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:net.ymate.platform.webmvc.view.AbstractView.java

public IView addDateHeader(String name, long date) {
    HttpServletResponse _response = WebContext.getResponse();
    if (_response.containsHeader(name)) {
        _response.addDateHeader(name, date);
    } else {//from  w w  w.  jav  a2 s .  com
        _response.setDateHeader(name, date);
    }
    return this;
}

From source file:com.image32.demo.simpleapi.ContentHandler.java

private void httpHeaderNoCache(HttpServletResponse response) {
    response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0);
}

From source file:org.shredzone.cilla.view.AbstractView.java

/**
 * If the page is restricted and unlocked, send headers so public caches won't cache
 * the page, but private caches (user-agent) do.
 *
 * @param page//  www.j  ava 2s. c  o  m
 *            {@link Page} to check
 * @param req
 *            {@link HttpServletRequest} request to be checked
 * @param resp
 *            {@link HttpServletResponse} response to add headers to
 */
protected void addHeadersIfRestricted(Page page, HttpServletRequest req, HttpServletResponse resp) {
    if (page.isRestricted() && unlockService.isUnlocked(req.getSession(), page)) {
        // Page is restricted and unlocked
        resp.setDateHeader("Expires", 0L);
        resp.setHeader("Cache-Control", "s-max-age=0, private");
    }
}

From source file:no.kantega.publishing.admin.content.spellcheck.SpellcheckAction.java

private void setResponseValues(HttpServletResponse response) {
    response.setContentType("text/plain; charset=utf-8");
    response.setHeader("Cache-Control", "no-store, no-cache");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", System.currentTimeMillis());
}

From source file:org.codehaus.httpcache4j.VaryResourceServlet.java

protected void commonWrites(HttpServletResponse response, String output) throws IOException {
    response.setStatus(HttpServletResponse.SC_OK);
    response.setHeader(HttpHeaders.CACHE_CONTROL, "max-age=30000");
    Date date = new Date();
    response.setHeader(HttpHeaders.VARY, HttpHeaders.ACCEPT);
    response.setDateHeader(HttpHeaders.DATE, date.getTime());
    response.getWriter().write(output);//from  w  ww.jav  a 2 s  .  co m
    response.getWriter().close();
}

From source file:net.webpasswordsafe.server.report.JasperReportServlet.java

private void setNoCache(HttpServletResponse res) {
    res.setHeader("Pragma", "no-cache");
    res.setHeader("Cache-Control", "no-cache,no-store");
    res.setDateHeader("Expires", 0);
}

From source file:com.mirantis.cachemod.filter.CacheFilter.java

public void writeCacheToResponse(CacheEntry cacheEntry, ServletResponse response, boolean fragment)
        throws IOException {

    if (cacheEntry.getContentType() != null) {
        response.setContentType(cacheEntry.getContentType());
    }/*from  www . j ava2  s.c om*/

    if (!fragment) {

        if (response instanceof HttpServletResponse) {
            HttpServletResponse httpResponse = (HttpServletResponse) response;

            if (cacheEntry.getLastModified() != -1) {
                httpResponse.setDateHeader("Last-Modified", cacheEntry.getLastModified());
            }

            if (cacheEntry.getExpires() != Long.MAX_VALUE) {
                httpResponse.setDateHeader("Expires", cacheEntry.getExpires());
            }

            if (cacheEntry.getMaxAge() != -1) {
                if (cacheEntry.getMaxAge() < 0) { // set max-age based on life time
                    long currentMaxAge = -cacheEntry.getMaxAge() / 1000 - System.currentTimeMillis() / 1000;
                    if (currentMaxAge < 0) {
                        currentMaxAge = 0;
                    }
                    httpResponse.addHeader("Cache-Control", "max-age=" + currentMaxAge);
                } else {
                    httpResponse.addHeader("Cache-Control", "max-age=" + cacheEntry.getMaxAge());
                }
            }

        }
    }

    if (cacheEntry.getLocale() != null) {
        response.setLocale(cacheEntry.getLocale());
    }

    OutputStream out = new BufferedOutputStream(response.getOutputStream());
    response.setContentLength(cacheEntry.getContent().length);
    out.write(cacheEntry.getContent());
    out.flush();
}

From source file:org.eclipse.skalli.view.internal.filter.CacheFilter.java

@SuppressWarnings("nls")
@Override/*ww w .j  ava  2  s. co m*/
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    HttpServletRequest httpRequest = (HttpServletRequest) request;
    HttpServletResponse httpResponse = (HttpServletResponse) response;

    String requestURI = httpRequest.getRequestURI();
    String extension = FilenameUtils.getExtension(requestURI);
    if (cachedResources.contains(extension)) {
        if (maxAge != -1L) {
            httpResponse.setDateHeader("Expires", System.currentTimeMillis() + maxAge * 1000);
        }
        httpResponse.setHeader("Cache-Control",
                "public" + (maxAge != -1 ? ", maxAge=" + Long.toString(maxAge) : "") + ", must-revalidate");
    }
    chain.doFilter(request, response);
}

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

/**
 * @param httpReq//from  w  ww  .j  a  va  2s .  c  om
 * @param httpResp
 * @param mr
 */
public static void serveResource(HttpServletRequest httpReq, HttpServletResponse httpResp, MediaResource mr) {
    boolean debug = log.isDebug();

    try {
        Long lastModified = mr.getLastModified();
        if (lastModified != null) {
            // give browser a chance to cache images
            long ifModifiedSince = httpReq.getDateHeader("If-Modified-Since");
            // TODO: if no such header, what is the return value
            long lastMod = lastModified.longValue();
            if (ifModifiedSince >= (lastMod / 1000L) * 1000L) {
                httpResp.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
                return;
            }
            httpResp.setDateHeader("Last-Modified", lastModified.longValue());
        }

        if (isFlashPseudoStreaming(httpReq, mr)) {
            httpResp.setContentType("video/x-flv");
            pseudoStreamFlashResource(httpReq, httpResp, mr);
        } else {
            String mime = mr.getContentType();
            if (mime != null) {
                httpResp.setContentType(mime);
            }
            serveFullResource(httpReq, httpResp, mr);
        }

        // else there is no stream, but probably just headers
        // like e.g. in case of a 302 http-redirect
    } catch (Exception e) {
        if (debug) {
            log.warn("client browser abort when serving media resource", e);
        }
    } finally {
        try {
            mr.release();
        } catch (Exception e) {
            //we did our best here to clean up
        }
    }
}

From source file:elw.miniweb.ViewJackson.java

public void render(Map model, HttpServletRequest request, HttpServletResponse resp) throws Exception {
    resp.setContentType(getContentType() + "; charset=UTF-8");
    resp.setCharacterEncoding("UTF-8");

    resp.setHeader("Pragma", "no-cache");
    resp.setHeader("Cache-Control", "no-cache");
    resp.setDateHeader("Expires", System.currentTimeMillis());

    MAPPER.writeValue(resp.getWriter(), stateOrData);
}