Example usage for javax.servlet.http HttpServletResponse setContentLength

Introduction

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

Prototype

public void setContentLength(int len);

Source Link

Document

Sets the length of the content body in the response In HTTP servlets, this method sets the HTTP Content-Length header.

Usage

From source file:com.citrix.cpbm.portal.fragment.controllers.AbstractReportController.java

@RequestMapping(value = "/generate_CSV", method = RequestMethod.POST)
@ResponseBody/*ww  w.  j a  v a 2  s . c  o  m*/
public void generateCSV(@RequestParam(value = "csvdata", required = true) String csvdata, ModelMap modelMap,
        HttpServletResponse response) {
    logger.debug("###Entering generateCSV method @");

    response.setContentType("application/csv");
    response.setHeader("Content-Disposition", "attachment; filename=report.csv");
    response.addHeader("Cache-Control", "no-store, no-cache");
    OutputStream out;
    try {
        out = response.getOutputStream();
        response.setContentLength(csvdata.getBytes().length);
        out.write(csvdata.getBytes());
        out.flush();
        out.close();
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
    }
    logger.debug("###Exiting generateCSV method @");
}

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From source file:de.kp.ames.web.core.service.ServiceImpl.java

public void sendErrorResponse(String content, int errorStatus, HttpServletResponse response)
        throws IOException {

    response.setStatus(errorStatus);/*from   w w  w  . j  a  v a2s  .  c  o  m*/
    response.setCharacterEncoding(GlobalConstants.UTF_8);

    response.setContentType(GlobalConstants.MT_TEXT);

    byte[] bytes = content.getBytes(GlobalConstants.UTF_8);
    response.setContentLength(bytes.length);

    OutputStream os = response.getOutputStream();

    os.write(bytes);
    os.close();

}

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From source file:org.esigate.servlet.impl.ResponseSender.java

void sendHeaders(HttpResponse httpResponse, IncomingRequest httpRequest, HttpServletResponse response) {
    response.setStatus(httpResponse.getStatusLine().getStatusCode());
    for (Header header : httpResponse.getAllHeaders()) {
        String name = header.getName();
        String value = header.getValue();
        response.addHeader(name, value);
    }//from   w w w.j  a  va 2 s . co  m

    // Copy new cookies
    Cookie[] newCookies = httpRequest.getNewCookies();

    for (int i = 0; i < newCookies.length; i++) {
        response.addHeader("Set-Cookie", CookieUtil.encodeCookie(newCookies[i]));
    }
    HttpEntity httpEntity = httpResponse.getEntity();
    if (httpEntity != null) {
        long contentLength = httpEntity.getContentLength();
        if (contentLength > -1 && contentLength < Integer.MAX_VALUE) {
            response.setContentLength((int) contentLength);
        }
        Header contentType = httpEntity.getContentType();
        if (contentType != null) {
            response.setContentType(contentType.getValue());
        }
        Header contentEncoding = httpEntity.getContentEncoding();
        if (contentEncoding != null) {
            response.setHeader(contentEncoding.getName(), contentEncoding.getValue());
        }
    }
}

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From source file:com.ebay.pulsar.metric.servlet.MetricRestServlet.java

private void getCounters(final HttpServletRequest request, final String pathInfo,
        final HttpServletResponse response) throws Exception {
    String queryString = request.getQueryString();
    QueryParam queryParam = getCassandraQueryParam(queryString);
    ListenableFuture<List<Counter>> future = metricService.findCounters(
            (String) queryParam.getParameters().get(QueryParam.METRIC_NAME),
            (String) queryParam.getParameters().get(QueryParam.GROUP_ID));
    try {// www  . j  av  a 2 s  .co m
        List<Counter> counters = future.get(5000, TimeUnit.MILLISECONDS);
        String result = counterResultWriter.writeValueAsString(counters);
        response.getWriter().print(result);
        response.setContentLength(result.length());
        response.setStatus(HttpServletResponse.SC_OK);
    } catch (TimeoutException e) {
        response.getWriter().print(QUERY_CASSANDRA_TIMEOUT);
        response.setContentLength(QUERY_CASSANDRA_TIMEOUT.length());
        response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    } catch (ExecutionException e) {
        response.getWriter().print(QUERY_CASSANDRA_ERROR);
        response.setContentLength(QUERY_CASSANDRA_ERROR.length());
        response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    }
}

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From source file:app.controller.ResourceController.java

@GetMapping(value = "/download/{resourceType:.*}")
public void download(HttpServletRequest request, HttpServletResponse response, @RequestParam String filename,
        @PathVariable int resourceType) throws IOException {
    logger.info("---------------download resource-----------------");
    FileResource resource = new FileResource();
    int result = resourceService.download(filename, resourceType, resource);
    if (result != BaseResponse.COMMON_SUCCESS) {
        throw new ResourceNotFoundException();
    }//from   w  w w.  java  2  s . c  o m
    File file = resource.file;

    // get MIME type of the file
    ServletContext context = request.getServletContext();
    String mimeType = context.getMimeType(filename);
    if (mimeType == null) {
        mimeType = MediaType.APPLICATION_OCTET_STREAM_VALUE;
    }

    response.setContentType(mimeType);
    response.setContentLength((int) file.length());
    response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=" + filename);

    BufferedOutputStream out = new BufferedOutputStream(response.getOutputStream());
    FileCopyUtils.copy(new BufferedInputStream(new FileInputStream(file)), out);
}

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From source file:com.nominanuda.springmvc.AppControlHandler.java

public synchronized void handleRequest(HttpServletRequest req, HttpServletResponse res)
        throws ServletException, IOException {
    try {/*from ww w.j  a va 2  s  .c  o m*/
        Thread.sleep(1000);
        String appCommand = req.getParameter("cmd");
        String tsStr = req.getParameter("ts");
        String digest = req.getParameter("digest");
        Check.illegalargument
                .assertTrue(digest.equals(digester.hmacSHA256(appCommand + tsStr).toBase64Classic()));
        DateTime ts = isoFmt.parseDateTime(tsStr);
        Check.illegalargument.assertTrue(ts.plus(timestampValidityMillis).isAfter(new DateTime()));
        if ("refresh_appctx".equals(appCommand)) {
            ((AbstractApplicationContext) applicationContext).refresh();
            res.setContentType(HttpProtocol.CT_TEXT_PLAIN_CS_UTF8);
            res.setContentLength(okMsg.length);
            res.getWriter().write(okMsg);
        } else {
            Check.illegalargument.fail();
        }
    } catch (Exception e) {
        res.setStatus(400);
        res.setContentType(HttpProtocol.CT_TEXT_PLAIN_CS_UTF8);
        res.setContentLength(badReqMsg.length);
        res.getWriter().write(badReqMsg);
    }
}

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From source file:it.cilea.osd.jdyna.web.controller.FileServiceController.java

@Override
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
    String idString = request.getPathInfo();
    String[] pathInfo = idString.split("/", 4);

    String folder = pathInfo[3];/*from  w ww  . j a v  a2 s  . c o m*/
    String fileName = request.getParameter("filename");

    File dir = new File(getPath() + File.separatorChar + folder);
    File file = new File(dir, fileName);

    if (file.getCanonicalPath().replace("\\", "/").startsWith(dir.getCanonicalPath().replace("\\", "/"))) {
        if (file.exists()) {
            InputStream is = null;
            try {
                is = new FileInputStream(file);

                response.setContentType(request.getSession().getServletContext().getMimeType(file.getName()));
                Long len = file.length();
                response.setContentLength(len.intValue());
                response.setHeader("Content-Disposition", "attachment; filename=" + file.getName());
                FileCopyUtils.copy(is, response.getOutputStream());
                response.getOutputStream().flush();
            } finally {
                if (is != null) {
                    is.close();
                }

            }
        } else {
            throw new RuntimeException("File doesn't exists!");
        }
    } else {
        throw new RuntimeException("No permission to download this file");
    }
    return null;
}

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From source file:com.globalsight.everest.webapp.pagehandler.administration.workflow.WorkflowTemplateHandler.java

public void sendFileToClient(HttpServletRequest request, HttpServletResponse response, String zipFileName,
        File workflowXml) {//from   w ww. j  a v  a 2 s .c o  m
    if (request.isSecure()) {
        PageHandler.setHeaderForHTTPSDownload(response);
    }
    FileInputStream fis = null;
    try {
        response.setContentType("application/zip");
        String attachment = "attachment; filename=\"" + UrlUtil.encode(zipFileName, "utf-8") + "\";";
        response.setHeader("Content-Disposition", attachment);
        response.setContentLength((int) workflowXml.length());
        byte[] inBuff = new byte[4096];
        fis = new FileInputStream(workflowXml);
        int bytesRead = 0;
        while ((bytesRead = fis.read(inBuff)) != -1) {
            response.getOutputStream().write(inBuff, 0, bytesRead);
        }

        if (bytesRead > 0) {
            response.getOutputStream().write(inBuff, 0, bytesRead);
        }

        fis.close();
    } catch (IOException e) {
        CATEGORY.error(e);
    } finally {
        if (fis != null) {
            try {
                fis.close();
            } catch (IOException e) {
                CATEGORY.error(e);
            }
        }
    }

}

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From source file:com.npower.dl.OMADownloadServlet.java

public void doDownload(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String uri = request.getRequestURI();
    log.info("Download Service: Download Content: uri: " + uri);

    String downloadID = DownloadFactory.parserDownloadID(uri);

    FumoDownloadUpdate download = new FumoDownloadUpdate();
    download.setDownloadID(downloadID);/*from  ww  w  .j a va 2  s  . co m*/
    try {
        byte[] content = download.getContent();
        if (content != null && content.length > 0) {
            log.info("Download Service: Request download ID: " + downloadID + ",Content size: "
                    + content.length);
            response.setContentType(download.getContentType());
            response.setContentLength(content.length);
            OutputStream out = response.getOutputStream();
            out.write(content);
            out.flush();
            //out.close();
        }
    } catch (Exception ex) {
        throw new ServletException(ex);
    } finally {
    }
}

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From source file:com.redhat.rhn.frontend.action.common.DownloadFile.java

private void setXmlContentInfo(HttpServletResponse responseIn, int lengthIn) {
    // make sure content type is set first!!!
    // otherwise content length gets ignored
    responseIn.setContentType(CONTENT_TYPE_TEXT_XML);
    responseIn.setContentLength(lengthIn);
}

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