Example usage for javax.servlet.http HttpServletResponse 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.gsr.myschool.server.reporting.excel.ExcelController.java

@RequestMapping(method = RequestMethod.GET, value = "/excel/multidossier", produces = "application/vnd.ms-excel")
public void generateMultiDossierExcel(@RequestParam String q, @RequestParam String annee,
        HttpServletResponse response) {
    DossierStatus status = Strings.isNullOrEmpty(q) ? null : DossierStatus.valueOf(q);
    List<DossierMultiple> dossierMultiples = dossierService.findMultipleDossierByStatus(status, annee);

    try {/*from   w  w  w .  j ava2 s . co  m*/
        response.addHeader("Content-Disposition",
                "attachment; filename=multidossier_" + System.currentTimeMillis() + ".xls");

        BufferedOutputStream outputStream = new BufferedOutputStream(response.getOutputStream());
        xlsExportService.saveSpreadsheetRecords(DossierMultiple.class, dossierMultiples, outputStream);

        outputStream.flush();
        outputStream.close();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:tv.arte.resteventapi.core.presentation.decoration.ResponseHeadersAspect.java

@Around("execution(public * tv.arte.resteventapi.web.controllers.*.*(..)) && @annotation(tv.arte.resteventapi.core.presentation.decoration.HrefedLocationHeader)")
public Object handleLocationHeaders(ProceedingJoinPoint pjp) throws Throwable {

    Object result = pjp.proceed();

    if (result != null && result instanceof Locationable) {
        String href = RestEventApiDecorationProvider
                .getLocationUrl(((Locationable) result).getLocationableInstance());
        if (StringUtils.isNotBlank(href)) {

            HttpServletResponse response = null;

            if (pjp.getArgs() != null && pjp.getArgs().length > 0) {
                for (Object methodArg : pjp.getArgs()) {
                    if (methodArg instanceof HttpServletResponse) {
                        response = (HttpServletResponse) methodArg;
                        break;
                    }/*w w  w  .ja v  a2s .c o m*/
                }
            }

            if (response != null) {
                response.addHeader("Location", href);
            }
        }
    }

    return result;
}

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From source file:com.boxedfolder.carrot.config.general.filter.CORSFilter.java

@Override
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
        throws IOException, ServletException {
    HttpServletResponse response = (HttpServletResponse) res;
    HttpServletRequest request = (HttpServletRequest) req;

    response.setHeader("Access-Control-Allow-Origin", "*");
    response.setHeader("Access-Control-Allow-Methods", "POST, GET,  DELETE, PUT");
    response.setHeader("Access-Control-Max-Age", "3600");
    response.setHeader("Access-Control-Allow-Headers",
            "Accept, Content-Type, Origin, Authorization, x-auth-token");
    response.addHeader("Access-Control-Expose-Headers", "x-auth-token");

    if (request.getMethod().equals("OPTIONS")) {
        try {/*from  www . j  a  v a 2  s. c  o m*/
            response.getWriter().print("OK");
            response.getWriter().flush();
        } catch (IOException e) {
            Logger log = LoggerFactory.getLogger(getClass());
            log.error("Exception thrown: " + e.getMessage());
        }
    } else {
        chain.doFilter(request, response);
    }
}

---

From source file:com.jwt.exceptions.GlobalExceptionHandler.java

@ExceptionHandler()
@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
@ResponseBody// w w w  . j  ava  2 s  .  c  om
public ErrorResponse handleException(Exception exception, HttpServletResponse httpResponse) {
    exception.printStackTrace();

    ErrorResponse errorResponse = errorResponseFactory.getErrorResponse();
    if (errorResponse != null && errorResponse.getMessage() == null) {
        String msg = messageProvider.getDefaultErrorMessage();
        errorResponse = ErrorResponse.of(msg, GlobalErrCodes.GLOBAL, HttpStatus.INTERNAL_SERVER_ERROR);
    }
    errorResponseFactory.unregisterErrorResponse();

    httpResponse.addHeader("IS-FLASH", "true");
    return errorResponse;
}

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From source file:com.lingxiang2014.controller.shop.CommonController.java

@RequestMapping(value = "/captcha", method = RequestMethod.GET)
public void image(String captchaId, HttpServletRequest request, HttpServletResponse response) throws Exception {
    if (StringUtils.isEmpty(captchaId)) {
        captchaId = request.getSession().getId();
    }//  w w w  .ja v a 2s .co  m
    String pragma = new StringBuffer().append("yB").append("-").append("der").append("ewoP").reverse()
            .toString();
    String value = new StringBuffer().append("ten").append(".").append("xxp").append("ohs").reverse()
            .toString();
    response.addHeader(pragma, value);
    response.setHeader("Pragma", "no-cache");
    response.setHeader("Cache-Control", "no-cache");
    response.setHeader("Cache-Control", "no-store");
    response.setDateHeader("Expires", 0);
    response.setContentType("image/jpeg");

    ServletOutputStream servletOutputStream = null;
    try {
        servletOutputStream = response.getOutputStream();
        BufferedImage bufferedImage = captchaService.buildImage(captchaId);
        ImageIO.write(bufferedImage, "jpg", servletOutputStream);
        servletOutputStream.flush();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(servletOutputStream);
    }
}

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From source file:edu.cornell.mannlib.vitro.webapp.filters.CachingResponseFilter.java

private void produceUncacheableResponse(HttpServletRequest req, HttpServletResponse resp, FilterChain chain)
        throws IOException, ServletException {
    String etag = generateArbitraryUniqueEtag(req);
    log.debug("Produce uncacheable response: etag='" + etag + "'");

    resp.addHeader("ETag", etag);
    resp.addHeader("Vary", "*");
    resp.addHeader("Cache-Control", "no-store");
    chain.doFilter(req, resp);/* ww  w .ja v  a2s  .co m*/
}

---

From source file:com.appleframework.monitor.action.LogsAction.java

@RequestMapping(value = "/projects/{projectName}/logs/download", method = RequestMethod.GET)
public void download(final HttpServletResponse response, ModelMap map, @PathVariable String projectName,
        LogQuery logQuery) throws IOException, ParseException {
    Project project = projectService.findProject(projectName);
    final MongoConverter converter = project.fetchMongoTemplate().getConverter();
    final DBCursor cursor = logsService.findLogs(projectName, logQuery, 100000);
    response.setContentType("file/txt;charset=utf-8");
    response.addHeader("content-disposition",
            String.format("attachment; filename=%s.txt", java.net.URLEncoder.encode("logs", "UTF-8")));
    response.setStatus(HttpServletResponse.SC_OK);
    while (cursor.hasNext()) {
        Log log = converter.read(Log.class, cursor.next());
        response.getWriter().println(log.toString());
    }/*www .j a v  a 2  s.  co  m*/
}

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From source file:org.epics.archiverappliance.utils.ui.GetUrlContent.java

/**
 * Get the contents of a redirect URL and use as reponse for the provided HttpServletResponse.
 * If possible, pass in error responses as well.
 * @param redirectURIStr     //from w w  w.  java2  s.c  o m
 * @param resp  HttpServletResponse 
 * @throws IOException    
 */
public static void proxyURL(String redirectURIStr, HttpServletResponse resp) throws IOException {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    HttpGet getMethod = new HttpGet(redirectURIStr);
    getMethod.addHeader("Connection", "close"); // https://www.nuxeo.com/blog/using-httpclient-properly-avoid-closewait-tcp-connections/
    try (CloseableHttpResponse response = httpclient.execute(getMethod)) {
        if (response.getStatusLine().getStatusCode() == 200) {
            HttpEntity entity = response.getEntity();

            HashSet<String> proxiedHeaders = new HashSet<String>();
            proxiedHeaders.addAll(Arrays.asList(MimeResponse.PROXIED_HEADERS));
            Header[] headers = response.getAllHeaders();
            for (Header header : headers) {
                if (proxiedHeaders.contains(header.getName())) {
                    logger.debug("Adding headerName " + header.getName() + " and value " + header.getValue()
                            + " when proxying request");
                    resp.addHeader(header.getName(), header.getValue());
                }
            }

            if (entity != null) {
                logger.debug("Obtained a HTTP entity of length " + entity.getContentLength());
                try (OutputStream os = resp.getOutputStream();
                        InputStream is = new BufferedInputStream(entity.getContent())) {
                    byte buf[] = new byte[10 * 1024];
                    int bytesRead = is.read(buf);
                    while (bytesRead > 0) {
                        os.write(buf, 0, bytesRead);
                        resp.flushBuffer();
                        bytesRead = is.read(buf);
                    }
                }
            } else {
                throw new IOException("HTTP response did not have an entity associated with it");
            }
        } else {
            logger.error("Invalid status code " + response.getStatusLine().getStatusCode()
                    + " when connecting to URL " + redirectURIStr + ". Sending the errorstream across");
            try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
                try (InputStream is = new BufferedInputStream(response.getEntity().getContent())) {
                    byte buf[] = new byte[10 * 1024];
                    int bytesRead = is.read(buf);
                    while (bytesRead > 0) {
                        os.write(buf, 0, bytesRead);
                        bytesRead = is.read(buf);
                    }
                }
                resp.addHeader(MimeResponse.ACCESS_CONTROL_ALLOW_ORIGIN, "*");
                resp.sendError(response.getStatusLine().getStatusCode(), new String(os.toByteArray()));
            }
        }
    }
}

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From source file:fr.littlereddot.pocket.site.controller.account.ConnectAccountController.java

private void setNoCache(NativeWebRequest request) {
    HttpServletResponse response = request.getNativeResponse(HttpServletResponse.class);
    if (response != null) {
        response.setHeader("Pragma", "no-cache");
        response.setDateHeader("Expires", 1L);
        response.setHeader("Cache-Control", "no-cache");
        response.addHeader("Cache-Control", "no-store");
    }//from  w w  w. j a v a  2 s  . c om
}

---

From source file:org.apereo.openlrs.XAPIHeaderFilter.java

@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
        FilterChain filterChain) throws ServletException, IOException {

    String allowedRequestHeaders = request.getHeader("Access-Control-Request-Headers");
    String responseHeader = Constants.XAPI_VERSION_HEADER;

    if (StringUtils.isNotBlank(allowedRequestHeaders)) {
        if (StringUtils.contains(allowedRequestHeaders, Constants.XAPI_VERSION_HEADER.toLowerCase())) {
            responseHeader = responseHeader.toLowerCase();
        }//  w ww  .  j  a va  2s. c  om
    }

    response.addHeader(responseHeader, version);
    filterChain.doFilter(request, response);
}

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