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:co.com.soinsoftware.altablero.request.TeacherRequestHandler.java

@RequestMapping(value = TEACHER_REPORT_GENERATE_PAGE, method = RequestMethod.POST)
public void generateReports(
        @RequestParam(value = CLASSROOM_ID_REQUEST_PARAM, required = false) final Integer idClassRoom,
        @RequestParam(value = PERIOD_REQUEST_PARAM, required = false) final Integer idPeriod,
        HttpServletResponse response) {
    try {/*from   w  w  w . j a  v a2  s  .c om*/
        final UserBO logedUser = this.getLogeduser();
        final int idSchool = this.getIdSchool(logedUser);
        InputStream is = this.generateReports(idSchool, idClassRoom, idPeriod);
        response.setHeader("Content-Disposition", "attachment; filename=boletines.zip");
        IOUtils.copy(is, response.getOutputStream());
        response.flushBuffer();
    } catch (IOException ex) {
        LOGGER.error(ex.getMessage(), ex);
    }
}

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From source file:marytts.http.controllers.MaryController.java

/**
 * Method to retrieve a signal already synthesized using the method {@link synthesize(String)} or the method {@link process(String)}
 *
 *    @param response the response to fill
 *    @throws Exception in case of failing (no synthesis called before, ...)
 *///from  w ww .j  a v  a 2  s .  c  o  m
@RequestMapping("/getSynthesizedSignal")
public void getSynthesizedSignal(HttpServletResponse response) throws Exception {
    if (ais == null) {
        throw new RuntimeException("No synthesis achieved => no signal to get !");
    }

    response.setContentType("audio/x-wav");
    AudioSystem.write(ais, AudioFileFormat.Type.WAVE, response.getOutputStream());
    response.flushBuffer();
}

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From source file:org.kuali.coeus.propdev.impl.budget.subaward.ProposalBudgetSubAwardController.java

@Transactional
@RequestMapping(params = "methodToCall=viewSubAwardXml")
public void viewXml(@RequestParam("subAwardNumber") Integer subAwardNumber,
        @ModelAttribute("KualiForm") ProposalBudgetForm form, HttpServletResponse response) {
    BudgetSubAwards subAward = getSubAwardByNumber(subAwardNumber, form);
    try {// www  .j a va 2  s .  c o m
        ByteArrayInputStream inputStream = new ByteArrayInputStream(
                subAward.getSubAwardXmlFileData().getBytes());
        KRADUtils.addAttachmentToResponse(response, inputStream, "text/xml", createXMLFileName(subAward),
                subAward.getSubAwardXmlFileData().length());
        response.flushBuffer();
    } catch (Exception e) {
        LOG.error("Error while downloading attachment");
        throw new RuntimeException("IOException occurred while downloading attachment", e);
    }
}

---

From source file:org.lsug.quota.QuotaEditFileEntryAction.java

protected void writeJSON(PortletRequest portletRequest, ActionResponse actionResponse, Object json)
        throws IOException {

    HttpServletResponse response = PortalUtil.getHttpServletResponse(actionResponse);

    response.setContentType(ContentTypes.APPLICATION_JSON);

    ServletResponseUtil.write(response, json.toString());

    response.flushBuffer();

    setForward(portletRequest, COMMON_NULL);
}

---

From source file:com.github.viktornar.controller.composer.ComposeController.java

@RequestMapping(value = "/download/{id}", method = RequestMethod.GET)
public void getFile(@PathVariable("id") String id, HttpServletResponse response) {
    try {//from   w  w w  . j a  va 2s  . c  o  m
        String _atlasFolder = format("%s/%s", atlasFolder, id);
        String _atlasName = format("%s%s.pdf", atlasNamePrefix, id);

        String filePathToBeServed = format("%s/%s", _atlasFolder, _atlasName);
        File fileToDownload = new File(filePathToBeServed);
        InputStream inputStream = new FileInputStream(fileToDownload);

        response.setContentType("application/pdf");
        response.setHeader("Content-Disposition", format("attachment; filename=%s", _atlasName));
        IOUtils.copy(inputStream, response.getOutputStream());
        response.flushBuffer();
    } catch (IOException ex) {
        throw new RuntimeException("IOError writing file to output stream");
    }
}

---

From source file:com.its.web.controllers.LicensesManagerController.java

@RequestMapping(value = "generateLicenseFile.do", method = RequestMethod.GET)
public void generateLicenseFile(@RequestParam("licenseId") Long licenseId, HttpServletResponse response) {

    log.debug("generateLicenseFile------------->" + licenseId);

    //read from database
    License currentLicense = licensesService.getById(licenseId);

    InputStream is = licensesService.generateLicenseFile(currentLicense);

    String fileName = "License_File_" + currentLicense.getClientName().replace(" ", "_") + ".its";

    response.setContentType("application/force-download");
    response.setHeader("Content-Disposition", "attachment; filename=" + fileName);

    try {//www  . ja  v  a  2 s.c  om
        // copy it to response's OutputStream
        IOUtils.copy(is, response.getOutputStream());
        response.flushBuffer();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

---

From source file:org.openmrs.module.bannerprototype.web.controller.bannerprototypeManageController.java

@RequestMapping(value = "/module/bannerprototype/report-entity-freq", method = RequestMethod.GET)
public void getEntityFreqReport(HttpServletResponse response) {
    List<SofaDocument> documents = Context.getService(NLPService.class).getAllSofaDocuments();
    ReportGenerator rg = new ReportGenerator(documents);
    String report = rg.generateEntityFrequencyReport();

    try {//from   ww  w  . jav  a  2s  . co  m
        // get your file as InputStream
        InputStream is = new ByteArrayInputStream(report.getBytes());
        // copy it to response's OutputStream
        org.apache.commons.io.IOUtils.copy(is, response.getOutputStream());
        response.flushBuffer();
    } catch (IOException ex) {

        throw new RuntimeException("IOError writing file to output stream");
    }

}

---

From source file:org.ngrinder.infra.spring.Redirect404DispatcherServlet.java

/**
 * Redirect to error 404 when the /svn/ is not included in the path.
 *
 * @param request  current HTTP requests
 * @param response current HTTP response
 * @throws Exception if preparing the response failed
 *///from  w ww  . j  a  va  2  s. c  om
protected void noHandlerFound(HttpServletRequest request, HttpServletResponse response) throws Exception {
    if (!request.getPathInfo().startsWith("/svn/")) {
        if (request.getPathInfo().contains("/api")) {
            response.setStatus(HttpServletResponse.SC_NOT_FOUND);
            response.setContentType("application/json; charset=UTF-8");
            String requestUri = urlPathHelper.getRequestUri(request);
            JsonObject object = new JsonObject();

            object.addProperty(JSON_SUCCESS, false);
            object.addProperty(JSON_CAUSE,
                    "API URL " + requestUri + " [" + request.getMethod() + "] does not exist.");
            response.getWriter().write(gson.toJson(object));
            response.flushBuffer();
        } else {
            if (pageNotFoundLogger.isWarnEnabled()) {
                String requestUri = urlPathHelper.getRequestUri(request);
                pageNotFoundLogger.warn("No mapping found for HTTP request with URI [" + requestUri
                        + "] in DispatcherServlet with name '" + getServletName() + "'");
            }
            response.sendRedirect("/error_404");
        }
    }
}

---

From source file:org.openmrs.module.bannerprototype.web.controller.bannerprototypeManageController.java

@RequestMapping(value = "/module/bannerprototype/report-all-notes", method = RequestMethod.GET)
public void getAllNotesReport(HttpServletResponse response) {
    List<SofaDocument> documents = Context.getService(NLPService.class).getAllSofaDocuments();
    ReportGenerator rg = new ReportGenerator(documents);
    String report = rg.generateAllNoteAndEntityReport();

    try {/*from ww  w. j  ava2s.c  o m*/
        // get your file as InputStream
        InputStream is = new ByteArrayInputStream(report.getBytes());
        // copy it to response's OutputStream
        org.apache.commons.io.IOUtils.copy(is, response.getOutputStream());
        response.flushBuffer();
    } catch (IOException ex) {

        throw new RuntimeException("IOError writing file to output stream");
    }

}

---

From source file:org.eclipse.smarthome.core.audio.internal.AudioServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    removeTimedOutStreams();/*from ww  w . ja v a2 s  .c  om*/

    final String streamId = StringUtils
            .substringBefore(StringUtils.substringAfterLast(req.getRequestURI(), "/"), ".");

    try (final InputStream stream = prepareInputStream(streamId, resp)) {
        if (stream == null) {
            logger.debug("Received request for invalid stream id at {}", req.getRequestURI());
            resp.sendError(HttpServletResponse.SC_NOT_FOUND);
        } else {
            IOUtils.copy(stream, resp.getOutputStream());
            resp.flushBuffer();
        }
    } catch (final AudioException ex) {
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, ex.getMessage());
    }
}

---

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