Example usage for javax.servlet.http HttpServletResponse addDateHeader

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

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  6. addDateHeader

Introduction

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

Prototype

public void addDateHeader(String name, long date);

Source Link

Document

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

Usage

From source file:org.myjerry.util.ResponseUtil.java

public static final void setNoCache(HttpServletResponse response, boolean isHttp11) {
    if (isHttp11) {
        response.setHeader("Cache-Control", "no-cache");
    } else {// ww w  .j  ava2  s .  c  om
        response.setHeader("Pragma", "no-cache");
        response.addDateHeader("Expires", 0L);
        response.setHeader("Cache-Control", "no-store");
    }
}

From source file:org.craftercms.core.util.HttpServletUtils.java

public static void disableCaching(HttpServletResponse response) {
    response.addHeader(PRAGMA_HEADER_NAME, "no-cache");
    response.addHeader(CACHE_CONTROL_HEADER_NAME, "no-cache, no-store, max-age=0");
    response.addDateHeader(EXPIRES_HEADER_NAME, 1L);
}

From source file:de.yaio.services.plantuml.server.controller.PlantumProvider.java

protected void addHeaderForCache(HttpServletResponse response) {
    long today = System.currentTimeMillis();
    // Add http headers to force the browser to cache the image
    response.addDateHeader("Expires", today + 31536000000L);
    // today + 1 year
    response.addDateHeader("Last-Modified", 1261440000000L);
    // 2009 dec 22 constant date in the past
    response.addHeader("Cache-Control", "public");
}

From source file:cz.mzk.editor.server.ScanImgServiceImpl.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    resp.addDateHeader("Last-Modified", new Date().getTime());
    resp.addHeader("Cache-Control", "max-age=" + Constants.HTTP_CACHE_SECONDS);
    resp.addDateHeader("Expires", DateUtils.addMonths(new Date(), 1).getTime());
    boolean full = ClientUtils.toBoolean(req.getParameter(Constants.URL_PARAM_FULL));
    String topSpace = req.getParameter(Constants.URL_PARAM_TOP_SPACE);
    String urlHeight = req.getParameter(Constants.URL_PARAM_HEIGHT);

    String uuid = req.getParameter(Constants.URL_PARAM_UUID);

    if (uuid == null || "".equals(uuid)) {
        uuid = req.getRequestURI().substring(req.getRequestURI().indexOf(Constants.SERVLET_SCANS_PREFIX)
                + Constants.SERVLET_SCANS_PREFIX.length() + 1);
    }/*  www  .ja v a 2  s.  c  o  m*/

    StringBuffer baseUrl = new StringBuffer();
    baseUrl.append("http://");
    if (!URLS.LOCALHOST()) {
        baseUrl.append(req.getServerName());
    } else {
        String hostname = config.getHostname();
        if (hostname.contains("://")) {
            baseUrl.append(hostname.substring(hostname.indexOf("://") + "://".length()));
        } else {
            baseUrl.append(hostname);
        }
    }
    StringBuffer sb = new StringBuffer();
    if (topSpace != null) {
        String metadata = IOUtils.toString(new URL(baseUrl + DJATOKA_URL_GET_METADATA + uuid),
                StandardCharsets.UTF_8);

        String height = null;
        height = metadata.substring(metadata.indexOf("ght\": \"") + 7, metadata.indexOf("\",\n\"dw"));
        String width = metadata.substring(metadata.indexOf("dth\": \"") + 7, metadata.indexOf("\",\n\"he"));

        int intHeight = Integer.parseInt(height);
        int intUrlHeight = Integer.parseInt(urlHeight);
        int intTopSpace = Integer.parseInt(topSpace);
        boolean isLower = intTopSpace > 0 && ((intHeight - intUrlHeight) < intTopSpace);
        String region = (isLower ? intHeight - intUrlHeight : (intTopSpace < 0 ? 0 : topSpace)) + ",1,"
                + urlHeight + "," + width;

        sb.append(baseUrl.toString()).append(DJATOKA_URL_FULL_PAGE_DETAIL).append(uuid)
                .append(DJATOKA_URL_REGION).append(region);

    } else {
        sb.append(baseUrl.toString())
                .append(full ? DJATOKA_URL_FULL_IMG : DJATOKA_URL + urlHeight + DJATOKA_URL_SUFFIX)
                .append(uuid);
    }
    resp.setContentType("image/jpeg");
    resp.sendRedirect(resp.encodeRedirectURL(sb.toString()));
}

From source file:cz.fi.muni.xkremser.editor.server.ScanImgServiceImpl.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    resp.addDateHeader("Last-Modified", new Date().getTime());
    resp.addHeader("Cache-Control", "max-age=" + Constants.HTTP_CACHE_SECONDS);
    resp.addDateHeader("Expires", DateUtils.addMonths(new Date(), 1).getTime());
    boolean full = ClientUtils.toBoolean(req.getParameter(Constants.URL_PARAM_FULL));
    String topSpace = req.getParameter(Constants.URL_PARAM_TOP_SPACE);
    String urlHeight = req.getParameter(Constants.URL_PARAM_HEIGHT);

    String uuid = req.getParameter(Constants.URL_PARAM_UUID);

    if (uuid == null || "".equals(uuid)) {
        uuid = req.getRequestURI().substring(req.getRequestURI().indexOf(Constants.SERVLET_SCANS_PREFIX)
                + Constants.SERVLET_SCANS_PREFIX.length() + 1);
    }//from   w w  w  .ja va 2 s .com

    StringBuffer baseUrl = new StringBuffer();
    baseUrl.append("http");
    if (req.getProtocol().toLowerCase().contains("https")) {
        baseUrl.append('s');
    }
    baseUrl.append("://");
    if (!URLS.LOCALHOST()) {
        baseUrl.append(req.getServerName());
    } else {
        String hostname = config.getHostname();
        if (hostname.contains("://")) {
            baseUrl.append(hostname.substring(hostname.indexOf("://") + "://".length()));
        } else {
            baseUrl.append(hostname);
        }
    }
    StringBuffer sb = new StringBuffer();
    if (topSpace != null) {
        String metadata = RESTHelper.convertStreamToString(
                RESTHelper.get(baseUrl + DJATOKA_URL_GET_METADATA + uuid, null, null, true));
        String height = null;
        height = metadata.substring(metadata.indexOf("ght\": \"") + 7, metadata.indexOf("\",\n\"dw"));
        String width = metadata.substring(metadata.indexOf("dth\": \"") + 7, metadata.indexOf("\",\n\"he"));

        int intHeight = Integer.parseInt(height);
        int intUrlHeight = Integer.parseInt(urlHeight);
        int intTopSpace = Integer.parseInt(topSpace);
        boolean isLower = intTopSpace > 0 && ((intHeight - intUrlHeight) < intTopSpace);
        String region = (isLower ? intHeight - intUrlHeight : (intTopSpace < 0 ? 0 : topSpace)) + ",1,"
                + urlHeight + "," + width;

        sb.append(baseUrl.toString()).append(DJATOKA_URL_FULL_PAGE_DETAIL).append(uuid)
                .append(DJATOKA_URL_REGION).append(region);

    } else {
        sb.append(baseUrl.toString())
                .append(full ? DJATOKA_URL_FULL_IMG : DJATOKA_URL + urlHeight + DJATOKA_URL_SUFFIX)
                .append(uuid);
    }
    resp.setContentType("image/jpeg");
    resp.sendRedirect(resp.encodeRedirectURL(sb.toString()));
}

From source file:pl.maciejwalkowiak.plist.spring.PlistView.java

@Override
protected void prepareResponse(HttpServletRequest request, HttpServletResponse response) {
    response.setContentType(getContentType());
    response.setCharacterEncoding(ENCODING);
    if (this.disableCaching) {
        response.addHeader("Pragma", "no-cache");
        response.addHeader("Cache-Control", "no-cache, no-store, max-age=0");
        response.addDateHeader("Expires", 1L);
    }//from   ww w. j  a v  a 2  s .  com
}

From source file:org.fcrepo.http.api.ContentExposingResource.java

/**
 * Add ETag and Last-Modified cache control headers to the response
 * @param servletResponse the servlet response
 * @param resource the fedora resource/* w w  w  .j a  v  a2s . com*/
 * @param session the session
 */
protected static void addCacheControlHeaders(final HttpServletResponse servletResponse,
        final FedoraResource resource, final Session session) {

    final String txId = TransactionServiceImpl.getCurrentTransactionId(session);
    if (txId != null) {
        // Do not add caching headers if in a transaction
        return;
    }

    final FedoraResource mutableResource = resource instanceof NonRdfSourceDescription
            ? ((NonRdfSourceDescription) resource).getDescribedResource()
            : resource;
    final EntityTag etag = new EntityTag(mutableResource.getEtagValue());
    final Date date = mutableResource.getLastModifiedDate();

    if (!etag.getValue().isEmpty()) {
        servletResponse.addHeader("ETag", etag.toString());
    }

    if (date != null) {
        servletResponse.addDateHeader("Last-Modified", date.getTime());
    }
}

From source file:net.duckling.ddl.web.controller.file.BaseAttachController.java

private void sendNotModifiedHeader(int age, MetaInfo meta, HttpServletResponse res) {
    res.addDateHeader("Last-Modified", meta.lastUpdate.getTime());
    LOGGER.debug("?" + meta.docid);
    res.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
}

From source file:org.unitedinternet.cosmo.dav.impl.DavCard.java

public void writeHead(final HttpServletResponse response) throws IOException {
    Item content = (Item) getItem();/*from   w  w w. ja va  2s  .  c o  m*/
    final byte[] calendar = content.getCalendar().getBytes(StandardCharsets.UTF_8);

    response.setContentType(content.getMimetype());
    response.setContentLength(calendar.length);
    if (getModificationTime() >= 0) {
        response.addDateHeader(LAST_MODIFIED, getModificationTime());
    }
    if (getETag() != null) {
        response.setHeader(ETAG, getETag());
    }
}

From source file:cn.featherfly.web.spring.servlet.view.json.ObjectJacksonJsonView.java

@Override
protected void prepareResponse(HttpServletRequest request, HttpServletResponse response) {
    setResponseContentType(request, response);
    response.setCharacterEncoding(this.getEncoding().getJavaName());
    if (cacheExpires > 0) {
        response.addHeader("Cache-Control", "max-age=" + cacheExpires);
    } else {// www  .  j a  v a  2  s .c  o  m
        response.addHeader("Pragma", "no-cache");
        response.addHeader("Cache-Control", "no-cache, no-store, max-age=0");
        response.addDateHeader("Expires", 1L);
    }
}