVariable("logoId") Long logoId,
        @RequestParam(value = "width", defaultValue = "0", required = false) Integer width,
        @RequestParam(value = "height", defaultValue = "0", required = false) Integer height,
        HttpServletResponse response) throws IOException {

    try {
        LogoImage image = logoManager.getLogoImageById(logoId);

        if (image != null) {
            InputStream input;
            String contentType;
            int contentLength;
            if (width > 0 && width > 0) {
                input = logoManager.getImageThumbnailInputStream(image, width, height);
                contentType = image.getThumbnailContentType();
                contentLength = image.getThumbnailSize();
            } else {
                input = logoManager.getImageInputStream(image);
                contentType = image.getImageContentType();
                contentLength = image.getImageSize();
            }
            response.setContentType(contentType);
            response.setContentLength(contentLength);
            IOUtils.copy(input, response.getOutputStream());
            response.flushBuffer();
        }

    } catch (Exception e) {
        log.warn(e);
        response.setStatus(301);
        String url = ApplicationHelper.getApplicationProperty("components.download.images.no-logo-url",
                "/images/common/what-to-know-before-getting-logo-design.png");
        response.addHeader("Location", url);
    }
}

---

From source file:com.comcast.video.dawg.show.video.VideoSnap.java

/**
 * Retrieve the image with input image id from cache and stores it in output
 * stream.// w ww  .j  av a 2s.c  o m
 *
 * @param imgId
 *            Id of captured image
 * @param deviceId
 *            Device mac address
 * @param response
 *            httpservelet response
 * @param session
 *            http sssion
 * @throws IOException
 */
public void saveSnappedImage(String imgId, String deviceId, HttpServletResponse response, HttpSession session)
        throws IOException {

    String suffixName = getCurrentDateAndTime();
    String fileName = deviceId.toUpperCase() + "_" + suffixName + "." + IMG_FORMAT;

    response.setHeader("Content-Disposition", "attachment;filename=" + fileName);

    UniqueIndexedCache<BufferedImage> imgCache = getClientCache(session).getImgCache();

    BufferedImage img = imgCache.getItem(imgId);
    if (img != null) {
        OutputStream stream = response.getOutputStream();
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        ImageIO.write(img, IMG_FORMAT, byteArrayOutputStream);
        byteArrayOutputStream.flush();
        byte[] bytes = byteArrayOutputStream.toByteArray();
        stream.write(bytes);
        response.flushBuffer();
    } else {
        LOGGER.error("Could not retrieve the captured image!!!");
    }

}

---

From source file:com.mycompany.rboss.controller.OrderController.java

@RequestMapping(value = "/files/{id}", method = RequestMethod.GET)
public void getFile(@PathVariable("id") int fileName, HttpServletResponse response) {
    try {/*from w ww .  j av a2 s  . c  om*/
        NewClass nc = new NewClass();
        String path = servletContext.getRealPath("/WEB-INF/");
        System.out.println("in---->>>" + path);
        int i = path.indexOf("RBOSS");
        String npath = path.substring(0, i);
        String outp = npath + "RBOSS/";
        npath += "RBOSS/src/main/java/report/Order.jasper";
        // get your file as InputStream
        InputStream is = null;
        try {
            is = nc.getStream(fileName, npath, outp);
        } catch (JRException ex) {
            Logger.getLogger(OrderController.class.getName()).log(Level.SEVERE, null, ex);
        } catch (FileNotFoundException ex) {
            Logger.getLogger(OrderController.class.getName()).log(Level.SEVERE, null, ex);
        }
        // copy it to response's OutputStream
        IOUtils.copy(is, response.getOutputStream());
        response.flushBuffer();
    } catch (IOException ex) {
        System.out.println("Error writing file to output stream. Filename was '" + fileName + "'");
        throw new RuntimeException("IOError writing file to output stream");
    }

}

---

From source file:com.qcadoo.mes.basic.controllers.WorkstationMultiUploadController.java

@RequestMapping(value = "/getAttachment.html", method = RequestMethod.GET)
public final void getAttachment(@RequestParam("id") final Long[] ids, HttpServletResponse response) {
    DataDefinition attachmentDD = dataDefinitionService.get(BasicConstants.PLUGIN_IDENTIFIER,
            BasicConstants.MODEL_WORKSTATION_ATTACHMENT);
    Entity attachment = attachmentDD.get(ids[0]);
    InputStream is = fileService//from www.j  a v  a 2s. c  om
            .getInputStream(attachment.getStringField(WorkstationAttachmentFields.ATTACHMENT));

    try {
        if (is == null) {
            response.sendRedirect("/error.html?code=404");
        }

        response.setHeader("Content-disposition",
                "inline; filename=" + attachment.getStringField(WorkstationAttachmentFields.NAME));
        response.setContentType(
                fileService.getContentType(attachment.getStringField(WorkstationAttachmentFields.ATTACHMENT)));

        int bytes = IOUtils.copy(is, response.getOutputStream());
        response.setContentLength(bytes);

        response.flushBuffer();

    } catch (IOException e) {
        logger.error("Unable to copy attachment file to response stream.", e);
    }
}

---

From source file:de.codecentric.batch.web.JobOperationsController.java

@RequestMapping(value = "/jobs/executions/{executionId}/log", method = RequestMethod.GET)
public void getLogFile(HttpServletResponse response, @PathVariable long executionId)
        throws NoSuchJobExecutionException, IOException {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Get log file for job with executionId: " + executionId);
    }//w  ww.  j a v  a2  s  .  c  o m
    String loggingPath = createLoggingPath();
    JobExecution jobExecution = jobExplorer.getJobExecution(executionId);
    if (jobExecution == null) {
        throw new NoSuchJobExecutionException("JobExecution with id " + executionId + " not found.");
    }
    File downloadFile = new File(loggingPath + jobLogFileNameCreator.getName(jobExecution));
    InputStream is = new FileInputStream(downloadFile);
    FileCopyUtils.copy(is, response.getOutputStream());
    response.flushBuffer();
}

---

From source file:com.qcadoo.mes.basic.controllers.SubassemblyMultiUploadController.java

@RequestMapping(value = "/getAttachmentForSubassembly.html", method = RequestMethod.GET)
public final void getAttachment(@RequestParam("id") final Long[] ids, HttpServletResponse response) {
    DataDefinition attachmentDD = dataDefinitionService.get(BasicConstants.PLUGIN_IDENTIFIER,
            BasicConstants.MODEL_SUBASSEMBLY_ATTACHMENT);
    Entity attachment = attachmentDD.get(ids[0]);
    InputStream is = fileService/*from w w w .  ja v  a2 s. co m*/
            .getInputStream(attachment.getStringField(SubassemblyAttachmentFields.ATTACHMENT));

    try {
        if (is == null) {
            response.sendRedirect("/error.html?code=404");
        }

        response.setHeader("Content-disposition",
                "inline; filename=" + attachment.getStringField(SubassemblyAttachmentFields.NAME));
        response.setContentType(
                fileService.getContentType(attachment.getStringField(SubassemblyAttachmentFields.ATTACHMENT)));

        int bytes = IOUtils.copy(is, response.getOutputStream());
        response.setContentLength(bytes);

        response.flushBuffer();

    } catch (IOException e) {
        logger.error("Unable to copy attachment file to response stream.", e);
    }
}

---

From source file:com.indeed.iupload.web.controller.AppController.java

@RequestMapping(value = "/repository/{repoId}/index/{indexName}/file/{fileStatus}/{fileName}", method = RequestMethod.GET)
public void executeDownloadFile(@PathVariable String repoId, @PathVariable String indexName,
        @PathVariable String fileStatus, @PathVariable String fileName, HttpServletResponse response) {
    try {//  ww  w  .j a  va  2 s .co m
        IndexRepository repository = getRepository(repoId);
        Index index = repository.find(indexName);
        FileInfo file = index.findFile(FileStatus.fromName(fileStatus), fileName);
        if (file == null) {
            throw new BadRequestException("file not found");
        }
        response.setContentType("application/force-download");
        response.setHeader("Content-Disposition", "attachment;filename=" + file.getName());
        InputStream is = file.getInputStream();
        try {
            org.apache.commons.io.IOUtils.copy(is, response.getOutputStream());
        } finally {
            Closeables2.closeQuietly(is, log);
        }
        response.flushBuffer();
    } catch (IOException e) {
        response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value());
    }
}

---

• «
• 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
• 46
• 47
• 48
• 49
• 50
• »