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:irille.pub.verify.RandomImageServlet.java

/**
 * ????HTTP?/*from  w ww  .  j  a v a  2 s . c  om*/
 */
protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    boolean gif_enabled = support(req, "image/gif") || !support(req, "image/png");
    HttpSession ssn = req.getSession(true);
    String randomString = random();
    ssn.setAttribute(RANDOM_LOGIN_KEY, randomString);
    res.setContentType(gif_enabled ? "image/gif" : "image/png");
    res.setHeader("Pragma", "No-cache");
    res.setHeader("Cache-Control", "no-cache");
    res.setDateHeader("Expires", 0);
    render(randomString, gif_enabled, res.getOutputStream());
}

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From source file:com.netflix.spinnaker.gate.ratelimit.RateLimitingInterceptor.java

@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
        ModelAndView modelAndView) throws Exception {
    // Hystrix et-al can return 429's, which we'll want to intercept to provide a reset header
    if (response.getStatus() == 429 && !response.getHeaderNames().contains(Rate.RESET_HEADER)) {
        response.setIntHeader(Rate.CAPACITY_HEADER, -1);
        response.setIntHeader(Rate.REMAINING_HEADER, 0);
        response.setDateHeader(Rate.RESET_HEADER, ZonedDateTime.now().plusSeconds(5).toEpochSecond());
        response.setHeader(Rate.LEARNING_HEADER, "false");
    }//from  w w w . j  av  a2s.  c  om
}

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From source file:org.apache.qpid.server.management.plugin.servlet.rest.SaslServlet.java

protected void doGetWithSubjectAndActor(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("application/json");
    response.setStatus(HttpServletResponse.SC_OK);

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

    HttpSession session = request.getSession();
    getRandom(session);/*from  www .  jav  a  2s .c  o m*/

    SubjectCreator subjectCreator = getSubjectCreator(request);
    String[] mechanisms = subjectCreator.getMechanisms().split(" ");
    Map<String, Object> outputObject = new LinkedHashMap<String, Object>();

    final Subject subject = getAuthorisedSubjectFromSession(session);
    if (subject != null) {
        Principal principal = AuthenticatedPrincipal.getAuthenticatedPrincipalFromSubject(subject);
        outputObject.put("user", principal.getName());
    } else if (request.getRemoteUser() != null) {
        outputObject.put("user", request.getRemoteUser());
    }

    outputObject.put("mechanisms", (Object) mechanisms);

    final PrintWriter writer = response.getWriter();

    ObjectMapper mapper = new ObjectMapper();
    mapper.configure(SerializationConfig.Feature.INDENT_OUTPUT, true);
    mapper.writeValue(writer, outputObject);

}

---

From source file:org.openiot.gsn.http.ContainerInfoHandler.java

public void handle(HttpServletRequest request, HttpServletResponse response) throws IOException {
    response.setStatus(HttpServletResponse.SC_OK);
    String reqName = request.getParameter("name");

    //Added by Behnaz
    HttpSession session = request.getSession();
    User user = (User) session.getAttribute("user");

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

    response.getWriter().write(buildOutput(reqName, user));
}

---

From source file:org.extremecomponents.table.filter.AbstractExportFilter.java

protected void setResponseHeaders(HttpServletResponse response, String exportFileName) {
    String mimeType = MimeUtils.getFileMimeType(exportFileName);
    if (StringUtils.isNotBlank(mimeType)) {
        response.setContentType(mimeType);
    }/*w  w  w.  j  a  va 2s .c  o m*/

    response.setHeader("Content-Disposition", "attachment;filename=\"" + exportFileName + "\"");
    response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
    response.setHeader("Pragma", "public");
    response.setDateHeader("Expires", (System.currentTimeMillis() + 1000));
}

---

From source file:com.data2semantics.yasgui.server.servlets.AppCacheServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String strongName = getPermutationFromCookies(request.getCookies());

    if (strongName != null && strongName.length() > 0) {
        boolean getCount = request.getParameterMap().keySet().contains("count");

        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Pragma", "no-cache");
        response.setDateHeader("Expires", new Date().getTime());

        String moduleDir = getServletContext().getRealPath("/Yasgui/");
        String appcacheFile = moduleDir + "/" + strongName;
        if (fetchManifestForDev(request)) {
            appcacheFile += ".dev";
        }//from w  w w  .jav  a2  s  . com
        appcacheFile += ".appcache";
        String manifestString = IOUtils.toString(new FileReader(appcacheFile));

        PrintWriter out = response.getWriter();
        if (getCount) {
            out.println(Integer.toString(getCacheCount(manifestString)));
        } else {
            response.setContentType("text/cache-manifest");
            out.println(manifestString);

        }
        out.close();
    }

}

---

From source file:com.liusoft.dlog4j.servlet.DLOG_RandomImageServlet.java

/**
 * ????HTTP?/*from   ww w . ja  v  a2 s . c  om*/
 */
protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    boolean gif_enabled = RequestUtils.support(req, "image/gif") || !RequestUtils.support(req, "image/png");
    HttpSession ssn = req.getSession(true);
    String randomString = random();
    ssn.setAttribute(Globals.RANDOM_LOGIN_KEY, randomString);
    res.setContentType(gif_enabled ? "image/gif" : "image/png");
    res.setHeader("Pragma", "No-cache");
    res.setHeader("Cache-Control", "no-cache");
    res.setDateHeader("Expires", 0);
    render(randomString, gif_enabled, res.getOutputStream());
}

---

From source file:com.manydesigns.portofino.pageactions.chart.ChartAction.java

public Resolution chart() throws FileNotFoundException {
    final File file = RandomUtil.getTempCodeFile(CHART_FILENAME_FORMAT, chartId);
    if (!file.exists()) {
        return new ErrorResolution(404);
    }//ww  w  .j a v  a 2 s.  co  m
    final InputStream inputStream = new FileInputStream(file);

    // Cache the file, expire after 12h
    int expiresAfter = 12 * 60 * 60 * 1000;
    long now = System.currentTimeMillis();
    HttpServletResponse response = context.getResponse();
    response.setHeader("Cache-Control", "max-age=" + expiresAfter);
    response.setDateHeader("Last-Modified", now);
    response.setDateHeader("Expires", now + expiresAfter);
    response.setHeader("Pragma", "");

    return new StreamingResolution("image/png", inputStream) {
        @Override
        protected void stream(HttpServletResponse response) throws Exception {
            super.stream(response);
            if (!file.delete()) {
                logger.warn("Could not delete temporary file for chart: " + file.getAbsolutePath());
            }
        }
    };
}

---

From source file:be.fedict.eid.dss.webapp.DocumentViewerServlet.java

private void setResponseHeaders(HttpServletRequest request, HttpServletResponse response) {

    response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate, max-age=-1"); // http
    // 1.1/*  w  w w  .  ja v  a  2 s.  c o m*/
    if (!request.getScheme().equals("https")) {
        // else the download fails in IE
        response.setHeader("Pragma", "no-cache"); // http 1.0
    } else {
        response.setHeader("Pragma", "public");
    }
    response.setDateHeader("Expires", -1);

}

---

From source file:de.itsvs.cwtrpc.controller.CacheControlFilter.java

protected void addHeaders(HttpServletResponse response, PreparedCacheControlUriConfig uriConfig) {
    final Long expiresValue;

    expiresValue = getExpiresValue(uriConfig.getExpires());

    if (uriConfig.getCacheControl() != null) {
        response.setHeader("Cache-Control", uriConfig.getCacheControl());
    }//  w  w  w  .  j a v a 2s . c  o  m
    if (expiresValue != null) {
        response.setDateHeader("Expires", expiresValue);
    }
    if (uriConfig.isPragmaNoCache()) {
        response.setHeader("Pragma", "no-cache");
    }
}

---

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