Example usage for javax.servlet.http HttpServletResponse setDateHeader

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

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  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.impala.paga.all.QueryBanks.java

/**
 * //from w w w  . j ava 2s  . 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(QueryBanks.class.getName()).log(Level.SEVERE, null, ex);
    } catch (NoSuchAlgorithmException ex) {
        Logger.getLogger(QueryBanks.class.getName()).log(Level.SEVERE, null, ex);
    }
    out.flush();
    out.close();
}

From source file:com.impala.paga.all.QueryMobileOperators.java

/**
 * //  ww w.j  a v a2  s  .c  om
 * @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(QueryMobileOperators.class.getName()).log(Level.SEVERE, null, ex);
    } catch (NoSuchAlgorithmException ex) {
        Logger.getLogger(QueryMobileOperators.class.getName()).log(Level.SEVERE, null, ex);
    }
    out.flush();
    out.close();
}

From source file:org.openmrs.module.uiframework.ResourceServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    log.debug("In service method for module servlet: " + request.getPathInfo());

    File f = getFile(request);//from w  ww  .j  a  va  2s .com
    if (f == null) {
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
        return;
    }

    response.setDateHeader("Last-Modified", f.lastModified());
    response.setContentLength(new Long(f.length()).intValue());
    String mimeType = getServletContext().getMimeType(f.getName());
    response.setContentType(mimeType);

    FileInputStream is = new FileInputStream(f);
    try {
        OpenmrsUtil.copyFile(is, response.getOutputStream());
    } finally {
        OpenmrsUtil.closeStream(is);
    }
}

From source file:org.openmrs.module.web.ModuleResourcesServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    log.debug("In service method for module servlet: " + request.getPathInfo());

    File f = getFile(request);/*from  w  w  w .j  av a  2s  .com*/
    if (f == null) {
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
        return;
    }

    response.setDateHeader("Last-Modified", f.lastModified());
    response.setContentLength(Long.valueOf(f.length()).intValue());
    String mimeType = getServletContext().getMimeType(f.getName());
    response.setContentType(mimeType);

    FileInputStream is = new FileInputStream(f);
    try {
        OpenmrsUtil.copyFile(is, response.getOutputStream());
    } finally {
        OpenmrsUtil.closeStream(is);
    }
}

From source file:be.fedict.eid.applet.service.PhotoServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    LOG.debug("doGet");
    response.setContentType("image/jpg");
    response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate, max-age=-1"); // http 1.1
    response.setHeader("Pragma", "no-cache, no-store"); // http 1.0
    response.setDateHeader("Expires", -1);
    ServletOutputStream out = response.getOutputStream();
    HttpSession session = request.getSession();
    byte[] photoData = (byte[]) session.getAttribute(IdentityDataMessageHandler.PHOTO_SESSION_ATTRIBUTE);
    if (null != photoData) {
        BufferedImage photo = ImageIO.read(new ByteArrayInputStream(photoData));
        if (null == photo) {
            /*/*from   www. j a  va  2 s .c  om*/
             * In this case we render a photo containing some error message.
             */
            photo = new BufferedImage(140, 200, BufferedImage.TYPE_INT_RGB);
            Graphics2D graphics = (Graphics2D) photo.getGraphics();
            RenderingHints renderingHints = new RenderingHints(RenderingHints.KEY_TEXT_ANTIALIASING,
                    RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
            graphics.setRenderingHints(renderingHints);
            graphics.setColor(Color.WHITE);
            graphics.fillRect(1, 1, 140 - 1 - 1, 200 - 1 - 1);
            graphics.setColor(Color.RED);
            graphics.setFont(new Font("Dialog", Font.BOLD, 20));
            graphics.drawString("Photo Error", 0, 200 / 2);
            graphics.dispose();
            ImageIO.write(photo, "jpg", out);
        } else {
            out.write(photoData);
        }
    }
    out.close();
}

From source file:org.sigmah.server.servlet.filter.CacheFilter.java

/**
 * {@inheritDoc}//from  ww w  .java2 s. c  o  m
 */
@Override
public void doFilter(final ServletRequest request, final ServletResponse response,
        final FilterChain filterChain) throws IOException, ServletException {

    if (!(request instanceof HttpServletRequest) || !(response instanceof HttpServletResponse)) {
        // Just in case.
        filterChain.doFilter(request, response);
        return;
    }

    final HttpServletRequest httpRequest = (HttpServletRequest) request;
    final HttpServletResponse httpResponse = (HttpServletResponse) response;
    final String requestURI = httpRequest.getRequestURI();

    if (containsAny(requestURI, CACHE_FILTERS)) {
        // Cached resource.
        httpResponse.setDateHeader("Expires", new Date().getTime() + YEAR);

        // Control flag.
        httpResponse.setHeader(CUSTOM_HEADER_NAME, "Resource cached by Sigmah filter.");

    } else if (containsAny(requestURI, NO_CACHE_FILTERS)) {
        // Never cached resource.
        httpResponse.setDateHeader("Expires", 0);
        httpResponse.setHeader("Cache-Control", "no-cache, public, max-age=0, must-revalidate");

        // Set IE extended HTTP/1.1 no-cache headers (use addHeader).
        httpResponse.addHeader("Cache-Control", "post-check=0, pre-check=0");

        // Set standard HTTP/1.0 no-cache header.
        httpResponse.setHeader("Pragma", "no-cache");

        // Control flag.
        httpResponse.setHeader(CUSTOM_HEADER_NAME, "Resource NOT cached by Sigmah filter.");
    }

    // Define content-type for JSON files.
    if (requestURI.contains(".json")) {
        httpResponse.setContentType("application/json");
    }

    filterChain.doFilter(request, response);
}

From source file:com.google.reducisaurus.servlets.BaseServlet.java

private void maybeSetHttpCacheHeaders(HttpServletRequest req, HttpServletResponse resp) {
    long cachePolicy = getCachingPolicy(req, MAX_AGE_PARAM, DISABLE_MAX_AGE, DEFAULT_MAX_AGE_PARAM);
    if (cachePolicy != DISABLE_MAX_AGE) {
        resp.setDateHeader("Expires", new Date().getTime() + cachePolicy * 1000);
        resp.setHeader("Cache-Control", "max-age=" + cachePolicy);
    }//from   www  .j av a  2  s.c  om
}

From source file:com.gitblit.servlet.PtServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {//  w  w  w .  ja  v  a  2 s.  c o  m
        response.setContentType("application/octet-stream");
        response.setDateHeader("Last-Modified", lastModified);
        response.setHeader("Cache-Control", "none");
        response.setHeader("Pragma", "no-cache");
        response.setDateHeader("Expires", 0);

        boolean windows = false;
        try {
            String useragent = request.getHeader("user-agent").toString();
            windows = useragent.toLowerCase().contains("windows");
        } catch (Exception e) {
        }

        byte[] pyBytes;
        File file = runtimeManager.getFileOrFolder("tickets.pt", "${baseFolder}/pt.py");
        if (file.exists()) {
            // custom script
            pyBytes = readAll(new FileInputStream(file));
        } else {
            // default script
            pyBytes = readAll(getClass().getResourceAsStream("/pt.py"));
        }

        if (windows) {
            // windows: download zip file with pt.py and pt.cmd
            response.setHeader("Content-Disposition", "attachment; filename=\"pt.zip\"");

            OutputStream os = response.getOutputStream();
            ZipArchiveOutputStream zos = new ZipArchiveOutputStream(os);

            // add the Python script
            ZipArchiveEntry pyEntry = new ZipArchiveEntry("pt.py");
            pyEntry.setSize(pyBytes.length);
            pyEntry.setUnixMode(FileMode.EXECUTABLE_FILE.getBits());
            pyEntry.setTime(lastModified);
            zos.putArchiveEntry(pyEntry);
            zos.write(pyBytes);
            zos.closeArchiveEntry();

            // add a Python launch cmd file
            byte[] cmdBytes = readAll(getClass().getResourceAsStream("/pt.cmd"));
            ZipArchiveEntry cmdEntry = new ZipArchiveEntry("pt.cmd");
            cmdEntry.setSize(cmdBytes.length);
            cmdEntry.setUnixMode(FileMode.REGULAR_FILE.getBits());
            cmdEntry.setTime(lastModified);
            zos.putArchiveEntry(cmdEntry);
            zos.write(cmdBytes);
            zos.closeArchiveEntry();

            // add a brief readme
            byte[] txtBytes = readAll(getClass().getResourceAsStream("/pt.txt"));
            ZipArchiveEntry txtEntry = new ZipArchiveEntry("readme.txt");
            txtEntry.setSize(txtBytes.length);
            txtEntry.setUnixMode(FileMode.REGULAR_FILE.getBits());
            txtEntry.setTime(lastModified);
            zos.putArchiveEntry(txtEntry);
            zos.write(txtBytes);
            zos.closeArchiveEntry();

            // cleanup
            zos.finish();
            zos.close();
            os.flush();
        } else {
            // unix: download a tar.gz file with pt.py set with execute permissions
            response.setHeader("Content-Disposition", "attachment; filename=\"pt.tar.gz\"");

            OutputStream os = response.getOutputStream();
            CompressorOutputStream cos = new CompressorStreamFactory()
                    .createCompressorOutputStream(CompressorStreamFactory.GZIP, os);
            TarArchiveOutputStream tos = new TarArchiveOutputStream(cos);
            tos.setAddPaxHeadersForNonAsciiNames(true);
            tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_POSIX);

            // add the Python script
            TarArchiveEntry pyEntry = new TarArchiveEntry("pt");
            pyEntry.setMode(FileMode.EXECUTABLE_FILE.getBits());
            pyEntry.setModTime(lastModified);
            pyEntry.setSize(pyBytes.length);
            tos.putArchiveEntry(pyEntry);
            tos.write(pyBytes);
            tos.closeArchiveEntry();

            // add a brief readme
            byte[] txtBytes = readAll(getClass().getResourceAsStream("/pt.txt"));
            TarArchiveEntry txtEntry = new TarArchiveEntry("README");
            txtEntry.setMode(FileMode.REGULAR_FILE.getBits());
            txtEntry.setModTime(lastModified);
            txtEntry.setSize(txtBytes.length);
            tos.putArchiveEntry(txtEntry);
            tos.write(txtBytes);
            tos.closeArchiveEntry();

            // cleanup
            tos.finish();
            tos.close();
            cos.close();
            os.flush();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:org.rhq.enterprise.gui.client.RemoteClientServlet.java

private void getVersion(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    try {/*from www.  jav a 2 s.  co m*/
        File versionFile = getVersionFile();
        resp.setContentType("text/plain");
        resp.setDateHeader("Last-Modified", versionFile.lastModified());

        FileInputStream stream = new FileInputStream(versionFile);
        byte[] versionData = StreamUtil.slurp(stream);
        resp.getOutputStream().write(versionData);
    } catch (Throwable t) {
        log.error("Failed to stream version info.", t);
        disableBrowserCache(resp);
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Failed to stream version info");
    }

    return;
}

From source file:fr.littlereddot.pocket.site.controller.account.ConnectAccountController.java

private void setNoCache(NativeWebRequest request) {
    HttpServletResponse response = request.getNativeResponse(HttpServletResponse.class);
    if (response != null) {
        response.setHeader("Pragma", "no-cache");
        response.setDateHeader("Expires", 1L);
        response.setHeader("Cache-Control", "no-cache");
        response.addHeader("Cache-Control", "no-store");
    }//  ww w  .  j  av a2s .co m
}