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:br.on.daed.services.filters.CacheControlFilter.java

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

    HttpServletResponse resp = (HttpServletResponse) response;
    resp.setHeader("Expires", "Tue, 03 Jul 2001 06:00:00 GMT");
    resp.setDateHeader("Last-Modified", new Date().getTime());
    resp.setHeader("Cache-Control",
            "no-store, no-cache, must-revalidate, max-age=0, post-check=0, pre-check=0");
    resp.setHeader("Pragma", "no-cache");

    chain.doFilter(request, response);/*  ww  w .  j  ava  2 s.com*/
}

From source file:com.fanya.p2p.front.user.jcaptcha.JCaptchaFilter.java

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

    response.setDateHeader("Expires", 0L);
    response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    response.addHeader("Cache-Control", "post-check=0, pre-check=0");
    response.setHeader("Pragma", "no-cache");
    response.setContentType("image/jpeg");

    String id = request.getRequestedSessionId();
    BufferedImage bi = JCaptcha.captchaService.getImageChallengeForID(id);

    ServletOutputStream out = response.getOutputStream();

    ImageIO.write(bi, "jpg", out);
    try {//ww  w .  j a  va  2 s.c  o  m
        out.flush();
    } finally {
        out.close();
    }
}

From source file:com.ace.erp.filter.jcaptcha.JCaptchaFilter.java

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

    response.setDateHeader("Expires", 0L);
    response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    response.addHeader("Cache-Control", "post-check=0, pre-check=0");
    response.setHeader("Pragma", "no-cache");
    response.setContentType("image/jpeg");

    ServletOutputStream out = response.getOutputStream();

    try {//from w w w. j  a v  a 2s  .c o m
        String id = request.getSession(true).getId();
        //String id = request.getRequestedSessionId();
        BufferedImage bi = JCaptcha.captchaService.getImageChallengeForID(id);

        ImageIO.write(bi, "jpg", out);
        out.flush();
    } finally {
        out.close();
    }
}

From source file:org.fishwife.jrugged.spring.StatusController.java

private void setCachingHeaders(HttpServletResponse resp) {
    long now = System.currentTimeMillis();
    resp.setDateHeader("Date", now);
    resp.setDateHeader("Expires", now);
    resp.setHeader("Cache-Control", "no-cache");
}

From source file:org.jasig.cas.web.flow.AbstractLogoutAction.java

/**
 * Prevent caching by adding the appropriate headers.
 * Copied from the <code>preventCaching</code> method in the {@link WebContentGenerator} class.
 *
 * @param response the HTTP response.//from ww w . j a va2 s.c  o m
 */
protected final void preventCaching(final HttpServletResponse response) {
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 1L);
    response.setHeader("Cache-Control", "no-cache");
    response.addHeader("Cache-Control", "no-store");
}

From source file:de.itsvs.cwtrpc.security.AbstractRpcSuccessHandler.java

protected void addNoCacheResponseHeaders(HttpServletRequest request, HttpServletResponse response) {
    response.setHeader("Cache-Control", "no-cache, no-store");
    response.setDateHeader("Expires", -1L);
    response.setHeader("Pragma", "no-cache");
}

From source file:jp.co.opentone.bsol.linkbinder.view.servlet.WebResourceServlet.java

protected void setHeader(HttpServletResponse response, String path) {
    response.setDateHeader("Last-Modified", System.currentTimeMillis());

    Calendar expires = Calendar.getInstance();
    expires.add(Calendar.DAY_OF_YEAR, 7);
    response.setDateHeader("Expires", expires.getTimeInMillis());

    //12 hours: 43200 = 60s * 60 * 12
    response.setHeader("Cache-Control", "max-age=43200");
    response.setHeader("Pragma", "");

    String contentType = getContentType(path);
    if (StringUtils.isNotEmpty(contentType)) {
        response.setContentType(contentType);
    }/*from   www .  j  ava 2  s.co m*/
}

From source file:org.apache.myfaces.custom.skin.webapp.CachingStyleSheetLoader.java

/**
 * Output http headers telling the browser (and possibly intermediate caches) how
 * to cache this data./* w w w .  j av a  2 s .  co m*/
 * <p>
 * The expiry time in this header info is set to 7 days. This is not a problem as
 * the overall URI contains a "cache key" that changes whenever the webapp is
 * redeployed (see AddResource.getCacheKey), meaning that all browsers will
 * effectively reload files on webapp redeploy.
 */
protected void defineCaching(HttpServletRequest request, HttpServletResponse response, long lastModified) {
    response.setDateHeader("Last-Modified", lastModified);

    Calendar expires = Calendar.getInstance();
    expires.add(Calendar.DAY_OF_YEAR, 7);
    response.setDateHeader("Expires", expires.getTimeInMillis());

    //12 hours: 43200 = 60s * 60 * 12
    response.setHeader("Cache-Control", "max-age=43200");
    response.setHeader("Pragma", "");
}

From source file:org.olat.core.gui.media.ServletUtil.java

public static void setStringResourceHeaders(HttpServletResponse response) {
    // we ignore the accept-charset from the request and always write in utf-8
    // -> see comment below
    response.setContentType("text/html;charset=utf-8");
    // never allow to cache pages since they contain a timestamp valid only once
    // HTTP 1.1/*www.  ja v a  2 s  .co  m*/
    response.setHeader("Cache-Control",
            "private, no-cache, no-store, must-revalidate, proxy-revalidate, s-maxage=0, max-age=0");
    // HTTP 1.0
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0);
}

From source file:com.cloudseal.spring.client.namespace.CloudSealLogoutImageFilter.java

protected void preventCaching(HttpServletResponse response) {
    Date now = new Date();
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Date", now.getTime());
    response.setDateHeader("Expires", now.getTime() - 86400000L); // one day old   
    response.setHeader("Cache-Control", "no-cache");
    response.addHeader("Cache-Control", "no-store");
    response.addHeader("Cache-Control", "must-revalidate");
}