Java Code Examples for javax.servlet.http.HttpServletResponse#setHeader()
The following examples show how to use
javax.servlet.http.HttpServletResponse#setHeader() .
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Example 1
Source File: BinaryDataBasedDataExtractor.java From waltz with Apache License 2.0 | 6 votes |
private Object writeSvg(String suggestedFilenameStem, byte[] dataBytes, Response response) throws IOException { HttpServletResponse httpResponse = response.raw(); httpResponse.setHeader("Content-Type", "image/svg+xml"); httpResponse.setHeader("Content-Disposition", "attachment; filename=" + suggestedFilenameStem + ".svg"); httpResponse.setHeader("Content-Transfer-Encoding", "7bit"); httpResponse.setContentLength(dataBytes.length); httpResponse.getOutputStream().write(dataBytes); httpResponse.getOutputStream().flush(); httpResponse.getOutputStream().close(); return httpResponse; }
Example 2
Source File: ServletUtils.java From frpMgr with MIT License | 6 votes |
/** * 根据浏览器 If-None-Match Header, 计算Etag是否已无效. * 如果Etag有效, checkIfNoneMatch返回false, 设置304 not modify status. * @param etag 内容的ETag. */ public static boolean checkIfNoneMatchEtag(HttpServletRequest request, HttpServletResponse response, String etag) { String headerValue = request.getHeader(HttpHeaders.IF_NONE_MATCH); if (headerValue != null) { boolean conditionSatisfied = false; if (!"*".equals(headerValue)) { StringTokenizer commaTokenizer = new StringTokenizer(headerValue, ","); while (!conditionSatisfied && commaTokenizer.hasMoreTokens()) { String currentToken = commaTokenizer.nextToken(); if (currentToken.trim().equals(etag)) { conditionSatisfied = true; } } } else { conditionSatisfied = true; } if (conditionSatisfied) { response.setStatus(HttpServletResponse.SC_NOT_MODIFIED); response.setHeader(HttpHeaders.ETAG, etag); return false; } } return true; }
Example 3
Source File: OutExcelInterceptor.java From ZTuoExchange_framework with MIT License | 6 votes |
@Override public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception { String fileName = httpServletRequest.getParameter("fileName"); if(fileName!=null){ if(!fileName.endsWith(".xls")){ fileName += ".xls" ; } }else{ fileName = "default.xls"; } log.info("{}",fileName); httpServletResponse.setContentType("application/vnd.ms-excel"); httpServletResponse.setHeader("Content-Disposition", "attachment;filename="+fileName); httpServletResponse.setContentType("utf-8"); return true; }
Example 4
Source File: Over23CandidacyProcessDA.java From fenixedu-academic with GNU Lesser General Public License v3.0 | 6 votes |
public ActionForward prepareExecutePrintCandidacies(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws IOException { response.setContentType("application/vnd.ms-excel"); response.setHeader("Content-disposition", "attachment; filename=" + getReportFilename()); final ServletOutputStream writer = response.getOutputStream(); final Over23CandidacyProcess process = getProcess(request); final Spreadsheet spreadsheet = buildReport(process.getOver23IndividualCandidaciesThatCanBeSendToJury()); spreadsheet.exportToXLSSheet(writer); writer.flush(); response.flushBuffer(); return null; }
Example 5
Source File: HttpUtils.java From cloudstack with Apache License 2.0 | 6 votes |
public static void addSecurityHeaders(final HttpServletResponse resp) { if (resp.containsHeader("X-Content-Type-Options")) { resp.setHeader("X-Content-Type-Options", "nosniff"); } else { resp.addHeader("X-Content-Type-Options", "nosniff"); } if (resp.containsHeader("X-XSS-Protection")) { resp.setHeader("X-XSS-Protection", "1;mode=block"); } else { resp.addHeader("X-XSS-Protection", "1;mode=block"); } if (resp.containsHeader("content-security-policy")) { resp.setIntHeader("content-security-policy", 1); }else { resp.addIntHeader("content-security-policy", 1); } resp.addHeader("content-security-policy","default-src=none"); resp.addHeader("content-security-policy","script-src=self"); resp.addHeader("content-security-policy","connect-src=self"); resp.addHeader("content-security-policy","img-src=self"); resp.addHeader("content-security-policy","style-src=self"); }
Example 6
Source File: CustomAuthenticationEntryPoint.java From codeway_service with GNU General Public License v3.0 | 5 votes |
@Override public void commence(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, AuthenticationException e) throws IOException, ServletException { httpServletResponse.setHeader("Content-type", "application/json;charset=UTF-8"); // httpServletResponse.setStatus(HttpServletResponse.SC_UNAUTHORIZED); // 如果这里状态改为HttpServletResponse.SC_UNAUTHORIZED 会导致feign之间调用异常 see https://xujin.org/sc/sc-feign-4xx/ httpServletResponse.setStatus(HttpServletResponse.SC_OK); LogBack.error("用户没有登录时返回给前端的数据"); JsonData jsonData = new JsonData(StatusEnum.LOGIN_EXPIRED); httpServletResponse.getWriter().write(JsonUtil.toJsonString(jsonData)); }
Example 7
Source File: DTSServlet.java From tds with BSD 3-Clause "New" or "Revised" License | 5 votes |
/** * Sends an error to the client. * * @param e The exception that caused the problem. * @param rs The <code>ReqState</code> for the client. */ public void anyExceptionHandler(Throwable e, ReqState rs) { try { log.error("DODServlet ERROR (anyExceptionHandler): " + e); printThrowable(e); // Strip any double quotes out of the parser error message. // These get stuck in auto-magically by the javacc generated parser // code and they break our error parser (bummer!) String msg = e.getMessage(); if (msg != null) msg = msg.replace('\"', '\''); if (rs != null) { HttpServletResponse response = rs.getResponse(); log.error(rs + ""); if (track) { RequestDebug reqD = (RequestDebug) rs.getUserObject(); log.error(" request number: " + reqD.reqno + " thread: " + reqD.threadDesc); } BufferedOutputStream eOut = new BufferedOutputStream(response.getOutputStream()); response.setHeader("Content-Description", "dods-error"); // This should probably be set to "plain" but this works, the // C++ slients don't barf as they would if I sent "plain" AND // the C++ don't expect compressed data if I do this... response.setHeader("Content-Encoding", ""); DAP2Exception de2 = new DAP2Exception(opendap.dap.DAP2Exception.UNDEFINED_ERROR, msg); de2.print(eOut); } } catch (IOException ioe) { log.error("Cannot respond to client! IO Error: " + ioe.getMessage()); } }
Example 8
Source File: SimpleResponseView.java From rdf4j with BSD 3-Clause "New" or "Revised" License | 5 votes |
@SuppressWarnings("rawtypes") @Override public void render(Map model, HttpServletRequest request, HttpServletResponse response) throws Exception { Integer sc = (Integer) model.get(SC_KEY); if (sc == null) { sc = DEFAULT_SC; } response.setStatus(sc.intValue()); response.setContentType(getContentType()); if (model.containsKey(CUSTOM_HEADERS_KEY)) { Map<String, String> customHeaders = (Map<String, String>) model.get(CUSTOM_HEADERS_KEY); if (customHeaders != null) { for (String headerName : customHeaders.keySet()) { response.setHeader(headerName, customHeaders.get(headerName)); } } } try (OutputStream out = response.getOutputStream()) { String content = (String) model.get(CONTENT_KEY); if (content != null) { byte[] contentBytes = content.getBytes("UTF-8"); response.setContentLength(contentBytes.length); out.write(contentBytes); } else { response.setContentLength(0); } } }
Example 9
Source File: HttpCacheUtil.java From apiman with Apache License 2.0 | 5 votes |
static void disableHttpCaching(HttpServletResponse httpResponse) { Date now = new Date(); httpResponse.setDateHeader("Date", now.getTime()); //$NON-NLS-1$ httpResponse.setDateHeader("Expires", expiredSinceYesterday(now)); //$NON-NLS-1$ httpResponse.setHeader("Pragma", "no-cache"); //$NON-NLS-1$ //$NON-NLS-2$ httpResponse.setHeader("Cache-control", "no-cache, no-store, must-revalidate"); //$NON-NLS-1$ //$NON-NLS-2$ }
Example 10
Source File: HealthCheckServlet.java From xipki with Apache License 2.0 | 5 votes |
@Override protected void doGet(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException { resp.setHeader("Access-Control-Allow-Origin", "*"); try { String path = (String) req.getAttribute(HttpConstants.ATTR_XIPKI_PATH); ResponderAndPath responderAndPath = server.getResponderForPath(path); if (responderAndPath == null) { resp.setStatus(HttpServletResponse.SC_NOT_FOUND); resp.setContentLength(0); return; } HealthCheckResult healthResult = server.healthCheck(responderAndPath.getResponder()); int status = healthResult.isHealthy() ? HttpServletResponse.SC_OK : HttpServletResponse.SC_INTERNAL_SERVER_ERROR; byte[] respBytes = JSON.toJSONBytes(healthResult); resp.setStatus(status); resp.setContentType(HealthCheckServlet.CT_RESPONSE); resp.setContentLength(respBytes.length); resp.getOutputStream().write(respBytes); } catch (Throwable th) { if (th instanceof EOFException) { LogUtil.warn(LOG, th, "connection reset by peer"); } else { LOG.error("Throwable thrown, this should not happen", th); } resp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); resp.setContentLength(0); } finally { resp.flushBuffer(); } }
Example 11
Source File: PushController.java From es with Apache License 2.0 | 5 votes |
/** * 获取页面的提示信息 * @return */ @RequestMapping(value = "/admin/polling") @ResponseBody public Object polling(HttpServletResponse resp, @CurrentUser User user) { resp.setHeader("Connection", "Keep-Alive"); resp.addHeader("Cache-Control", "private"); resp.addHeader("Pragma", "no-cache"); Long userId = user.getId(); if(userId == null) { return null; } //如果用户第一次来 立即返回 if(!pushService.isOnline(userId)) { Long unreadMessageCount = messageApi.countUnread(userId); List<Map<String, Object>> notifications = notificationApi.topFiveNotification(user.getId()); Map<String, Object> data = Maps.newHashMap(); data.put("unreadMessageCount", unreadMessageCount); data.put("notifications", notifications); pushService.online(userId); return data; } else { //长轮询 return pushService.newDeferredResult(userId); } }
Example 12
Source File: AtlasAuthenticationEntryPoint.java From incubator-atlas with Apache License 2.0 | 5 votes |
@Override public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException { String ajaxRequestHeader = request.getHeader("X-Requested-With"); response.setHeader("X-Frame-Options", "DENY"); if ("XMLHttpRequest".equals(ajaxRequestHeader)) { response.setStatus(HttpServletResponse.SC_UNAUTHORIZED); } else { LOG.debug("redirecting to login page loginPath" + loginPath); response.sendRedirect(loginPath); } }
Example 13
Source File: CsvView.java From spring-boot-doma2-sample with Apache License 2.0 | 5 votes |
@Override protected final void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) throws Exception { // ファイル名に日本語を含めても文字化けしないようにUTF-8にエンコードする val encodedFilename = EncodeUtils.encodeUtf8(filename); val contentDisposition = String.format("attachment; filename*=UTF-8''%s", encodedFilename); response.setHeader(CONTENT_TYPE, getContentType()); response.setHeader(CONTENT_DISPOSITION, contentDisposition); // CSVヘッダをオブジェクトから作成する CsvSchema schema = csvMapper.schemaFor(clazz).withHeader(); if (isNotEmpty(columns)) { // カラムが指定された場合は、スキーマを再構築する val builder = schema.rebuild().clearColumns(); for (String column : columns) { builder.addColumn(column); } schema = builder.build(); } // 書き出し val outputStream = createTemporaryOutputStream(); try (Writer writer = new OutputStreamWriter(outputStream, "Windows-31J")) { csvMapper.writer(schema).writeValue(writer, data); } }
Example 14
Source File: ExternalSupervisorViewDegreeDA.java From fenixedu-academic with GNU Lesser General Public License v3.0 | 5 votes |
public ActionForward exportXLS(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException { ExternalSupervisorViewsBean bean = getRenderedObject("sessionBean"); final Spreadsheet spreadsheet = generateSpreadsheet(bean); response.setContentType("application/vnd.ms-excel"); response.setHeader("Content-disposition", "attachment; filename=" + getFilename(bean) + ".xls"); spreadsheet.exportToXLSSheet(response.getOutputStream()); response.getOutputStream().flush(); response.flushBuffer(); return null; }
Example 15
Source File: CaptchaUtil.java From EasyCaptcha with Apache License 2.0 | 5 votes |
/** * 设置相应头 * * @param response HttpServletResponse */ public static void setHeader(HttpServletResponse response) { response.setContentType("image/gif"); response.setHeader("Pragma", "No-cache"); response.setHeader("Cache-Control", "no-cache"); response.setDateHeader("Expires", 0); }
Example 16
Source File: AbstractJettyServerTestCase.java From spring4-understanding with Apache License 2.0 | 5 votes |
@Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { assertTrue("Invalid request content-length", request.getContentLength() > 0); assertNotNull("No content-type", request.getContentType()); String body = FileCopyUtils.copyToString(request.getReader()); assertEquals("Invalid request body", s, body); response.setStatus(HttpServletResponse.SC_CREATED); response.setHeader("Location", baseUrl + location); response.setContentLength(buf.length); response.setContentType(contentType.toString()); FileCopyUtils.copy(buf, response.getOutputStream()); }
Example 17
Source File: AccessControlAllowInterception.java From app-version with Apache License 2.0 | 4 votes |
@Override public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception { response.setHeader("Access-Control-Allow-Headers","Origin, X-Requested-With, Content-Type, Accept, Access-Control-Allow-Origin, Authorization, appId, serviceId"); response.setHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS"); super.afterCompletion(request, response, handler, ex); }
Example 18
Source File: PurchaseOrderAction.java From kfs with GNU Affero General Public License v3.0 | 4 votes |
/** * Creates a PDF document based on the PO information and the items that were selected by the user on the Purchase Order * Retransmit Document page to be retransmitted, then display the PDF to the browser. * * @param mapping An ActionMapping * @param form An ActionForm * @param request The HttpServletRequest * @param response The HttpServletResponse * @throws Exception * @return An ActionForward */ public ActionForward printingRetransmitPoOnly(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { String selectedItemIndexes = request.getParameter("selectedItemIndexes"); String documentNumber = request.getParameter("poDocumentNumberForRetransmit"); PurchaseOrderDocument po = SpringContext.getBean(PurchaseOrderService.class).getPurchaseOrderByDocumentNumber(documentNumber); String retransmitHeader = request.getParameter("retransmitHeader"); // setting the isItemSelectedForRetransmitIndicator items of the PO obtained from the database based on its value from // the po from the form setItemSelectedForRetransmitIndicatorFromPOInForm(selectedItemIndexes, po.getItems()); po.setRetransmitHeader(retransmitHeader); ByteArrayOutputStream baosPDF = new ByteArrayOutputStream(); try { StringBuffer sbFilename = new StringBuffer(); sbFilename.append("PURAP_PO_"); sbFilename.append(po.getPurapDocumentIdentifier()); sbFilename.append("_"); sbFilename.append(System.currentTimeMillis()); sbFilename.append(".pdf"); // below method will throw ValidationException if errors are found SpringContext.getBean(PurchaseOrderService.class).retransmitPurchaseOrderPDF(po, baosPDF); response.setHeader("Cache-Control", "max-age=30"); response.setContentType("application/pdf"); StringBuffer sbContentDispValue = new StringBuffer(); sbContentDispValue.append("inline"); sbContentDispValue.append("; filename="); sbContentDispValue.append(sbFilename); response.setHeader("Content-disposition", sbContentDispValue.toString()); response.setContentLength(baosPDF.size()); ServletOutputStream sos; sos = response.getOutputStream(); baosPDF.writeTo(sos); sos.flush(); } catch (ValidationException e) { LOG.warn("Caught ValidationException while trying to retransmit PO with doc id " + po.getDocumentNumber()); return mapping.findForward(KFSConstants.MAPPING_ERROR); } finally { if (baosPDF != null) { baosPDF.reset(); } } return null; }
Example 19
Source File: BenchmarkTest00283.java From Benchmark with GNU General Public License v2.0 | 4 votes |
@Override public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); String param = ""; java.util.Enumeration<String> headers = request.getHeaders("Referer"); if (headers != null && headers.hasMoreElements()) { param = headers.nextElement(); // just grab first element } // URL Decode the header value since req.getHeaders() doesn't. Unlike req.getParameters(). param = java.net.URLDecoder.decode(param, "UTF-8"); String bar = org.owasp.esapi.ESAPI.encoder().encodeForHTML(param); response.setHeader("X-XSS-Protection", "0"); response.getWriter().println(bar.toCharArray()); }
Example 20
Source File: BenchmarkTest00476.java From Benchmark with GNU General Public License v2.0 | 4 votes |
@Override public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); java.util.Map<String,String[]> map = request.getParameterMap(); String param = ""; if (!map.isEmpty()) { String[] values = map.get("BenchmarkTest00476"); if (values != null) param = values[0]; } String bar; // Simple ? condition that assigns constant to bar on true condition int num = 106; bar = (7*18) + num > 200 ? "This_should_always_happen" : param; response.setHeader("X-XSS-Protection", "0"); response.getWriter().println(bar); }