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:csiro.pidsvc.servlet.info.java

/**
 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
 *     response)//from   w  ww . j  a  v a  2  s.  c o m
 */
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setDateHeader("Expires", 0);
    response.addHeader("Cache-Control",
            "no-cache,no-store,private,must-revalidate,max-stale=0,post-check=0,pre-check=0");

    String cmd = request.getParameter("cmd");
    if (cmd == null || cmd.isEmpty())
        return;

    ManagerJson mgr = null;
    JSONObject ret;
    try {
        Settings.init(this);
        mgr = new ManagerJson(request);

        response.setContentType("application/json");

        _logger.info("Processing \"{}\" command -> {}?{}", cmd, request.getRequestURL(),
                request.getQueryString());
        if (cmd.equalsIgnoreCase("search")) {
            int page = 1;
            String sPage = request.getParameter("page");
            if (sPage != null && sPage.matches("\\d+"))
                page = Integer.parseInt(sPage);

            ret = mgr.getMappings(page, request.getParameter("mapping"), request.getParameter("type"),
                    request.getParameter("creator"), Literals.toInt(request.getParameter("deprecated"), 0));
            response.getWriter().write(ret == null ? null : ret.toString());
        } else if (cmd.equalsIgnoreCase("get_pid_config")) {
            int mappingId = Literals.toInt(request.getParameter("mapping_id"), -1);
            String mappingPath = request.getParameter("mapping_path");

            ret = mappingId > 0 ? mgr.getPidConfig(mappingId)
                    : (mappingId == 0 ? mgr.getPidConfig((String) null) : mgr.getPidConfig(mappingPath));
            response.getWriter().write(ret == null ? null : ret.toString());
        } else if (cmd.equalsIgnoreCase("check_mapping_path_exists")) {
            response.getWriter()
                    .write(mgr.checkMappingPathExists(request.getParameter("mapping_path")).toString());
        } else if (cmd.equalsIgnoreCase("search_parent")) {
            int mappingId = Literals.toInt(request.getParameter("mapping_id"), -1);
            response.getWriter()
                    .write(mgr.searchParentMapping(mappingId, request.getParameter("q")).toString());
        } else if (cmd.equalsIgnoreCase("get_settings"))
            response.getWriter().write(mgr.getSettings().toString());
        else if (cmd.equalsIgnoreCase("search_condition_set")) {
            int page = 1;
            String sPage = request.getParameter("page");
            if (sPage != null && sPage.matches("\\d+"))
                page = Integer.parseInt(sPage);

            ret = mgr.getConditionSets(page, request.getParameter("q"));
            response.getWriter().write(ret == null ? null : ret.toString());
        } else if (cmd.equalsIgnoreCase("get_condition_set_config")) {
            String name = request.getParameter("name");
            ret = mgr.getConditionSetConfig(name);
            response.getWriter().write(ret == null ? null : ret.toString());
        } else if (cmd.equalsIgnoreCase("search_lookup")) {
            int page = 1;
            String sPage = request.getParameter("page");
            if (sPage != null && sPage.matches("\\d+"))
                page = Integer.parseInt(sPage);

            ret = mgr.getLookups(page, request.getParameter("ns"));
            response.getWriter().write(ret == null ? null : ret.toString());
        } else if (cmd.equalsIgnoreCase("get_lookup_config")) {
            String ns = request.getParameter("ns");
            ret = mgr.getLookupConfig(ns);
            response.getWriter().write(ret == null ? null : ret.toString());
        } else if (cmd.equalsIgnoreCase("get_manifest")) {
            response.getWriter().write(Settings.getInstance().getManifestJson().toString());
        } else if (cmd.equalsIgnoreCase("is_new_version_available")) {
            response.getWriter().write(Settings.getInstance().isNewVersionAvailableJson().toString());
        } else if (cmd.equalsIgnoreCase("global_js")) {
            response.setContentType("text/javascript");
            response.getWriter()
                    .write("var GlobalSettings = " + mgr.getGlobalSettings(request).toString() + ";");
        } else if (cmd.equalsIgnoreCase("chart")) {
            ret = mgr.getChart();
            response.getWriter().write(ret == null ? null : ret.toString());
        } else if (cmd.equalsIgnoreCase("get_mapping_dependencies")) {
            int mappingId = Literals.toInt(request.getParameter("mapping_id"), -1);
            String mappingPath = request.getParameter("mapping_path");
            String inputJson = request.getParameter("json");
            JSONObject jsonThis = (JSONObject) (new JSONParser()).parse(inputJson);

            if (mappingPath != null && mappingPath.isEmpty())
                mappingPath = null;
            if (jsonThis != null && jsonThis.isEmpty())
                jsonThis = null;
            ret = mgr.getMappingDependencies((Object) (jsonThis == null ? mappingId : jsonThis), mappingPath);
            response.getWriter()
                    .write(mappingId == -1 && jsonThis == null || ret == null ? "{}" : ret.toString());
        } else if (cmd.equalsIgnoreCase("echo")) {
            echo(request, response);
        }
    } catch (Exception e) {
        _logger.error(e);
        Http.returnErrorCode(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e);
    } finally {
        if (mgr != null)
            mgr.close();
    }
}

From source file:cn.zhuqi.mavenssh.web.servlet.ShowPic.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from w w w.  j  a v a 2  s  . c  om*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setHeader("Pragma", "No-cache");// ?????
    response.setHeader("Cache-Control", "no-cache");
    response.setDateHeader("Expire", 0);
    // ?Application
    ServletContext application = this.getServletContext();
    String sid = request.getParameter("id");
    ApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(application);

    // ?spring IOC
    userService = (IUserService) ctx.getBean(IUserService.class);
    User user = userService.findById(Integer.valueOf(sid));
    String imgFile = user.getPicurl();
    response.setContentType(application.getMimeType(imgFile));

    FTPClientTemplate ftpClient = new FTPClientTemplate(ip, 21, username, pwd);
    ServletOutputStream sos = response.getOutputStream();
    try {
        ftpClient.get(attachment + "/" + imgFile, sos);
    } catch (Exception ex) {
    }
}

From source file:org.apache.myfaces.renderkit.html.util.MyFacesResourceLoader.java

/**
 * Output http headers telling the browser (and possibly intermediate caches) how
 * to cache this data.//from   w  ww . ja  va 2s  .c  om
 * <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, String resource,
        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.openmrs.module.usagestatistics.web.view.chart.AbstractChartView.java

/**
 * @see org.springframework.web.servlet.view.AbstractView
 *//*from  w  w  w.j a  v a 2  s.  co m*/
@Override
@SuppressWarnings("unchecked")
protected void renderMergedOutputModel(Map model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    // Respond as a PNG image
    response.setContentType("image/png");

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

    int width = ServletRequestUtils.getIntParameter(request, "width", 500);
    int height = ServletRequestUtils.getIntParameter(request, "height", 300);

    from = (Date) model.get("from");
    until = (Date) model.get("until");
    untilInclusive = (Date) model.get("untilInclusive");
    usageFilter = (ActionCriteria) model.get("usageFilter");
    location = (Location) model.get("location");

    JFreeChart chart = createChart(model, request);
    chart.setBackgroundPaint(Color.WHITE);
    chart.getPlot().setOutlineStroke(new BasicStroke(0));
    chart.getPlot().setOutlinePaint(getBackgroundColor());
    chart.getPlot().setBackgroundPaint(getBackgroundColor());

    ChartUtilities.writeChartAsPNG(response.getOutputStream(), chart, width, height);
}

From source file:org.openmrs.module.usagestatistics668.web.view.chart.AbstractChartView.java

/**
 * @see org.springframework.web.servlet.view.AbstractView
 *//*from   w w w.  j  a  v a 2 s .  c  om*/
@Override
@SuppressWarnings("unchecked")
protected void renderMergedOutputModel(Map model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    // Respond as a PNG image
    response.setContentType("image/png");

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

    int width = ServletRequestUtils.getIntParameter(request, "width", 500);
    int height = ServletRequestUtils.getIntParameter(request, "height", 300);

    from = (Date) model.get("from");
    System.out.println(from);
    maxResults = (Integer) model.get("maxResults");
    until = (Date) model.get("until");
    untilInclusive = (Date) model.get("untilInclusive");
    usageFilter = (ActionCriteria) model.get("usageFilter");

    JFreeChart chart = createChart(model, request);
    chart.setBackgroundPaint(Color.WHITE);
    chart.getPlot().setOutlineStroke(new BasicStroke(0));
    chart.getPlot().setOutlinePaint(getBackgroundColor());
    chart.getPlot().setBackgroundPaint(getBackgroundColor());

    ChartUtilities.writeChartAsPNG(response.getOutputStream(), chart, width, height);
}

From source file:com.octo.captcha.module.web.image.ImageToJpegHelper.java

/**
 * retrieve a new ImageCaptcha using ImageCaptchaService and flush it to the response.<br/> Captcha are localized
 * using request locale.<br/>/*from  w ww  .j  a v a2 s.c om*/
 * <p/>
 * This method returns a 404 to the client instead of the image if the request isn't correct (missing parameters,
 * etc...)..<br/> The log may be null.<br/>
 *
 * @param theRequest  the request
 * @param theResponse the response
 * @param log         a commons logger
 * @param service     an ImageCaptchaService instance
 *
 * @throws java.io.IOException if a problem occurs during the jpeg generation process
 */
public static void flushNewCaptchaToResponse(HttpServletRequest theRequest, HttpServletResponse theResponse,
        Log log, ImageCaptchaService service, String id, Locale locale) throws IOException {

    // call the ImageCaptchaService method to retrieve a captcha
    byte[] captchaChallengeAsJpeg = null;
    ByteArrayOutputStream jpegOutputStream = new ByteArrayOutputStream();
    try {
        BufferedImage challenge = service.getImageChallengeForID(id, locale);
        // the output stream to render the captcha image as jpeg into

        ImageIO.write(challenge, "jpg", jpegOutputStream);

    } catch (IllegalArgumentException e) {
        //    log a security warning and return a 404...
        if (log != null && log.isWarnEnabled()) {
            log.warn("There was a try from " + theRequest.getRemoteAddr()
                    + " to render an captcha with invalid ID :'" + id + "' or with a too long one");
            theResponse.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
    }

    captchaChallengeAsJpeg = jpegOutputStream.toByteArray();

    // render the captcha challenge as a JPEG image in the response
    theResponse.setHeader("Cache-Control", "no-store");
    theResponse.setHeader("Pragma", "no-cache");
    theResponse.setDateHeader("Expires", 0);

    theResponse.setContentType("image/jpeg");
    ServletOutputStream responseOutputStream = theResponse.getOutputStream();
    responseOutputStream.write(captchaChallengeAsJpeg);
    responseOutputStream.flush();
    responseOutputStream.close();
}

From source file:org.nuxeo.ecm.webengine.servlet.ResourceServlet.java

protected void service(HttpServletRequest req, HttpServletResponse resp, Module module, String path)
        throws IOException {

    ScriptFile file = module.getSkinResource(path);
    if (file != null) {
        long lastModified = file.lastModified();
        resp.setDateHeader("Last-Modified:", lastModified);
        resp.addHeader("Cache-Control", "public");
        resp.addHeader("Server", "Nuxeo/WebEngine-1.0");

        String mimeType = engine.getMimeType(file.getExtension());
        if (mimeType == null) {
            mimeType = "text/plain";
        }// w  w  w .  j a v a 2s .  c o  m
        resp.setContentType(mimeType);
        if (mimeType.startsWith("text/")) {
            sendTextContent(file, resp);
        } else {
            sendBinaryContent(file, resp);
        }
        return;
    }
    resp.sendError(404);
}

From source file:com.google.code.jcaptcha4struts2.core.actions.support.CaptchaImageResult.java

/**
 * Action Execution Result. This will write the image bytes to response stream.
 * /*  w  w  w  .  j a  v  a2 s. c  om*/
 * @param invocation
 *            ActionInvocation
 * @throws IOException
 *             if an IOException occurs while writing the image to output stream.
 * @throws IllegalArgumentException
 *             if the action invocation was done by an action which is not the
 *             {@link JCaptchaImageAction}.
 */
public void execute(ActionInvocation invocation) throws IOException, IllegalArgumentException {

    // Check if the invoked action was JCaptchaImageAction
    if (!(invocation.getAction() instanceof JCaptchaImageAction)) {
        throw new IllegalArgumentException(
                "CaptchaImageResult expects JCaptchaImageAction as Action Invocation");
    }

    JCaptchaImageAction action = (JCaptchaImageAction) invocation.getAction();
    HttpServletResponse response = ServletActionContext.getResponse();

    // Read captcha image bytes
    byte[] image = action.getCaptchaImage();

    // Send response
    response.setHeader("Cache-Control", "no-store");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0);
    response.setContentType("image/jpeg");
    response.setContentLength(image.length);
    try {
        response.getOutputStream().write(image);
        response.getOutputStream().flush();
    } catch (IOException e) {
        LOG.error("IOException while writing image response for action : " + e.getMessage(), e);
        throw e;
    }
}

From source file:csiro.pidsvc.servlet.controller.java

/**
 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
 *     response)/*from   w w w  .  j  ava 2  s .  c  o m*/
 */
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setDateHeader("Expires", 0);
    response.addHeader("Cache-Control",
            "no-cache,no-store,private,must-revalidate,max-stale=0,post-check=0,pre-check=0");

    String cmd = request.getParameter("cmd");
    if (cmd == null || cmd.isEmpty())
        return;

    ManagerJson mgr = null;
    try {
        mgr = new ManagerJson();

        _logger.info("Processing \"{}\" command -> {}?{}.", cmd, request.getRequestURL(),
                request.getQueryString());
        if (cmd.matches("(?i)^(?:full|partial)_export$")) {
            int mappingId = Literals.toInt(request.getParameter("mapping_id"), -1);
            String mappingPath = request.getParameter("mapping_path");
            String outputFormat = request.getParameter("format");
            String serializedConfig = mappingId > 0 ? mgr.exportMapping(mappingId)
                    : (mappingId == 0 ? mgr.exportCatchAllMapping(cmd.startsWith("full"))
                            : mgr.exportMapping(mappingPath, cmd.startsWith("full")));

            // Check output format.
            outputFormat = outputFormat != null && outputFormat.matches("(?i)^xml$") ? "xml" : "psb";

            returnAttachment(response,
                    "mapping." + (cmd.startsWith("full") ? "full" : "partial") + "."
                            + _sdfBackupStamp.format(new Date()) + "." + outputFormat,
                    outputFormat, serializedConfig);
        } else if (cmd.matches("(?i)^(?:full|partial)_backup$")) {
            String includeDeprecated = request.getParameter("deprecated");
            String includeConditionSets = request.getParameter("conditionsets");
            String includeLookupMaps = request.getParameter("lookup");
            String outputFormat = request.getParameter("format");
            String serializedConfig = mgr.backupDataStore(cmd.startsWith("full"),
                    includeDeprecated != null && includeDeprecated.equalsIgnoreCase("true"),
                    includeConditionSets == null || includeConditionSets.equalsIgnoreCase("true"),
                    includeLookupMaps == null || includeLookupMaps.equalsIgnoreCase("true"));

            // Check output format.
            outputFormat = outputFormat != null && outputFormat.matches("(?i)^xml$") ? "xml" : "psb";

            returnAttachment(response,
                    "backup." + (cmd.startsWith("full") ? "full" : "partial") + "."
                            + _sdfBackupStamp.format(new Date()) + "." + outputFormat,
                    outputFormat, serializedConfig);
        } else if (cmd.matches("(?i)export_lookup$")) {
            String ns = request.getParameter("ns");
            String outputFormat = request.getParameter("format");
            String serializedConfig = mgr.exportLookup(ns);

            // Check output format.
            outputFormat = outputFormat != null && outputFormat.matches("(?i)^xml$") ? "xml" : "psl";

            returnAttachment(response, "lookup." + (ns == null ? "backup." : "")
                    + _sdfBackupStamp.format(new Date()) + "." + outputFormat, outputFormat, serializedConfig);
        } else if (cmd.matches("(?i)export_condition_set$")) {
            String name = request.getParameter("name");
            String outputFormat = request.getParameter("format");
            String serializedConfig = mgr.exportConditionSet(name);

            // Check output format.
            outputFormat = outputFormat != null && outputFormat.matches("(?i)^xml$") ? "xml" : "psb";

            returnAttachment(
                    response, "conditionSet." + (name == null ? "backup." : "")
                            + _sdfBackupStamp.format(new Date()) + "." + outputFormat,
                    outputFormat, serializedConfig);
        }
    } catch (Exception e) {
        _logger.error(e);
        Http.returnErrorCode(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e);
    } finally {
        if (mgr != null)
            mgr.close();
    }
}

From source file:org.openmrs.module.usagestatistics.web.view.csv.AbstractCSVView.java

/**
 * @see org.springframework.web.servlet.view.AbstractView
 *///from   w  w  w .  j  a v  a  2 s . co m
@Override
@SuppressWarnings("unchecked")
protected void renderMergedOutputModel(Map model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    // Respond as a CSV file
    response.setContentType("text/csv");
    response.setHeader("Content-Disposition", "attachment; filename=\"" + getFilename(model) + "\"");

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

    // Write data
    writeValues(model, response.getWriter());
}