Example usage for javax.servlet.http HttpServletResponse addHeader

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

  1. HOME
  2. Java
  3. javax
  4. javax.servlet.http.*
  5. HttpServletResponse
  6. addHeader

Introduction

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

Prototype

public void addHeader(String name, String value);

Source Link

Document

Adds a response header with the given name and value.

Usage

From source file:com.hzc.framework.ssh.controller.WebUtil.java

public static void writeExcel(String templateFile, String fileName, List list) throws IOException {
    HttpServletResponse resp = W.getResp();
    resp.setContentType("application/vnd.ms-excel");
    resp.addHeader("Content-Disposition", "attachment;   filename=\"" + fileName + ".xls" + "\"");
    new ExcelUtil().writeExcel(templateFile, list, resp.getOutputStream());
}

From source file:edu.unc.lib.dl.admin.controller.ExportController.java

@RequestMapping(value = "{pid}", method = RequestMethod.GET)
public void export(@PathVariable("pid") String pid, HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    String filename = pid.replace(":", "_") + ".csv";
    response.addHeader("Content-Disposition", "attachment; filename=\"" + filename + "\"");
    response.addHeader("Content-Type", "text/csv");

    SearchRequest searchRequest = generateSearchRequest(request, searchStateFactory.createSearchState());

    SearchState searchState = searchRequest.getSearchState();
    searchState.setResultFields(Arrays.asList(SearchFieldKeys.ID.name(), SearchFieldKeys.TITLE.name(),
            SearchFieldKeys.RESOURCE_TYPE.name(), SearchFieldKeys.ANCESTOR_IDS.name(),
            SearchFieldKeys.STATUS.name(), SearchFieldKeys.DATASTREAM.name(),
            SearchFieldKeys.ANCESTOR_PATH.name(), SearchFieldKeys.CONTENT_MODEL.name(),
            SearchFieldKeys.DATE_ADDED.name(), SearchFieldKeys.DATE_UPDATED.name(),
            SearchFieldKeys.LABEL.name()));
    searchState.setSortType("export");
    searchState.setRowsPerPage(searchSettings.maxPerPage);

    BriefObjectMetadata container = queryLayer.addSelectedContainer(pid, searchState, false);
    SearchResultResponse resultResponse = queryLayer.getSearchResults(searchRequest);

    List<BriefObjectMetadata> objects = resultResponse.getResultList();
    objects.add(0, container);/*  w  w w.  j ava 2 s  .  com*/
    queryLayer.getChildrenCounts(objects, searchRequest);

    try (ServletOutputStream out = response.getOutputStream()) {
        Writer writer = new BufferedWriter(new OutputStreamWriter(out, StandardCharsets.ISO_8859_1));

        try (CSVPrinter printer = CSVFormat.EXCEL.print(writer)) {
            printHeaders(printer);

            for (BriefObjectMetadata object : objects) {
                printObject(printer, object);
            }
        }
    }
}

From source file:net.groupbuy.controller.admin.CommonController.java

/**
 * ??//from ww w.  jav a2 s.  co m
 */
@RequestMapping("/unauthorized")
public String unauthorized(HttpServletRequest request, HttpServletResponse response) {
    String requestType = request.getHeader("X-Requested-With");
    if (requestType != null && requestType.equalsIgnoreCase("XMLHttpRequest")) {
        response.addHeader("loginStatus", "unauthorized");
        try {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }
    return "/admin/common/unauthorized";
}

From source file:com.eufar.emc.server.UploadFunction.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    System.out.println("UploadFunction - the function started");
    response.setContentType("text/html;charset=UTF-8");
    response.addHeader("Cache-Control", "no-cache,no-store");
    @SuppressWarnings("unused")
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);
    FileItemFactory factory = new DiskFileItemFactory();
    ServletFileUpload upload = new ServletFileUpload(factory);
    try {//from www  . j  av a2 s . c  o  m
        List<?> items = upload.parseRequest(request);
        Iterator<?> iter = items.iterator();
        while (iter.hasNext()) {
            Object obj = iter.next();
            if (obj == null) {
                continue;
            }
            org.apache.commons.fileupload.FileItem item = (org.apache.commons.fileupload.FileItem) obj;
            if (FilenameUtils.getExtension(item.getName()).matches("(xml|XML)")) {
                if (item.isFormField()) {
                    String name = item.getName();
                    String value = "";
                    if (name.compareTo("textBoxFormElement") == 0) {
                        value = item.getString();
                    } else {
                        value = item.getString();
                    }
                    response.getWriter().write(name + "=" + value + "\n");
                } else {
                    byte[] fileContents = item.get();
                    String message = new String(fileContents);
                    response.setCharacterEncoding("UTF-8");
                    response.setContentType("text/html");
                    response.getWriter().write(message);
                    System.out.println("UploadFunction - file uploaded");
                }
            } else {
                System.out.println("UploadFunction - file rejected: wrong format");
                response.setCharacterEncoding("UTF-8");
                response.setContentType("text/html");
                response.getWriter().write("format");
            }
        }
    } catch (Exception ex) {
        System.out.println("UploadFunction - a problem occured: " + ex);
        response.getWriter().write("ERROR:" + ex.getMessage());
    }
}

From source file:org.openmrs.module.dhisreport.web.controller.ReportDefinitionController.java

@RequestMapping(value = "/module/dhisreport/exportReportDefinitions", method = RequestMethod.GET)
public void export(ModelMap model, HttpServletResponse response) throws Exception {
    response.setContentType("application/xml");
    response.setCharacterEncoding("UTF-8");
    response.addHeader("Content-Disposition", "attachment; filename=reportDefinition.xml");
    DHIS2ReportingService service = Context.getService(DHIS2ReportingService.class);
    ReportTemplates templates = service.getReportTemplates();
    service.marshallReportTemplates(response.getOutputStream(), templates);
}

From source file:com.ewcms.component.checkcode.web.ImageCaptchaServlet.java

private void initResponseHeader(final HttpServletResponse response) {
    response.setHeader("Content-Language", "zh-CN");
    response.setHeader("Cache-Control", "no-store");
    //set on cache
    ///Http 1.0 header
    response.setDateHeader("Expires", 0);
    response.addHeader("Pragma", "no-cache");
    //Http 1.1 header
    response.setHeader("Cache-Control", "no-cache");
    response.setContentType(IMG_JPEG_TYPE);
}

From source file:be.fedict.eid.applet.service.HSTSFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    TransportService transportService = this.transportServiceLocator.locateService();
    if (null == transportService) {
        chain.doFilter(request, response);
        return;//from   w w w .jav a  2 s . c  om
    }
    StrictTransportSecurityConfig hstsConfig = transportService.getStrictTransportSecurityConfig();
    if (null == hstsConfig) {
        chain.doFilter(request, response);
        return;
    }
    LOG.debug("adding HSTS header");
    HttpServletResponse httpServletResponse = (HttpServletResponse) response;
    String headerValue = "max-age=" + hstsConfig.getMaxAge();
    if (hstsConfig.isIncludeSubdomains()) {
        headerValue += "; includeSubdomains";
    }
    httpServletResponse.addHeader("Strict-Transport-Security", headerValue);
    chain.doFilter(request, response);
}

From source file:com.hmsinc.epicenter.webapp.map.MapStylingController.java

@Transactional(readOnly = true)
@RequestMapping("/spatial-scan")
public void handleSpatialScanRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    final StyleParameters styleParameters = parse(request);

    response.setContentType(PNG_CONTENT_TYPE);
    response.addHeader("cache-control", "must-revalidate");

    final BufferedImage image = spatialScanService.scan(styleParameters.getParameters(),
            styleParameters.getGeographyClass(), GoogleProjection.GOOGLE_MERCATOR, 800, 600, false, false)
            .getImage();/*  w  ww.  j a v a2s  .  com*/
    if (image == null) {
        logger.debug("No image to render: {}", styleParameters);
    } else {
        ImageIO.write(image, "png", response.getOutputStream());
    }
}

From source file:com.intel.rsa.podm.rest.filters.UrlValidationFilter.java

private void setErrorResponse(HttpServletResponse httpServletResponse, ErrorResponse error) {
    httpServletResponse.reset();/*www.ja v a2  s. co  m*/
    httpServletResponse.resetBuffer();

    //we have to add since this request is outside our app
    httpServletResponse.addHeader("OData-Version", "4.0");
    httpServletResponse.addHeader("Cache-Control", "max-age=0");
    httpServletResponse.addHeader("Access-Control-Allow-Origin", "*");

    httpServletResponse.setCharacterEncoding(DEFAULT_ENCODING_HTTP);
    httpServletResponse.setContentType(MediaType.APPLICATION_JSON);
    httpServletResponse.setStatus(error.getErrorCode());

    try (PrintWriter responseWriter = httpServletResponse.getWriter()) {
        responseWriter.print(getJsonResponse(error));
        responseWriter.flush();
    } catch (IOException e) {
        logger.e("Unable to write response. Sending empty body response.", e);
    }
}

From source file:eu.europeana.corelib.europeanastatic.controllers.ImageController.java

private void setImageCacheControlHeaders(HttpServletResponse response) {
    long now = System.currentTimeMillis();
    response.addHeader("Cache-Control", "max-age=" + CACHE_DURATION_IN_SECOND);
    response.addHeader("Cache-Control", "must-revalidate"); //optional
    response.setDateHeader("Last-Modified", now);
    response.setDateHeader("Expires", now + CACHE_DURATION_IN_SECOND * 1000);
}