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:gov.nist.appvet.servlet.AppVetServlet.java

private void returnAppVetLog(HttpServletResponse response, String clientIpAddress) {
    try {//from   w  w  w.j a  va 2s. c  o  m
        String appVetLogPath = AppVetProperties.LOG_PATH;
        File logFile = new File(appVetLogPath);
        try {
            if (!logFile.exists()) {
                sendHttpResponse(null, null, null, clientIpAddress, "Could not locate AppVet log", response,
                        HttpServletResponse.SC_INTERNAL_SERVER_ERROR, true);
                return;
            }
            response.setContentType("text/plain");
            response.setHeader("Content-Disposition", "inline;filename=appvet_log.txt");
            response.setHeader("Cache-Control", "max-age=0");
            response.setContentLength((int) logFile.length());
            returnFile(response, logFile);
        } finally {
            logFile = null;
            appVetLogPath = null;
        }
    } catch (final Exception e) {
        log.error(e.getMessage());
        e.printStackTrace();
    }
}

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From source file:net.acesinc.convergentui.BaseFilter.java

protected void addResponseHeaders() {
    RequestContext context = RequestContext.getCurrentContext();
    HttpServletResponse servletResponse = context.getResponse();
    List<Pair<String, String>> zuulResponseHeaders = context.getZuulResponseHeaders();
    @SuppressWarnings("unchecked")
    List<String> rd = (List<String>) RequestContext.getCurrentContext().get("routingDebug");
    if (rd != null) {
        StringBuilder debugHeader = new StringBuilder();
        for (String it : rd) {
            debugHeader.append("[[[" + it + "]]]");
        }//  ww w.j a  va2 s  .  co  m
        if (INCLUDE_DEBUG_HEADER.get()) {
            servletResponse.addHeader("X-Zuul-Debug-Header", debugHeader.toString());
        }
    }
    if (zuulResponseHeaders != null) {
        for (Pair<String, String> it : zuulResponseHeaders) {
            servletResponse.addHeader(it.first(), it.second());
        }
    }
    RequestContext ctx = RequestContext.getCurrentContext();
    Integer contentLength = ctx.getOriginContentLength();
    // Only inserts Content-Length if origin provides it and origin response is not
    // gzipped
    if (SET_CONTENT_LENGTH.get()) {
        if (contentLength != null && !ctx.getResponseGZipped()) {
            servletResponse.setContentLength(contentLength);
        }
    }
}

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From source file:UploadDownloadFile.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    processRequest(request, response);/*  w  w w  .j  a  v  a 2 s.c  om*/
    System.out.println("--> doGet -->");
    String filePath;

    String fileName = request.getParameter("fileName");
    if (fileName == null || fileName.equals("")) {
        throw new ServletException("File Name can't be null or empty");
    }
    final String clientip = request.getRemoteAddr().replace(":", "_");
    filePath = "/Users/" + currentuser + "/GlassFish_Server/glassfish/domains/domain1/tmpfiles/Uploaded/"
            + clientip + "/";
    File file = new File(filePath + File.separator + fileName);

    System.out.println("download file = " + file);
    if (!file.exists()) {
        throw new ServletException("File doesn't exists on server.");
    }
    System.out.println("File location on server::" + file.getAbsolutePath());
    ServletContext ctx = getServletContext();
    InputStream fis = new FileInputStream(file);
    String mimeType = ctx.getMimeType(file.getAbsolutePath());
    response.setContentType(mimeType != null ? mimeType : "application/octet-stream");
    response.setContentLength((int) file.length());
    response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");

    ServletOutputStream os = response.getOutputStream();
    byte[] bufferData = new byte[1024];
    int read = 0;
    while ((read = fis.read(bufferData)) != -1) {
        os.write(bufferData, 0, read);
    }
    os.flush();
    os.close();
    fis.close();
    System.out.println("File downloaded at client successfully");
}

---

From source file:br.com.hslife.orcamento.controller.LancamentoContaController.java

@SuppressWarnings("resource")
public void exportarLancamentos() {
    if (listEntity == null || listEntity.isEmpty()) {
        warnMessage("Listagem vazio. Nada a exportar.");
    }/*w  ww. j  av a2s . co  m*/

    try {

        HSSFWorkbook excel = new HSSFWorkbook();
        HSSFSheet planilha = excel.createSheet("lancamentoConta");

        HSSFRow linha = planilha.createRow(0);

        HSSFCell celula = linha.createCell(0);
        celula.setCellValue("Data");
        celula = linha.createCell(1);
        celula.setCellValue("Histrico");
        celula = linha.createCell(2);
        celula.setCellValue("Valor");

        int linhaIndex = 1;
        for (LancamentoConta l : listEntity) {
            linha = planilha.createRow(linhaIndex);

            celula = linha.createCell(0);
            celula.setCellValue(Util.formataDataHora(l.getDataPagamento(), Util.DATA));

            celula = linha.createCell(1);
            celula.setCellValue(l.getDescricao());

            celula = linha.createCell(2);
            celula.setCellValue(l.getValorPago());

            linhaIndex++;
        }

        HttpServletResponse response = (HttpServletResponse) FacesContext.getCurrentInstance()
                .getExternalContext().getResponse();
        response.setContentType("application/vnd.ms-excel");
        response.setHeader("Content-Disposition", "attachment; filename=lancamentoConta.xls");
        response.setContentLength(excel.getBytes().length);
        ServletOutputStream output = response.getOutputStream();
        output.write(excel.getBytes(), 0, excel.getBytes().length);
        FacesContext.getCurrentInstance().responseComplete();

    } catch (IOException e) {
        errorMessage(e.getMessage());
    }
}

---

From source file:com.krawler.spring.crm.caseModule.CrmCustomerCaseController.java

public ModelAndView downloadFile(HttpServletRequest request, HttpServletResponse response) {
    Map model = new HashMap();
    String responseMessage = "";

    try {//  w  w w .  j a va 2 s  .c  o  m
        if ((String) request.getSession().getAttribute(Constants.SESSION_CUSTOMER_ID) != null) {
            String caseId = request.getParameter("caseid");
            String docid = request.getParameter("docid");
            List<Docs> dl = crmCustomerCaseService.getDocument(docid);
            Docs doc = dl.get(0);
            String src = storageHandlerImpl.GetDocStorePath();
            src = src + "/" + doc.getStorename();//ht.get("userid").toString()
            File fp = new File(src);
            byte[] buff = new byte[(int) fp.length()];
            FileInputStream fis = new FileInputStream(fp);
            int read = fis.read(buff);
            javax.activation.FileTypeMap mmap = new javax.activation.MimetypesFileTypeMap();
            response.setContentType(mmap.getContentType(src));
            response.setContentLength((int) fp.length());
            response.setHeader("Content-Disposition",
                    request.getParameter("dtype") + "; filename=\"" + doc.getDocname() + "\";");
            response.getOutputStream().write(buff);
            response.getOutputStream().flush();
            response.getOutputStream().close();

            request.setAttribute("casedetails", "true");
            request.setAttribute("caseid", caseId);

        } else {
            request.setAttribute("logout", "true");
        }
        responseMessage = "usercases/redirect";
    }

    catch (Exception e) {
        logger.warn(e.getMessage(), e);

    }
    return new ModelAndView(responseMessage, "model", model);
}

---

From source file:fr.insalyon.creatis.vip.core.server.rpc.GetFileServiceImpl.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    try {//from  w  w w. jav  a  2s.  c  o  m
        User user = CoreDAOFactory.getDAOFactory().getUserDAO()
                .getUserBySession(req.getParameter(CoreConstants.COOKIES_SESSION));

        String filepath = req.getParameter("filepath");

        if (filepath != null && !filepath.isEmpty()) {

            File file = new File(Server.getInstance().getWorkflowsPath() + filepath);

            boolean isDir = false;
            if (file.isDirectory()) {
                String zipName = file.getAbsolutePath() + ".zip";
                FolderZipper.zipFolder(file.getAbsolutePath(), zipName);
                filepath = zipName;
                file = new File(zipName);
                isDir = true;
            }

            logger.info("(" + user.getEmail() + ") Downloading file '" + filepath + "'.");
            int length = 0;
            ServletOutputStream op = resp.getOutputStream();
            ServletContext context = getServletConfig().getServletContext();
            String mimetype = context.getMimeType(file.getName());

            resp.setContentType((mimetype != null) ? mimetype : "application/octet-stream");
            resp.setContentLength((int) file.length());
            resp.setHeader("Content-Disposition", "attachment; filename=\"" + file.getName() + "\"");

            byte[] bbuf = new byte[4096];
            DataInputStream in = new DataInputStream(new FileInputStream(file));

            while ((in != null) && ((length = in.read(bbuf)) != -1)) {
                op.write(bbuf, 0, length);
            }

            in.close();
            op.flush();
            op.close();

            if (isDir) {
                FileUtils.deleteQuietly(file);
            }
        }

    } catch (DAOException ex) {
        throw new ServletException(ex);
    }
}

---

From source file:com.flipkart.poseidon.core.PoseidonServlet.java

private void buildResponse(PoseidonRequest request, PoseidonResponse poseidonResponse,
        HttpServletResponse httpResponse) throws BadRequestException, ElementNotFoundException,
        InternalErrorException, ProcessingException, IOException {
    application.handleRequest(request, poseidonResponse);

    setHeaders(poseidonResponse, httpResponse);
    setCookies(poseidonResponse, httpResponse);

    httpResponse.setContentType(poseidonResponse.getContentType().toString());
    int statusCode = poseidonResponse.getStatusCode();
    if (statusCode < 100) {
        statusCode = SC_OK;/*from   ww  w  .ja va2s .co m*/
    }
    httpResponse.setStatus(statusCode);
    Object responseObj = poseidonResponse.getResponse();
    if (responseObj != null) {
        if (responseObj instanceof String) {
            httpResponse.getWriter().println((String) responseObj);
        } else if (responseObj instanceof ByteArrayDataType) {
            byte[] rawBytes = ((ByteArrayDataType) responseObj).getRawBytes();
            // we override default response meta-data as the data is raw bytes
            httpResponse.setContentType(MediaType.OCTET_STREAM.toString());
            httpResponse.setContentLength(rawBytes.length);
            httpResponse.getOutputStream().write(rawBytes);
        } else {
            httpResponse.getWriter().println(configuration.getObjectMapper().writeValueAsString(responseObj));
        }
    }
}

---

From source file:com.rplt.studioMusik.controller.MemberController.java

@RequestMapping(value = "/cetakNota", method = RequestMethod.GET)
public String cetakNota(HttpServletResponse response) {
    //        Connection conn = DatabaseConnection.getmConnection();
    //            File reportFile = new File(application.getRealPath("Coba.jasper"));//your report_name.jasper file
    File reportFile = new File(
            servletConfig.getServletContext().getRealPath("/resources/report/nota_persewaan.jasper"));

    //        Map<String, Object> params = new HashMap<String, Object>();
    //        params.put("P_KODESEWA", request.getParameter("kodeSewa"));

    byte[] bytes = persewaanStudioMusik.cetakNota(request.getParameter("kodeSewa"), reportFile);
    //        /*  www.  ja  v  a2 s. com*/
    //        try {
    //            bytes = JasperRunManager.runReportToPdf(reportFile.getPath(), params, conn);
    //        } catch (JRException ex) {
    //            Logger.getLogger(MemberController.class.getName()).log(Level.SEVERE, null, ex);
    //        }

    response.setContentType("application/pdf");
    response.setContentLength(bytes.length);

    try {
        ServletOutputStream outStream = response.getOutputStream();
        outStream.write(bytes, 0, bytes.length);
        outStream.flush();
        outStream.close();
    } catch (IOException ex) {
        Logger.getLogger(MemberController.class.getName()).log(Level.SEVERE, null, ex);
    }

    return "halaman-cetakNota-operator";
}

---

From source file:org.eurekastreams.server.service.servlets.GetThemeCssServlet.java

/**
 * {@inheritDoc}//from www  .ja va2 s.  c  om
 */
@Override
protected void doGet(final HttpServletRequest request, final HttpServletResponse response)
        throws ServletException, IOException {
    // grab items from spring context if not initialized, 500 error if unable
    try {
        initializeSpringObjects();
    } catch (Exception e) {
        httpError(HttpStatus.SC_INTERNAL_SERVER_ERROR, response);
        return;
    }

    // Convert request to theme uuid, 400 if error.
    String themeUuid = null;
    try {
        themeUuid = requestUriToThemeUuIdTransformer.transform(request.getRequestURI());

        // StringUtils.isEmpty checks for null or empty string, String.isEmtpy only checks length
        if (StringUtils.isEmpty(themeUuid)) {
            httpError(HttpStatus.SC_BAD_REQUEST, response);
            return;
        }
    } catch (Exception e) {
        httpError(HttpStatus.SC_BAD_REQUEST, response);
        return;
    }

    // get the string css by theme uuid, 404 on error.
    String themeCss = null;
    try {
        themeCss = getThemeCssByUuidMapper.execute(themeUuid);
    } catch (Exception e) {
        httpError(HttpStatus.SC_NOT_FOUND, response);
        return;
    }

    response.setContentType("text/css");
    response.setContentLength(themeCss.getBytes().length);

    PrintWriter out = response.getWriter();
    out.write(themeCss);
    out.flush();
}

---

From source file:org.fao.geonet.api.records.formatters.FormatterApi.java

private void writeOutResponse(ServiceContext context, String metadataUuid, String lang,
        HttpServletResponse response, FormatType formatType, byte[] formattedMetadata) throws Exception {
    response.setContentType(formatType.contentType);
    String filename = "metadata." + metadataUuid + formatType;
    response.addHeader("Content-Disposition", "inline; filename=\"" + filename + "\"");
    response.setStatus(HttpServletResponse.SC_OK);
    if (formatType == FormatType.pdf) {
        writerAsPDF(context, response, formattedMetadata, lang);
    } else {/* w  w w. ja va 2s  .  c  o  m*/
        response.setCharacterEncoding(Constants.ENCODING);
        response.setContentType("text/html");
        response.setContentLength(formattedMetadata.length);
        response.setHeader("Cache-Control", "no-cache");
        response.getOutputStream().write(formattedMetadata);
    }
}

---

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