Example usage for javax.servlet.http HttpServletResponse flushBuffer

List of usage examples for javax.servlet.http HttpServletResponse flushBuffer

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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:org.fenixedu.academic.ui.struts.action.candidate.degree.DegreeCandidacyManagementDispatchAction.java

public ActionForward showSummaryFile(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
        HttpServletResponse response) {
    CandidacySummaryFile file = getCandidacy(request).getSummaryFile();

    response.reset();/*from   w w w .  j av  a2  s  .  c o  m*/
    try {
        response.getOutputStream().write(file.getContent());
        response.setContentLength(file.getContent().length);
        response.setContentType("application/pdf");
        response.flushBuffer();
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
    }

    return null;
}

From source file:fr.lille1_univ.car_tprest.jetty.web.UpweeController.java

/**
* A call that is used to download the file in the pat corresponding to the filename
*///w w w. j  a  v a 2s  .  c o  m
@CrossOrigin
@RequestMapping(method = {
        RequestMethod.GET }, value = "/api/files/download/**", produces = MediaType.APPLICATION_OCTET_STREAM_VALUE)
public void download(HttpServletRequest request, @RequestParam(value = "file", required = true) String filename,
        HttpServletResponse response) {
    try {
        response.addHeader("Content-disposition", "attachment;filename=" + filename);
        response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
        String decodedfileName = "";
        decodedfileName = java.net.URLDecoder.decode(filename, "UTF-8");
        InputStream stream = this.fileSystemService
                .getFile(getFullFileRequestPath("/api/files/download/**", request, decodedfileName));
        IOUtils.copy(stream, response.getOutputStream());
        response.flushBuffer();
        stream.close();

    } catch (Exception e) {
        l.e("Unable to get file");
        e.printStackTrace();
    }
}

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

@RequestMapping(value = "generateProductXmlFile.do", method = RequestMethod.GET)
public void generateLicenseFile(@RequestParam("productName") String productName,
        @RequestParam("selectedFullType") String selectedFullType,
        @RequestParam("selectedTrialType") String selectedTrialType, HttpServletResponse response) {

    log.debug("productName------------->" + productName);
    log.debug("selectedFullType------------->" + selectedFullType);
    log.debug("selectedTrialType------------->" + selectedTrialType);

    InputStream is = productsService.generateXml(productName, selectedFullType, selectedTrialType);

    String fileName = "product.xml";

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

    try {//from   ww w  .j av  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:com.ewcms.web.filter.render.ResourceRender.java

/**
 * ?//from ww w  .  j ava2 s. c om
 * 
 * @param response
 * @param uri   ?
 * @return
 * @throws IOException
 */
@Override
protected boolean output(HttpServletResponse response, String uri) throws IOException {
    //TODO windowUnix
    Resource resource = resourceService.getResourceByUri(uri);
    if (resource == null) {
        logger.debug("Resource is not exist,uri is {}", uri);
        return false;
    }
    String realPath = resource.getPath();
    if (StringUtils.endsWith(resource.getThumbUri(), uri)) {
        realPath = resource.getThumbPath();
    }

    try {
        IOUtils.copy(new FileInputStream(realPath), response.getOutputStream());
    } catch (Exception e) {
        logger.warn("Resource is not exit,real path is{}", realPath);
    }
    response.flushBuffer();

    return true;
}

From source file:com.eviware.soapui.impl.wsdl.mock.WsdlMockRunner.java

private void dispatchCommand(String cmd, HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    if ("stop".equals(cmd)) {
        response.setStatus(HttpServletResponse.SC_OK);
        response.flushBuffer();

        SoapUI.getThreadPool().execute(new Runnable() {

            public void run() {
                try {
                    Thread.sleep(500);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }/*from w ww.j av a 2 s  .  c  o m*/
                stop();
            }
        });
    } else if ("restart".equals(cmd)) {
        response.setStatus(HttpServletResponse.SC_OK);
        response.flushBuffer();

        SoapUI.getThreadPool().execute(new Runnable() {

            public void run() {
                try {
                    Thread.sleep(500);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }

                stop();
                //
                // try
                // {
                // Thread.sleep( 500 );
                // }
                // catch( InterruptedException e )
                // {
                // e.printStackTrace();
                // }

                try {
                    mockService.start();
                } catch (Exception e) {
                    e.printStackTrace();
                }

            }
        });
    }
}

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

@Transactional
@RequestMapping(params = "methodToCall=viewSubAwardPdf")
public void viewPdf(@RequestParam("subAwardNumber") Integer subAwardNumber,
        @ModelAttribute("KualiForm") ProposalBudgetForm form, HttpServletResponse response) {
    BudgetSubAwards subAward = getSubAwardByNumber(subAwardNumber, form);
    try {/*from   www. ja  va2  s  .com*/
        ByteArrayInputStream inputStream = new ByteArrayInputStream(subAward.getSubAwardXfdFileData());
        KRADUtils.addAttachmentToResponse(response, inputStream, "application/pdf",
                subAward.getSubAwardXfdFileName(), subAward.getSubAwardXfdFileData().length);
        response.flushBuffer();
    } catch (Exception e) {
        LOG.error("Error while downloading attachment");
        throw new RuntimeException("IOException occurred while downloading attachment", e);
    }
}

From source file:com.newatlanta.appengine.servlet.GaeVfsServlet.java

/**
 * If a file is specified, return the file; if a folder is specified, then
 * either return a listing of the folder, or <code>FORBIDDEN</code>, based on
 * configuration.//from www  .j ava 2s . co  m
 */
@Override
public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {

    Path path = Paths.get(req.getRequestURI());
    if (path.notExists()) {
        res.sendError(SC_NOT_FOUND);
        return;
    }

    BasicFileAttributes attrs = readBasicFileAttributes(path);
    if (attrs.isDirectory()) {
        if (dirListingAllowed) {
            res.getWriter().write(getListHTML(path));
            res.flushBuffer();
        } else {
            res.sendError(SC_FORBIDDEN, "Directory listing not allowed");
        }
        return;
    }

    // the request is for a file, return it

    long lastModified = attrs.lastModifiedTime().to(SECONDS) * 1000;
    long ifModifiedSince = req.getDateHeader("If-Modified-Since");
    if (lastModified == ifModifiedSince) {
        res.sendError(SC_NOT_MODIFIED);
        return;
    }
    res.setDateHeader("Last-Modified", lastModified);

    // the servlet MIME type is configurable via web.xml
    String contentType = getServletContext().getMimeType(path.getName().toString());
    if (contentType != null) {
        res.setContentType(contentType);
    }

    // IOUtils.copy() buffers the InputStream internally
    InputStream in = path.newInputStream();
    res.setContentLength(copy(in, res.getOutputStream()));
    in.close();
}

From source file:net.sourceforge.fenixedu.presentationTier.Action.candidate.degree.DegreeCandidacyManagementDispatchAction.java

public ActionForward showSummaryFile(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
        HttpServletResponse response) {
    CandidacySummaryFile file = getCandidacy(request).getSummaryFile();

    response.reset();/* w w  w  . jav a  2s  .c om*/
    try {
        response.getOutputStream().write(file.getContents());
        response.setContentLength(file.getContents().length);
        response.setContentType("application/pdf");
        response.flushBuffer();
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
    }

    return null;
}

From source file:com.almende.eve.transport.http.EveServlet.java

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

    // If this is a handshake request, handle it.
    if (handleHandShake(req, resp)) {
        return;//from   w w  w . j  av  a  2 s  .  co m
    }

    final String url = req.getRequestURI();
    final String id = getId(url);
    if (id == null || id.equals("") || id.equals(myUrl.toASCIIString())) {
        resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Couldn't parse URL, missing 'id'");
        resp.flushBuffer();
        return;
    }
    final HttpTransport transport = HttpService.get(myUrl, id);

    resp.setContentType("text/plain");
    resp.getWriter().println("You've found the servlet for agent:" + id + " ("
            + (transport == null ? "not " : "") + " configured)");
    resp.getWriter().close();
    resp.flushBuffer();
}