Example usage for javax.servlet.http HttpServletResponse setDateHeader

Introduction

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

Prototype

public void setDateHeader(String name, long date);

Source Link

Document

Sets a response header with the given name and date-value.

Usage

From source file:com.zoe.weiya.security.WwwAuthFilter.java

private void needAuthenticate(final HttpServletRequest request, final HttpServletResponse response) {
    response.setStatus(401);/*from   ww  w  .  j  a va2 s. co m*/
    response.setHeader("Cache-Control", "no-store");
    response.setDateHeader("Expires", 0);
    response.setHeader("WWW-authenticate", AUTH_PREFIX + "Realm=\"WeiYa Auth\"");
}

From source file:cn.shengyuan.yun.admin.system.controller.CommonController.java

@RequestMapping(value = "/captchaImage", method = RequestMethod.GET)
public String captchaImage(HttpServletRequest request, HttpServletResponse response) throws Exception {

    response.setDateHeader("Expires", 0);
    // Set standard HTTP/1.1 no-cache headers.
    response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    // Set IE extended HTTP/1.1 no-cache headers (use addHeader).
    response.addHeader("Cache-Control", "post-check=0, pre-check=0");
    // Set standard HTTP/1.0 no-cache header.
    response.setHeader("Pragma", "no-cache");
    // return a jpeg
    response.setContentType("image/jpeg");
    // create the text for the image
    String capText = captchaProducer.createText();
    // store the text in the session
    request.getSession().setAttribute(Constants.KAPTCHA_SESSION_KEY, capText);
    // create the image with the text
    BufferedImage bi = captchaProducer.createImage(capText);
    ServletOutputStream out = response.getOutputStream();
    // write the data out
    ImageIO.write(bi, "jpg", out);
    try {//from   w  w  w  .ja  v  a 2  s.co  m
        out.flush();
    } finally {
        out.close();
    }
    return null;

}

From source file:com.dangdang.ddframe.job.console.security.WwwAuthFilter.java

private void needAuthenticate(final HttpServletRequest request, final HttpServletResponse response) {
    response.setStatus(401);//from   w ww.j ava 2  s  .  c om
    response.setHeader("Cache-Control", "no-store");
    response.setDateHeader("Expires", 0);
    response.setHeader("WWW-authenticate", AUTH_PREFIX + "Realm=\"Elastic Job Console Auth\"");
}

From source file:org.rhq.enterprise.gui.legacy.util.RequestUtils.java

/**
 * When you really really want to defeat a browser's cache, expire the content and set the no-cache header
 *
 * @param expire set <i>true</i> to have the content expire immediately
 *//*  w  w w  . j  av  a  2s.co  m*/
public static void bustaCache(ServletRequest request, ServletResponse response, boolean expire) {
    if (!(response instanceof HttpServletResponse)) {
        return;
    }

    HttpServletResponse res = (HttpServletResponse) response;
    if (request.getProtocol().equalsIgnoreCase("HTTP/1.0")) {
        res.setHeader("Pragma", "no-cache");
    } else if (request.getProtocol().equalsIgnoreCase("HTTP/1.1")) {
        res.setHeader("Cache-Control", "no-cache");
    }

    if (expire) {
        Date now = new Date();
        res.setDateHeader("Date", now.getTime());
        res.setDateHeader("Expires", now.getTime() + 1000);
    }
}

From source file:org.apache.struts.chain.servlet.RequestNoCache.java

protected void requestNoCache(Context context) {

    ServletWebContext swcontext = (ServletWebContext) context;
    HttpServletResponse response = swcontext.getResponse();

    response.setHeader("Pragma", "No-cache");
    response.setHeader("Cache-Control", "no-cache,no-store,max-age=0");
    response.setDateHeader("Expires", 1);

}

From source file:net.gplatform.sudoor.server.captcha.model.CaptchaEngine.java

public void renderCapcha(HttpServletRequest request, HttpServletResponse response) throws Exception {
    // Set to expire far in the past.
    response.setDateHeader("Expires", 0);
    // Set standard HTTP/1.1 no-cache headers.
    response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    // Set IE extended HTTP/1.1 no-cache headers (use addHeader).
    response.addHeader("Cache-Control", "post-check=0, pre-check=0");
    // Set standard HTTP/1.0 no-cache header.
    response.setHeader("Pragma", "no-cache");

    // return a jpeg
    response.setContentType("image/jpeg");

    // create the text for the image
    String capText = captchaProducer.createText();

    // store the text in the session
    request.getSession().setAttribute(Constants.KAPTCHA_SESSION_KEY, capText);
    logger.debug("Save Captcha: {} in Session:{}", capText, request.getSession().getId());

    // create the image with the text
    BufferedImage bi = captchaProducer.createImage(capText);

    ServletOutputStream out = response.getOutputStream();

    // write the data out
    ImageIO.write(bi, "jpg", out);
    try {/*  w  w w .ja  va 2 s  .c  o m*/
        out.flush();
    } finally {
        out.close();
    }
}

From source file:edu.wisc.web.util.NoCacheHeaderFilter.java

@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
        FilterChain filterChain) throws ServletException, IOException {
    response.setHeader("Cache-Control", "no-cache, max-age=0, must-revalidate");
    response.setDateHeader("Expires", 0);
    filterChain.doFilter(request, response);
}

From source file:org.openmrs.module.logmanager.web.view.DocumentXmlView.java

@SuppressWarnings("rawtypes")
@Override/*from   w  ww.j  av  a2  s  . c  om*/
protected void renderMergedOutputModel(Map model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {

    // Disable caching
    response.setHeader("Pragma", "No-cache");
    response.setDateHeader("Expires", 0);
    response.setHeader("Cache-Control", "no-cache");

    // Get document and filename from model
    Document document = (Document) model.get(sourceKey);
    String filename = (String) model.get(filenameKey);

    if (document != null) {
        // Set response headers
        response.setContentType("text/xml");
        if (filename != null)
            response.setHeader("Content-Disposition", "attachment; filename=\"" + filename + "\"");

        // Write document XML to response stream
        LogManagerUtils.writeDocument(document, response.getWriter());
    } else
        response.getWriter().write("ERROR: Document is null");
}

From source file:org.openxdata.designer.server.FileOpenServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setHeader("Cache-Control", "no-cache");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", -1);
    response.setHeader("Cache-Control", "no-store");

    response.setContentType("text/xml; charset=utf-8");
    response.getOutputStream().print((String) request.getSession().getAttribute(KEY_FILE_CONTENTS));
}

From source file:org.zht.framework.filter.jcaptcha.JCaptchaFilter.java

/**
 * ???./*  w w  w . ja v a 2s. c  o m*/
 */
protected void genernateCaptchaImage(final HttpServletRequest request, final HttpServletResponse response)
        throws IOException {

    response.setDateHeader("Expires", 0);
    response.addHeader("Pragma", "no-cache");
    response.setHeader("Cache-Control", "no-cache");
    response.setContentType("image/jpeg");

    ServletOutputStream out = response.getOutputStream();
    try {
        String captchaId = request.getSession(true).getId();
        BufferedImage challenge = (BufferedImage) captchaService.getChallengeForID(captchaId,
                request.getLocale());
        ImageIO.write(challenge, "jpg", out);
        out.flush();
    } catch (CaptchaServiceException e) {
        logger.error(e.getMessage(), e);
    } finally {
        out.close();
    }
}