Example usage for javax.servlet.http HttpServletResponse setDateHeader

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

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  4. javax.servlet.http.*
  5. HttpServletResponse
  6. 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.ewcms.component.comment.web.CounterServlet.java

private void initResponseHeader(final HttpServletResponse response, final String encoding) {
    response.setHeader("Content-Language", "zh-CN");
    String fullContentType = JSON_TYPE + ";charset=" + encoding;
    response.setContentType(fullContentType);
    //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");
}

From source file:com.lcw.one.modules.sys.web.LoginController.java

/**
 * ?//from www .  j  a  v a  2  s  . c  o m
 */
@RequestMapping(value = "/validateCode", method = RequestMethod.GET)
public void validateCode(HttpServletRequest request, HttpServletResponse response) {
    ValidateCodeInterface validateCode = new EnCharValidateCode();
    try {
        response.setHeader("Pragma", "no-cache");
        response.setHeader("Cache-Control", "no-cache");
        response.setDateHeader("Expires", 0);
        response.setContentType("image/jpeg");
        String code = validateCode.generate(80, 28, response.getOutputStream());
        request.getSession().setAttribute("ValidateCode", code);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:org.jboss.datavirt.commons.ui.header.DataVirtHeaderDataJS.java

/**
 * Make sure to tell the browser not to cache it.
 *
 * @param response//w  w  w .  ja  v  a2 s . co m
 */
private void noCache(HttpServletResponse response) {
    Date now = new Date();
    response.setDateHeader("Date", now.getTime());
    // one day old
    response.setDateHeader("Expires", now.getTime() - 86400000L);
    response.setHeader("Pragma", "no-cache");
    response.setHeader("Cache-control", "no-cache, no-store, must-revalidate");
}

From source file:com.music.web.MusicController.java

private void setNotCacheable(HttpServletResponse response) {
    response.setHeader("Pragma", "no-cache");
    // HTTP 1.0 header
    response.setDateHeader("Expires", 1L);
    // HTTP 1.1 header: "no-cache" is the standard value,
    // "no-store" is necessary to prevent caching on FireFox.
    response.setHeader("Cache-Control", "no-cache");
    response.addHeader("Cache-Control", "no-store");
}

From source file:com.portal.security.controller.JCaptchaController.java

public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
    String captchaId = request.getSession().getId();
    BufferedImage challenge = captchaService.getImageChallengeForID(captchaId, request.getLocale());

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

    ImageIO.write(challenge, "jpeg", response.getOutputStream());

    /*//from w  ww.  j a va2s . c om
     * byte[] captchaChallengeAsJpeg = null; ByteArrayOutputStream jpegOutputStream = new
     * ByteArrayOutputStream();
     * 
     * JPEGImageEncoder jpegEncoder = JPEGCodec.createJPEGEncoder(jpegOutputStream);
     * jpegEncoder.encode(challenge);
     * 
     * captchaChallengeAsJpeg = jpegOutputStream.toByteArray(); ServletOutputStream
     * responseOutputStream = response.getOutputStream();
     * 
     * responseOutputStream.write(captchaChallengeAsJpeg); responseOutputStream.flush();
     * responseOutputStream.close();
     */
    return null;
}

From source file:org.jasig.portal.security.mvc.LoginController.java

/**
 * Process the incoming HttpServletRequest
 * @param request//from w w w.  j av a  2  s .c o m
 * @param response
 * @exception ServletException
 * @exception IOException
 */
@RequestMapping
public void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setHeader("Pragma", "no-cache");
    response.setHeader("Cache-Control", "no-cache");
    response.setDateHeader("Expires", 0);

    // create the redirect URL, adding fname and args parameters if necessary
    String redirectTarget = null;

    final String refUrl = request.getParameter(REFERER_URL_PARAM);
    if (refUrl != null) {
        if (refUrl.startsWith("/")) {
            redirectTarget = refUrl;
        } else {
            log.warn("Refernce URL passed in does not start with a / and will be ignored: " + refUrl);
        }
    }

    if (redirectTarget == null) {
        /* Grab the target functional name, if any, off the login request.
         * Also any arguments for the target
         * We will pass them  along after authentication.
         */
        String targetFname = request.getParameter("uP_fname");

        if (targetFname == null) {
            final IPortalUrlBuilder defaultUrl = this.portalUrlProvider.getDefaultUrl(request);
            redirectTarget = defaultUrl.getUrlString();
        } else {
            try {
                final IPortalUrlBuilder urlBuilder = this.portalUrlProvider
                        .getPortalUrlBuilderByPortletFName(request, targetFname, UrlType.RENDER);

                @SuppressWarnings("unchecked")
                Enumeration<String> e = request.getParameterNames();
                while (e.hasMoreElements()) {
                    String paramName = e.nextElement();
                    if (!paramName.equals("uP_fname")) {
                        urlBuilder.addParameter(paramName, request.getParameterValues(paramName));
                    }
                }

                redirectTarget = urlBuilder.getUrlString();
            } catch (IllegalArgumentException e) {
                final IPortalUrlBuilder defaultUrl = this.portalUrlProvider.getDefaultUrl(request);
                redirectTarget = defaultUrl.getUrlString();
            }
        }
    }

    IPerson person = null;

    final Object authError = request.getSession(false).getAttribute(LoginController.AUTH_ERROR_KEY);
    if (authError == null || !((Boolean) authError)) {
        person = this.personManager.getPerson(request);
    }

    if (person == null || !person.getSecurityContext().isAuthenticated()) {
        if (request.getMethod().equals("POST"))
            request.getSession(false).setAttribute(AUTH_ATTEMPTED_KEY, "true");
        // Preserve the attempted username so it can be redisplayed to the user by CLogin
        String attemptedUserName = request.getParameter("userName");
        if (attemptedUserName != null)
            request.getSession(false).setAttribute(ATTEMPTED_USERNAME_KEY, request.getParameter("userName"));
    }

    final String encodedRedirectURL = response.encodeRedirectURL(redirectTarget);
    response.sendRedirect(encodedRedirectURL);

}

From source file:com.buession.cas.web.controller.CaptchaController.java

@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    response.setContentType("image/jpg");
    response.setHeader("Pragma", "no-cache");
    response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    response.setDateHeader("Expires", 0);

    String text = producer.createText();
    captchaService.add(request, text);/*  ww w. j a v  a2s  .c o  m*/

    BufferedImage im = producer.createImage(text);
    ServletOutputStream out = response.getOutputStream();
    ImageIO.write(im, "jpg", out);

    try {
        out.flush();
    } finally {
        out.close();
    }

    return null;
}

From source file:org.overlord.commons.ui.header.OverlordHeaderDataJS.java

/**
 * Make sure to tell the browser not to cache it.
 *
 * @param response/*from   w  w w  .j a v a 2 s  .co m*/
 */
private void noCache(HttpServletResponse response) {
    Date now = new Date();
    response.setDateHeader("Date", now.getTime()); //$NON-NLS-1$
    // one day old
    response.setDateHeader("Expires", now.getTime() - 86400000L); //$NON-NLS-1$
    response.setHeader("Pragma", "no-cache"); //$NON-NLS-1$ //$NON-NLS-2$
    response.setHeader("Cache-control", "no-cache, no-store, must-revalidate"); //$NON-NLS-1$ //$NON-NLS-2$
}

From source file:com.ewcms.component.counter.web.CounterServlet.java

private void initResponseHeader(final HttpServletResponse response, final String encoding) {
    response.setHeader("Content-Language", "zh-CN");
    String fullContentType = JS_TYPE + ";charset=" + encoding;
    response.setContentType(fullContentType);
    //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");
}

From source file:com.impala.servlet.Balance.java

/**
 * /*w w w . j a v  a  2  s  . c o  m*/
 * @param request
 * @param response
 * @throws ServletException
 *             , IOException
 */
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    OutputStream out = response.getOutputStream();

    response.setContentType("text/plain;charset=UTF-8");
    response.setDateHeader("Expires", new Date().getTime()); // Expiration
    // date
    response.setDateHeader("Date", new Date().getTime()); // Date and time
    try {
        // that the
        // message was
        // sent
        out.write(moneytransfer(request).getBytes());
    } catch (JSONException ex) {
        Logger.getLogger(Remit.class.getName()).log(Level.SEVERE, null, ex);
    }
    out.flush();
    out.close();
}