Example usage for javax.servlet.http HttpServletResponse addHeader

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

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  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:mx.edu.um.mateo.general.web.BaseController.java

protected void generaReporte(String tipo, List<?> lista, HttpServletResponse response, String nombre,
        String tipoReporte, Long id) throws ReporteException {
    try {//from www . j  av  a  2s. c o  m
        log.debug("Generando reporte {}", tipo);
        byte[] archivo = null;
        switch (tipo) {
        case "PDF":
            archivo = generaPdf(lista, nombre, tipoReporte, id);
            response.setContentType("application/pdf");
            response.addHeader("Content-Disposition", "attachment; filename=" + nombre + ".pdf");
            System.out.println("termina de generar pdf");
            break;
        case "CSV":
            archivo = generaCsv(lista, nombre, tipoReporte, id);
            response.setContentType("text/csv");
            response.addHeader("Content-Disposition", "attachment; filename=" + nombre + ".csv");
            break;
        case "XLS":
            archivo = generaXls(lista, nombre, tipoReporte, id);
            response.setContentType("application/vnd.ms-excel");
            response.addHeader("Content-Disposition", "attachment; filename=" + nombre + ".xls");
        }
        if (archivo != null) {
            response.setContentLength(archivo.length);
            try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream())) {
                bos.write(archivo);
                bos.flush();
            }
        }
    } catch (JRException | IOException e) {
        throw new ReporteException("No se pudo generar el reporte", e);
    }

}

From source file:com.ikon.servlet.admin.ConfigServlet.java

/**
 * Export configuration/* w  w w .  j av a 2 s. c om*/
 */
private void export(String userId, HttpServletRequest request, HttpServletResponse response)
        throws DatabaseException, IOException {
    log.debug("export({}, {}, {})", new Object[] { userId, request, response });

    // Disable browser cache
    response.setHeader("Expires", "Sat, 6 May 1971 12:00:00 GMT");
    response.setHeader("Cache-Control", "max-age=0, must-revalidate");
    response.addHeader("Cache-Control", "post-check=0, pre-check=0");
    String fileName = "ikon_" + WarUtils.getAppVersion().getVersion() + "_cfg.sql";

    response.setHeader("Content-disposition", "inline; filename=\"" + fileName + "\"");
    response.setContentType("text/x-sql; charset=UTF-8");
    PrintWriter out = new PrintWriter(new OutputStreamWriter(response.getOutputStream(), "UTF8"), true);

    for (Config cfg : ConfigDAO.findAll()) {
        if (!Config.HIDDEN.equals(cfg.getType())) {
            out.println("DELETE FROM ikon_CONFIG WHERE CFG_KEY='" + cfg.getKey() + "';");
        }
    }

    for (Config cfg : ConfigDAO.findAll()) {
        if (!Config.HIDDEN.equals(cfg.getType())) {
            StringBuffer insertCfg = new StringBuffer(
                    "INSERT INTO ikon_CONFIG (CFG_KEY, CFG_TYPE, CFG_VALUE) VALUES ('");
            insertCfg.append(cfg.getKey()).append("', '");
            insertCfg.append(cfg.getType()).append("', '");

            if (cfg.getValue() == null || cfg.getValue().equals("null")) {
                insertCfg.append("").append("');");
            } else {
                insertCfg.append(cfg.getValue()).append("');");
            }

            out.println(insertCfg);
        }
    }

    out.flush();
    log.debug("export: void");
}

From source file:org.apache.hadoop.gateway.dispatch.HttpClientDispatch.java

protected void writeOutboundResponse(HttpUriRequest outboundRequest, HttpServletRequest inboundRequest,
        HttpServletResponse outboundResponse, HttpResponse inboundResponse) throws IOException {
    // Copy the client respond header to the server respond.
    outboundResponse.setStatus(inboundResponse.getStatusLine().getStatusCode());
    Header[] headers = inboundResponse.getAllHeaders();
    for (Header header : headers) {
        String name = header.getName();
        if (name.equals(SET_COOKIE) || name.equals(WWW_AUTHENTICATE)) {
            continue;
        }//from  w  ww.j av a2 s  .c  om
        String value = header.getValue();
        outboundResponse.addHeader(name, value);
    }

    HttpEntity entity = inboundResponse.getEntity();
    if (entity != null) {
        Header contentType = entity.getContentType();
        if (contentType != null) {
            outboundResponse.setContentType(contentType.getValue());
        }
        //KM[ If this is set here it ends up setting the content length to the content returned from the server.
        // This length might not match if the the content is rewritten.
        //      long contentLength = entity.getContentLength();
        //      if( contentLength <= Integer.MAX_VALUE ) {
        //        outboundResponse.setContentLength( (int)contentLength );
        //      }
        //]
        writeResponse(inboundRequest, outboundResponse, entity.getContent());
    }
}

From source file:com.vmware.identity.proxyservice.LogonProcessorImpl.java

@Override
public void internalError(Exception error, Locale locale, String tenant, HttpServletRequest request,
        HttpServletResponse response) {
    log.error("Caught internalError in authenticating with external IDP! {}", error.toString());
    Validate.notNull(response, "response");
    try {//from  w w  w.  ja  va 2s.  c  o  m

        int httpErrorCode = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
        String messageStr = error.getMessage();
        response.addHeader(Shared.RESPONSE_ERROR_HEADER, Shared.encodeString(messageStr));
        response.sendError(httpErrorCode, messageStr);
        log.info("Send client browser error: " + httpErrorCode + ", message: " + messageStr);

    } catch (IOException e) {
        log.error("Caught IOException in sending out response to relying party! {}", e.toString());
    }
}

From source file:com.seajas.search.profiler.controller.DownloadController.java

/**
 * Handle the request.//ww  w.  j  a v  a 2  s  . c o m
 * 
 * @param model
 * @param request
 * @param response
 * @return ModelAndView
 * @throws IOException
 */
@RequestMapping(method = RequestMethod.GET)
public ModelAndView handleRequest(final ModelMap model, final WebRequest request,
        final HttpServletResponse response) throws IOException {
    String documentPath = request.getParameter(PARAM_DOCUMENT);

    if (!StringUtils.isEmpty(documentPath)) {
        RepositoryContent content = repositoryService.getResource(documentPath);

        if (content != null && content.getInputStream() != null) {
            try {
                String filename = documentPath.lastIndexOf("/") != -1
                        ? documentPath.substring(documentPath.lastIndexOf('/') + 1)
                        : documentPath;

                // Add extensions for some common MIME types

                if (content.getMimeType() != null) {
                    response.addHeader("Content-Type", content.getMimeType());

                    if (content.getMimeType().equals("text/html")
                            || content.getMimeType().equals("application/xhtml+xml"))
                        filename += ".html";
                    else if (content.getMimeType().equals("application/pdf"))
                        filename += ".pdf";
                    else if (content.getMimeType().equals("application/msword"))
                        filename += ".doc";
                    else if (content.getMimeType().equals("application/vnd.ms-excel"))
                        filename += ".xls";
                    else if (content.getMimeType().equals("application/vnd.ms-powerpoint"))
                        filename += ".ppt";
                    else if (content.getMimeType()
                            .equals("application/vnd.openxmlformats-officedocument.wordprocessingml.document"))
                        filename += ".docx";
                    else if (content.getMimeType()
                            .equals("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"))
                        filename += ".xlsx";
                    else if (content.getMimeType().equals(
                            "application/vnd.openxmlformats-officedocument.presentationml.presentation"))
                        filename += ".pptx";
                    else if (content.getMimeType().equals("application/vnd.oasis.opendocument.text"))
                        filename += ".odt";
                    else if (content.getMimeType().equals("application/vnd.oasis.opendocument.spreadsheet"))
                        filename += ".ods";
                    else if (content.getMimeType().equals("application/vnd.oasis.opendocument.presentation"))
                        filename += ".odp";
                }

                // And then add the disposition header

                response.addHeader("Content-Disposition", "attachment; filename=" + filename);

                // Copy the input stream content over to the servlet's output stream

                IOUtils.copy(content.getInputStream(), response.getOutputStream());

            } finally {
                IOUtils.closeQuietly(content.getInputStream());
            }
        } else
            response.getWriter().print("The requested document could not be retrieved for downloading.");
    } else
        response.getWriter().print("No document was specified for downloading.");

    return null;
}

From source file:org.frontcache.FrontCacheEngine.java

private void addResponseHeaders(WebResponse webResponse, RequestContext context) {
    HttpServletResponse servletResponse = context.getResponse();

    servletResponse.setStatus(webResponse.getStatusCode());

    servletResponse.addHeader(FCHeaders.X_FRONTCACHE_ID, fcHostId);
    servletResponse.addHeader(FCHeaders.X_FRONTCACHE_REQUEST_ID, context.getRequestId());

    if (webResponse.getHeaders() != null) {
        for (String name : webResponse.getHeaders().keySet()) {
            for (String value : webResponse.getHeaders().get(name)) {

                if (null == servletResponse.getHeader(name)) // if header already exist (e.g. in case of WebFilter) - do not duplicate
                    servletResponse.addHeader(name, value);
            }//from w w w.j  a  va2 s. com
        }
    }
}

From source file:com.idr.servlets.UploadServlet.java

/**
 * method check the current status of upload and conversion and sending response
 * to the client /* w  w w  .  j a  v  a2 s . c o  m*/
 * @param session
 * @param response
 * @throws Exception 
 */
private void doStatus(HttpServletRequest request, HttpServletResponse response) throws Exception {
    //        System.out.println("Doing Status"+System.currentTimeMillis());
    HttpSession session = request.getSession();
    if (session == null) {
        return;
    }
    // Make sure the status response is not cached by the browser
    response.addHeader("Expires", "0");
    response.addHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    response.addHeader("Cache-Control", "post-check=0, pre-check=0");
    response.addHeader("Pragma", "no-cache");

    UploadListener fileUploadStats = null;
    if (session.getAttribute("FILE_UPLOAD_STATS") != null) {
        fileUploadStats = (UploadListener) session.getAttribute("FILE_UPLOAD_STATS");
    }
    if (session.getAttribute("href") == null) {
        if (session.getAttribute("isUploading") != null && session.getAttribute("isUploading").equals("true")
                && fileUploadStats != null) {
            response.getWriter().println("<div class=\"prog-border\"><div class=\"prog-bar\" style=\"width: "
                    + fileUploadStats.getPercent() + "%;\"></div></div>");
            response.getWriter().println("Uploading: " + fileUploadStats.getMessage() + " ("
                    + fileUploadStats.getPercent() + "%) <br/>");
            response.getWriter().println("<div id='currentSt'>uploading</div>");
        } else if (session.getAttribute("isConverting") != null && session.getAttribute("pageCount") != null
                && session.getAttribute("isConverting").equals("true")) {
            int pageCount = (Integer) session.getAttribute("pageCount");
            int pageReached = (Integer) session.getAttribute("pageReached");
            if (pageCount > 0) {
                int percentage = (int) Math.round(100.00 * pageReached / pageCount);
                //                    if (session.getAttribute("fileAlreadyUploaded").equals("true")) {
                //                        response.getWriter().println("<p>File already uploaded</p>");
                //                    }
                response.getWriter().println("<div class=\"convert-border\">"
                        + "<div class=\"convert-bar\" style=\"width: " + percentage + "%;\"></div></div>");
                response.getWriter()
                        .println("Converting " + conversionCount + " of " + totalConversions
                                + " documents.<br/> Converting " + pageReached + " of " + pageCount + " pages ("
                                + percentage + "% complete)<br/>");
                response.getWriter().println("<div id='currentSt'>converting</div>");
            }
        } else if (session.getAttribute("isZipping") != null
                && session.getAttribute("isZipping").equals("true")) {
            response.getWriter().println("Zipping: " + "<img src='img/uploading.gif'/>");
            response.getWriter().println("<div id='currentSt'>zipping</div>");
        }
    } else {
        response.getWriter().println("<end></end>" + session.getAttribute("href") + "<br/>");
        response.getWriter().println("<div id='currentSt'></div>");
        cancelUpload(request, response);
    }
}

From source file:com.silverpeas.servlets.upload.AjaxFileUploadServlet.java

/**
 * Return the current status of the upload.
 *
 * @param session the HttpSession.//  w w  w.  ja  v a2  s .c o m
 * @param response where the status is to be written.
 * @throws IOException
 */
private void doStatus(HttpSession session, HttpServletResponse response) throws IOException {
    boolean isSavingUploadedFiles = isSavingUploadedFile(session);
    Long bytesProcessed = null;
    Long totalSize = null;
    FileUploadListener.FileUploadStats fileUploadStats = (FileUploadListener.FileUploadStats) session
            .getAttribute(FILE_UPLOAD_STATS);
    if (fileUploadStats != null) {
        bytesProcessed = fileUploadStats.getBytesRead();
        totalSize = fileUploadStats.getTotalSize();
    }

    // Make sure the status response is not cached by the browser
    response.addHeader("Expires", "0");
    response.addHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    response.addHeader("Cache-Control", "post-check=0, pre-check=0");
    response.addHeader("Pragma", "no-cache");

    String fatalError = (String) session.getAttribute(UPLOAD_FATAL_ERROR);
    if (StringUtil.isDefined(fatalError)) {
        List<String> paths = (List<String>) session.getAttribute(FILE_UPLOAD_PATHS);
        String uploadedFilePaths = getUploadedFilePaths(paths);
        response.getWriter().println("<b>Upload uncomplete.</b>");
        response.getWriter().println("<script type='text/javascript'>window.parent.stop('" + fatalError + "', "
                + uploadedFilePaths + "); stop('" + fatalError + "', " + uploadedFilePaths + ");</script>");
        return;
    }

    if (bytesProcessed != null) {
        long percentComplete = (long) Math
                .floor((bytesProcessed.doubleValue() / totalSize.doubleValue()) * 100.0);
        response.getWriter().println("<b>Upload Status:</b><br/>");

        if (!bytesProcessed.equals(totalSize)) {
            response.getWriter().println("<div class=\"prog-border\"><div class=\"prog-bar\" style=\"width: "
                    + percentComplete + "%;\"></div></div>");
        } else {
            response.getWriter()
                    .println("<div class=\"prog-border\"><div class=\"prog-bar\" style=\"width: 100%;"
                            + "\"></div></div>");

            if (!isSavingUploadedFiles) {
                List<String> paths = (List<String>) session.getAttribute(FILE_UPLOAD_PATHS);
                String uploadedFilePaths = getUploadedFilePaths(paths);
                String errors = (String) session.getAttribute(UPLOAD_ERRORS);
                if (StringUtil.isDefined(errors)) {
                    response.getWriter().println("<b>Upload complete with error(s).</b><br/>");
                } else {
                    response.getWriter().println("<b>Upload complete.</b><br/>");
                    errors = "";
                }
                response.getWriter()
                        .println("<script type='text/javascript'>window.parent.stop('" + errors + "', "
                                + uploadedFilePaths + "); stop('" + errors + "', " + uploadedFilePaths
                                + ");</script>");
            }
        }
    }
}

From source file:io.seldon.api.controller.JsPortholeController.java

/**
 *
 * @param request ...//from  w w  w .j a v  a 2s . com
 * @param response ...
 * @param localId if non-null, use this local id instead of generating a {@link UUID}.
 *                Typically this will be used to propagate client-specific cookies where browser privacy issues have
 *                blocked the server-side setting.
 * @return
 */
private String ensureCookie(HttpServletRequest request, HttpServletResponse response, String localId) {
    final Cookie[] cookies = request.getCookies();
    String uuid = null;
    if (cookies != null) {
        for (Cookie cookie : cookies) {
            if (cookie.getName().equals(RL_COOKIE_ID)) {
                uuid = cookie.getValue();
            }
        }
    }
    if (uuid == null) {
        if (localId != null) {
            logger.info("Using local ID for porthole session: " + localId);
            uuid = localId;
        } else {
            uuid = UUID.randomUUID().toString();
        }
        final Cookie cookie = new Cookie(RL_COOKIE_ID, uuid);
        cookie.setMaxAge(COOKIE_MAX_AGE);
        response.addCookie(cookie);
        response.addHeader("P3P", "CP=\"IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT\"");
    }
    return uuid;
}

From source file:httpmultiplexer.httpproxy.ProxyServlet.java

/**
 * Copy proxied response headers back to the servlet client.
 */// w w  w.j  a  v  a 2s  .  com
protected void copyResponseHeaders(HttpResponse proxyResponse, HttpServletResponse servletResponse) {
    for (Header header : proxyResponse.getAllHeaders()) {
        if (hopByHopHeaders.containsHeader(header.getName())) {
            continue;
        }
        servletResponse.addHeader(header.getName(), header.getValue());
    }
}