Example usage for javax.servlet.http HttpServletResponse setDateHeader

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

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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:org.overlord.sramp.ui.server.ArtifactDownloadServlet.java

/**
 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 *///w ww .  j  a v a  2 s . c o m
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    HttpServletResponse httpResponse = resp;
    InputStream artifactContent = null;
    try {
        SrampAtomApiClient client = SrampAtomApiClient.getInstance();
        String uuid = req.getParameter("uuid");
        String type = req.getParameter("type");

        ArtifactType artyType = ArtifactType.valueOf(type);
        BaseArtifactType artifact = client.getArtifactMetaData(artyType, uuid);

        // Set the content-disposition
        String artifactName = artifact.getName();
        String disposition = String.format("attachment; filename=\"%1$s\"", artifactName);
        httpResponse.setHeader("Content-Disposition", disposition);

        // Set the content-type
        ArtifactContentTypeVisitor ctVizzy = new ArtifactContentTypeVisitor();
        ArtifactVisitorHelper.visitArtifact(ctVizzy, artifact);
        String contentType = ctVizzy.getContentType().toString();
        httpResponse.setHeader("Content-Type", contentType);

        // Set the content-size (if possible)
        if (artifact instanceof DocumentArtifactType) {
            DocumentArtifactType d = (DocumentArtifactType) artifact;
            long size = d.getContentSize();
            if (size != -1) {
                httpResponse.setHeader("Content-Size", String.valueOf(size));
            }
        }

        // Make sure the browser doesn't cache it
        Date now = new Date();
        httpResponse.setDateHeader("Date", now.getTime());
        httpResponse.setDateHeader("Expires", now.getTime() - 86400000L);
        httpResponse.setHeader("Pragma", "no-cache");
        httpResponse.setHeader("Cache-control", "no-cache, no-store, must-revalidate");

        artifactContent = client.getArtifactContent(artyType, uuid);
        IOUtils.copy(artifactContent, httpResponse.getOutputStream());
    } catch (Exception e) {
        // TODO throw sensible errors (http responses - 404, 500, etc)
        throw new ServletException(e);
    } finally {
        IOUtils.closeQuietly(artifactContent);
    }
}

From source file:nl.openweb.hippo.umd.ui.ResourceServlet.java

private void prepareResponse(HttpServletResponse response, URL resource, long lastModified, int contentLength)
        throws IOException {
    String resourcePath = resource.getPath();
    String mimeType = null;/*from w ww. ja  v  a2 s .co m*/

    int offset = resourcePath.lastIndexOf('.');
    if (-1 != offset) {
        String extension = resource.getPath().substring(offset);
        mimeType = mimeTypes.get(extension);
    }

    if (mimeType == null) {
        mimeType = getServletContext().getMimeType(resourcePath);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Fallback to the mimeType '{}' from servlet context for {}.", mimeType, resourcePath);
        }
    }

    if (mimeType == null) {
        if (LOG.isWarnEnabled()) {
            LOG.warn("No mime-type mapping for resource path: {}. Fallback to 'application/octet-stream'.",
                    resourcePath);
        }
        mimeType = "application/octet-stream";
    }

    response.setDateHeader(HTTP_LAST_MODIFIED_HEADER, lastModified);
    response.setContentLength(contentLength);
    response.setContentType(mimeType);

    if (cacheTimeout > 0) {
        // Http 1.0 header
        response.setDateHeader(HTTP_EXPIRES_HEADER, System.currentTimeMillis() + cacheTimeout * 1000L);
        // Http 1.1 header
        response.setHeader(HTTP_CACHE_CONTROL_HEADER, "max-age=" + cacheTimeout);
    } else {
        // Http 1.0 header
        response.setDateHeader(HTTP_EXPIRES_HEADER, -1);
        // Http 1.1 header
        response.setHeader(HTTP_CACHE_CONTROL_HEADER, "no-cache");
    }
}

From source file:org.openmrs.web.servlet.ShowGraphServlet.java

/**
 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
 *      javax.servlet.http.HttpServletResponse)
 *//* w  w  w  . j a  v  a 2  s .  c  o  m*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {
        JFreeChart chart = getChart(request);

        // get the height and width of the graph
        String widthString = request.getParameter("width");
        String heightString = request.getParameter("height");

        Integer width;
        Integer height;
        if (widthString != null && widthString.length() > 0) {
            width = Integer.parseInt(widthString);
        } else {
            width = 500;
        }
        if (heightString != null && heightString.length() > 0) {
            height = Integer.parseInt(heightString);
        } else {
            height = 300;
        }

        // get the requested mime type of the graph
        String mimeType = request.getParameter("mimeType");
        if (mimeType == null) {
            mimeType = PNG_MIME_TYPE;
        }

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

        // Write chart out to response as image
        try {
            if (JPG_MIME_TYPE.equalsIgnoreCase(mimeType)) {
                response.setContentType(JPG_MIME_TYPE);
                ChartUtilities.writeChartAsJPEG(response.getOutputStream(), chart, width, height);
            } else if (PNG_MIME_TYPE.equalsIgnoreCase(mimeType)) {
                response.setContentType(PNG_MIME_TYPE);
                ChartUtilities.writeChartAsPNG(response.getOutputStream(), chart, width, height);
            } else {
                throw new APIException("unsupported.mime.type", (Object[]) null);
            }
        } catch (IOException e) {
            // if its tomcat and the user simply navigated away from the page, don't throw an error
            if (e.getClass().getName().equals("org.apache.catalina.connector.ClientAbortException")) {
                // do nothing
            } else {
                log.error("Error class name: " + e.getClass().getName());
                log.error("Unable to write chart", e);
            }
        }
    }
    // Add error handling above and remove this try/catch
    catch (Exception e) {
        log.error("An unknown expected exception was thrown while rendering a graph", e);
    }
}

From source file:com.taobao.diamond.server.controller.ConfigController.java

public String getProbeModifyResult(HttpServletRequest request, HttpServletResponse response,
        String probeModify) {//w w  w  . j a v a2  s  . c  om
    response.setHeader("Content-Type", "text/html;charset=GBK");
    final String address = getRemortIP(request);
    if (address == null) {
        // 400
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        return "400";
    }

    if (GlobalCounter.getCounter().decrementAndGet() >= 0) {
        response.setStatus(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
        return "503";
    }

    final List<ConfigKey> configKeyList = getConfigKeyList(probeModify);

    StringBuilder resultBuilder = new StringBuilder();
    for (ConfigKey key : configKeyList) {
        String md5 = this.configService.getContentMD5(key.getDataId(), key.getGroup());
        if (!StringUtils.equals(md5, key.getMd5())) {
            resultBuilder.append(key.getDataId()).append(WORD_SEPARATOR).append(key.getGroup())
                    .append(LINE_SEPARATOR);
        }
    }

    String returnHeader = resultBuilder.toString();
    try {
        returnHeader = URLEncoder.encode(resultBuilder.toString(), "UTF-8");
    } catch (Exception e) {
        // ignore
    }

    request.setAttribute("content", returnHeader);
    // 
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0);
    response.setHeader("Cache-Control", "no-cache,no-store");
    return "200";
}

From source file:org.openmrs.module.feedback.web.FileDownloadServlet.java

protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {/* w w w  .j  a  v  a2s  . com*/
        if (Context.getAuthenticatedUser().isSuperUser() || Context.hasPrivilege("Admin Feedback")
                || Context.hasPrivilege("Add Feedback")) {
            String feedbackId = request.getParameter("feedbackId");
            Feedback feedback;

            feedback = new Feedback();

            User u = Context.getUserContext().getAuthenticatedUser();

            try {
                feedback = service.getFeedback(Integer.parseInt(feedbackId));
            } catch (Exception e) {
                log.error(e);
            }

            if (!"".equals(request.getParameter("feedbackId")) && (request.getParameter("feedbackId") != null)
                    && (service.getFeedback(Integer.parseInt(feedbackId)) != null)
                    && (u.isSuperUser() || Context.hasPrivilege("Admin Feedback")
                            || u.getUserId().equals(feedback.getCreator().getUserId()))) {
                feedback = service.getFeedback(Integer.parseInt(feedbackId));
                feedback = service.getFeedback(Integer.parseInt(feedbackId));

                byte[] attachment = feedback.getMessage();

                // Keeping these same as these are for the versionedfilemodule. Modify response to disable caching
                response.setHeader("Pragma", "No-cache");
                response.setDateHeader("Expires", 0);
                response.setHeader("Cache-Control", "no-cache");
                response.setContentLength(attachment.length);

                // response.setHeader("Content-Disposition", "attachment; filename=" + vf.getFullName().replace(" ", "_"));
                // Determine content type for response
                // String contentType = vf.getContentType() != null ? vf.getContentType() : defaultContentType;
                response.setContentType("images");
                response.getOutputStream().write(feedback.getMessage());
            } else if (!"".equals(request.getParameter("feedbackCommentId"))
                    && (request.getParameter("feedbackCommentId") != null) && (service.getFeedbackComment(
                            Integer.parseInt(request.getParameter("feedbackCommentId"))) != null)) {
                FeedbackComment feedbackComment = service
                        .getFeedbackComment(Integer.parseInt(request.getParameter("feedbackCommentId")));
                byte[] attachment = feedbackComment.getAttachment();

                // Keeping these same as these are for the versionedfilemodule. Modify response to disable caching
                response.setHeader("Pragma", "No-cache");
                response.setDateHeader("Expires", 0);
                response.setHeader("Cache-Control", "no-cache");
                response.setContentLength(attachment.length);

                // response.setHeader("Content-Disposition", "attachment; filename=" + vf.getFullName().replace(" ", "_"));
                // Determine content type for response
                // String contentType = vf.getContentType() != null ? vf.getContentType() : defaultContentType;
                response.setContentType("images");
                response.getOutputStream().write(feedbackComment.getAttachment());
            }
        }
    }

    // Add error handling above and remove this try/catch
    catch (Exception e) {
        log.error("unable to get file", e);
    }
}

From source file:cn.leancloud.diamond.server.controller.ConfigController.java

public String getProbeModifyResult(HttpServletRequest request, HttpServletResponse response,
        String probeModify) {/*  w ww  . j a  v a  2s . c  o m*/
    response.setHeader("Content-Type", "text/html;charset=UTF-8");
    final String address = getRemortIP(request);
    if (address == null) {
        // ?400
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        return "400";
    }

    if (GlobalCounter.getCounter().decrementAndGet() >= 0) {
        response.setStatus(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
        return "503";
    }

    final List<ConfigKey> configKeyList = getConfigKeyList(probeModify);

    StringBuilder resultBuilder = new StringBuilder();
    for (ConfigKey key : configKeyList) {
        String md5 = this.configService.getContentMD5(key.getDataId(), key.getGroup());
        if (!StringUtils.equals(md5, key.getMd5())) {
            resultBuilder.append(key.getDataId()).append(Constants.WORD_SEPARATOR).append(key.getGroup())
                    .append(Constants.LINE_SEPARATOR);
        }
    }

    String returnHeader = resultBuilder.toString();
    try {
        returnHeader = URLEncoder.encode(resultBuilder.toString(), "UTF-8");
    } catch (Exception e) {
        // ignore
    }

    request.setAttribute("content", returnHeader);
    // ?
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0);
    response.setHeader("Cache-Control", "no-cache,no-store");
    return "200";
}

From source file:no.sesat.search.http.filters.SiteLocatorFilter.java

/** Will redirect to correct (search-config) url for resources (css,images, javascript).
 *
 * @param request The servlet request we are processing
 * @param r The servlet response//from  w  ww  .  ja  va2 s.c o m
 * @param chain The filter chain we are processing
 *
 * @exception IOException if an input/output error occurs
 * @exception ServletException if a servlet error occurs
 */
@Override
public void doFilter(final ServletRequest request, final ServletResponse r, final FilterChain chain)
        throws IOException, ServletException {

    LOG.trace("doFilter(..)");

    final StopWatch stopWatch = new StopWatch();
    stopWatch.start();

    final ServletResponse response = r instanceof HttpServletResponse
            ? new AccessLogResponse((HttpServletResponse) r)
            : r;

    try {
        if (request instanceof HttpServletRequest) {
            final HttpServletRequest httpServletRequest = (HttpServletRequest) request;
            final HttpServletResponse httpServletResponse = (HttpServletResponse) response;
            if (httpServletRequest.getRequestURI().contains(CONFIGURATION_RESOURCE)) {
                /* We are looping, looking for a site search which does not exsist */
                LOG.info("We are looping, looking for a site search which does not exist");
                httpServletResponse.reset();
                httpServletResponse.setStatus(HttpServletResponse.SC_NOT_FOUND);
                return;
            }
        }

        doBeforeProcessing(request, response);
        logAccessRequest(request);

        if (request instanceof HttpServletRequest) {

            final HttpServletRequest req = (HttpServletRequest) request;
            final HttpServletResponse res = (HttpServletResponse) response;
            final Site site = (Site) req.getAttribute(Site.NAME_KEY);
            final String uri = req.getRequestURI();
            final String resource = uri;
            final String rscDir = resource != null && resource.indexOf('/', 1) >= 0
                    ? resource.substring(0, resource.indexOf('/', 1) + 1)
                    : null;

            if (isAccessAllowed(req)) {

                if (rscDir != null && EXTERNAL_DIRS.contains(rscDir)) {

                    // This URL does not belong to search-portal
                    final String url = FindResource.find(site, resource);

                    if (url != null) {
                        // Cache the client-resource redirects on a short (session-equivilant) period
                        res.setHeader("Cache-Control", "Public");
                        res.setDateHeader("Expires", System.currentTimeMillis() + 1000 * 60 * 10); // ten minutes
                        // send the redirect to where the resource really resides
                        res.sendRedirect(url);
                        LOG.trace(resource + DEBUG_REDIRECTING_TO + url);

                    } else if (resource.startsWith(PUBLISH_DIR)) {
                        // XXX Why do we avoid sending 404 for publish resources?

                        res.sendError(HttpServletResponse.SC_NOT_FOUND);

                        if (resource.endsWith(".css")) {
                            LOG.info(ERR_NOT_FOUND + resource);
                        } else {
                            LOG.error(ERR_NOT_FOUND + resource);
                        }
                    }

                } else {
                    doChainFilter(chain, request, response);
                }

            } else {
                // Forbidden client
                res.sendError(HttpServletResponse.SC_FORBIDDEN);
            }

        } else {
            doChainFilter(chain, request, response);
        }

        doAfterProcessing(request, response);

    } catch (Exception e) {
        // Don't let anything through without logging it.
        //  Otherwise it ends in a different logfile.
        LOG.error(ERR_UNCAUGHT_RUNTIME_EXCEPTION);
        for (Throwable t = e; t != null; t = t.getCause()) {
            LOG.error(t.getMessage(), t);
        }
        throw new ServletException(e);

    } finally {
        logAccessResponse(request, response, stopWatch);
    }

}

From source file:com.agiletec.apsadmin.system.dispatcher.Struts2ServletDispatcher.java

/**
 * Locate a static resource and copy directly to the response,
 * setting the appropriate caching headers. 
 *
 * @param name The resource name/*from   ww  w . j  a  v a 2 s  .co m*/
 * @param request The request
 * @param response The response
 * @throws IOException If anything goes wrong
 */
protected void findStaticResource(String name, HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    if (!name.endsWith(".class")) {
        for (String pathPrefix : pathPrefixes) {
            InputStream is = findInputStream(name, pathPrefix);
            if (is != null) {
                Calendar cal = Calendar.getInstance();

                // check for if-modified-since, prior to any other headers
                long ifModifiedSince = 0;
                try {
                    ifModifiedSince = request.getDateHeader("If-Modified-Since");
                } catch (Exception e) {
                    LOG.warn("Invalid If-Modified-Since header value: '"
                            + request.getHeader("If-Modified-Since") + "', ignoring");
                }
                long lastModifiedMillis = lastModifiedCal.getTimeInMillis();
                long now = cal.getTimeInMillis();
                cal.add(Calendar.DAY_OF_MONTH, 1);
                long expires = cal.getTimeInMillis();

                if (ifModifiedSince > 0 && ifModifiedSince <= lastModifiedMillis) {
                    // not modified, content is not sent - only basic headers and status SC_NOT_MODIFIED
                    response.setDateHeader("Expires", expires);
                    response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
                    is.close();
                    return;
                }

                // set the content-type header
                String contentType = getContentType(name);
                if (contentType != null) {
                    response.setContentType(contentType);
                }

                if (serveStaticBrowserCache) {
                    // set heading information for caching static content
                    response.setDateHeader("Date", now);
                    response.setDateHeader("Expires", expires);
                    response.setDateHeader("Retry-After", expires);
                    response.setHeader("Cache-Control", "public");
                    response.setDateHeader("Last-Modified", lastModifiedMillis);
                } else {
                    response.setHeader("Cache-Control", "no-cache");
                    response.setHeader("Pragma", "no-cache");
                    response.setHeader("Expires", "-1");
                }

                try {
                    copy(is, response.getOutputStream());
                } finally {
                    is.close();
                }
                return;
            }
        }
    }

    response.sendError(HttpServletResponse.SC_NOT_FOUND);
}

From source file:org.apache.karaf.services.mavenproxy.internal.MavenProxyServletTest.java

private void testDownload(Handler serverHandler) throws Exception {
    final String old = System.getProperty("karaf.data");
    System.setProperty("karaf.data", new File("target").getCanonicalPath());
    FileUtils.deleteDirectory(new File("target/tmp"));

    Server server = new Server(0);
    server.setHandler(serverHandler);//w  ww. j av a 2  s. c  o m
    server.start();

    try {
        int localPort = ((NetworkConnector) server.getConnectors()[0]).getLocalPort();
        // TODO: local repo should point to target/tmp
        MavenResolver resolver = createResolver("target/tmp", "http://relevant.not/maven2@id=central", "http",
                "localhost", localPort, "fuse", "fuse", null);
        MavenProxyServlet servlet = new MavenProxyServlet(resolver, 5, null, null, null);

        AsyncContext context = EasyMock.createMock(AsyncContext.class);

        HttpServletRequest request = EasyMock.createMock(HttpServletRequest.class);
        EasyMock.expect(request.getPathInfo())
                .andReturn("org.apache.camel/camel-core/2.13.0/camel-core-2.13.0-sources.jar");
        EasyMock.expect(request.startAsync()).andReturn(context);
        context.setTimeout(EasyMock.anyInt());
        EasyMock.expectLastCall();

        HttpServletResponse response = EasyMock.createMock(HttpServletResponse.class);
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        EasyMock.expect(response.getOutputStream()).andReturn(new ServletOutputStream() {
            @Override
            public void write(int b) throws IOException {
                baos.write(b);
            }

            @Override
            public void write(byte[] b, int off, int len) throws IOException {
                baos.write(b, off, len);
            }
        }).anyTimes();
        response.setStatus(EasyMock.anyInt());
        EasyMock.expectLastCall().anyTimes();
        response.setContentLength(EasyMock.anyInt());
        EasyMock.expectLastCall().anyTimes();
        response.setContentType((String) EasyMock.anyObject());
        EasyMock.expectLastCall().anyTimes();
        response.setDateHeader((String) EasyMock.anyObject(), EasyMock.anyLong());
        EasyMock.expectLastCall().anyTimes();
        response.setHeader((String) EasyMock.anyObject(), (String) EasyMock.anyObject());
        EasyMock.expectLastCall().anyTimes();

        final CountDownLatch latch = new CountDownLatch(1);
        context.complete();
        EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {
            @Override
            public Object answer() throws Throwable {
                latch.countDown();
                return null;
            }
        });

        EasyMock.makeThreadSafe(context, true);
        EasyMock.replay(request, response, context);

        servlet.init();
        servlet.doGet(request, response);

        latch.await();

        Assert.assertArrayEquals(new byte[] { 0x42 }, baos.toByteArray());

        EasyMock.verify(request, response, context);
    } finally {
        server.stop();
        if (old != null) {
            System.setProperty("karaf.data", old);
        }
    }
}

From source file:com.glaf.jbpm.web.springmvc.MxJbpmDeployController.java

@RequestMapping(value = "/deploy", method = RequestMethod.POST)
public ModelAndView deploy(HttpServletRequest request, HttpServletResponse response) {
    String archive = request.getParameter("archive");
    if (LogUtils.isDebug()) {
        logger.debug("deploying archive " + archive);
    }// w w w. j av a  2s  . c o  m

    MxJbpmProcessDeployer deployer = new MxJbpmProcessDeployer();

    byte[] bytes = null;
    JbpmContext jbpmContext = null;
    try {
        jbpmContext = ProcessContainer.getContainer().createJbpmContext();

        if (jbpmContext != null && jbpmContext.getSession() != null) {
            MultipartHttpServletRequest req = (MultipartHttpServletRequest) request;
            Map<String, MultipartFile> fileMap = req.getFileMap();
            Set<Entry<String, MultipartFile>> entrySet = fileMap.entrySet();
            for (Entry<String, MultipartFile> entry : entrySet) {
                MultipartFile mFile = entry.getValue();
                if (mFile.getOriginalFilename() != null && mFile.getSize() > 0) {
                    ProcessDefinition processDefinition = deployer.deploy(jbpmContext, mFile.getBytes());
                    bytes = processDefinition.getFileDefinition().getBytes("processimage.jpg");
                    response.setContentType("image/jpeg");
                    response.setHeader("Pragma", "No-cache");
                    response.setHeader("Expires", "-1");
                    response.setHeader("ICache-Control", "no-cache");
                    response.setDateHeader("Expires", 0L);
                    OutputStream out = response.getOutputStream();
                    out.write(bytes);
                    out.flush();
                    out.close();
                    bytes = null;
                    return null;
                }
            }
        }
    } catch (JbpmException ex) {
        if (jbpmContext != null) {
            jbpmContext.setRollbackOnly();
        }
        request.setAttribute("error_code", 9912);
        request.setAttribute("error_message", "");
        return new ModelAndView("/error");
    } catch (IOException ex) {
        if (jbpmContext != null) {
            jbpmContext.setRollbackOnly();
        }
        request.setAttribute("error_code", 9912);
        request.setAttribute("error_message", "");
        return new ModelAndView("/error");
    } finally {
        Context.close(jbpmContext);
        bytes = null;
    }
    return null;
}