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.haulmont.cuba.restapi.RestFileDownloadController.java

@RequestMapping(value = "/api/download", method = RequestMethod.GET)
public ModelAndView download(HttpServletRequest request, HttpServletResponse response) throws IOException {
    UserSession userSession = getSession(request, response);
    if (userSession == null) {
        error(response);/*from  w  ww.java 2 s. c o  m*/
        return null;
    }

    AppContext.setSecurityContext(new SecurityContext(userSession));
    try {
        UUID fileId;
        try {
            fileId = UUID.fromString(request.getParameter("f"));
        } catch (Exception e) {
            log.error(e.toString());
            error(response);
            return null;
        }

        FileDescriptor fd = dataService.load(new LoadContext<>(FileDescriptor.class).setId(fileId));
        if (fd == null) {
            log.warn("Unable to find file with id " + fileId);
            error(response);
            return null;
        }

        String fileName = URLEncodeUtils.encodeUtf8(fd.getName());

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

        boolean attach = Boolean.valueOf(request.getParameter("a"));
        response.setHeader("Content-Disposition",
                (attach ? "attachment" : "inline") + "; filename=" + fileName);

        writeResponse(response, userSession, fd);

    } finally {
        AppContext.setSecurityContext(null);
    }
    return null;
}

From source file:org.shredzone.commons.gravatar.GravatarCacheServlet.java

@Override
protected void doService(HttpServletRequest req, HttpServletResponse resp) throws Exception {
    Matcher m = HASH_PATTERN.matcher(req.getPathInfo());
    if (!m.matches()) {
        resp.sendError(HttpServletResponse.SC_NOT_FOUND);
        return;//from  www  .j  a va2 s.com
    }

    String hash = m.group(1);

    GravatarService gs = getWebApplicationContext().getBean("gravatarService", GravatarService.class);
    File gravatarFile = gs.fetchGravatar(hash);

    long modifiedSinceTs = -1;
    try {
        modifiedSinceTs = req.getDateHeader("If-Modified-Since");
    } catch (IllegalArgumentException ex) {
        // As stated in RFC2616 Sec. 14.25, an invalid date will just be ignored.
    }

    if (modifiedSinceTs >= 0 && (modifiedSinceTs / 1000L) == (gravatarFile.lastModified() / 1000L)) {
        // The image has not been modified since last request
        resp.sendError(HttpServletResponse.SC_NOT_MODIFIED);
        return;
    }

    long size = gravatarFile.length();
    if (size > 0 && size <= Integer.MAX_VALUE) {
        // Cast to int is safe
        resp.setContentLength((int) size);
    }

    resp.setContentType("image/png");
    resp.setDateHeader("Date", System.currentTimeMillis());
    resp.setDateHeader("Last-Modified", gravatarFile.lastModified());

    try (InputStream in = new FileInputStream(gravatarFile)) {
        FileCopyUtils.copy(in, resp.getOutputStream());
    }
}

From source file:org.ecside.filter.ECSideFilter.java

 public void setResponseHeaders(HttpServletRequest request,
      HttpServletResponse response, String exportFileName) {
   String mimeType = MimeUtils.getFileMimeType(exportFileName);
   // response.reset();
   if (StringUtils.isNotBlank(mimeType)) {
      response.setContentType(mimeType);
   }/*from w ww.j av  a2 s .  co  m*/
   // response.setHeader("Content-Type",mimeType);
   try {
      exportFileName = RequestUtils.encodeFileName(request,
            exportFileName);

   } catch (UnsupportedEncodingException e) {
      String errorMessage = "Unsupported response.getCharacterEncoding() ["
            + "UTF-8" + "].";
      LogHandler.errorLog(logger,
            "TDExportFilter.setResponseHeaders() - " + errorMessage);
   }
   // ec:
   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:org.nuxeo.ecm.core.io.download.DownloadServiceImpl.java

/**
 * Internet Explorer file downloads over SSL do not work with certain HTTP cache control headers
 * <p>//w  w  w  .  j  a va 2 s. c  om
 * See http://support.microsoft.com/kb/323308/
 * <p>
 * What is not mentioned in the above Knowledge Base is that "Pragma: no-cache" also breaks download in MSIE over
 * SSL
 */
protected void addCacheControlHeaders(HttpServletRequest request, HttpServletResponse response) {
    String userAgent = request.getHeader("User-Agent");
    boolean secure = request.isSecure();
    if (!secure) {
        String nvh = request.getHeader(NUXEO_VIRTUAL_HOST);
        if (nvh == null) {
            nvh = Framework.getProperty(VH_PARAM);
        }
        if (nvh != null) {
            secure = nvh.startsWith("https");
        }
    }
    String cacheControl;
    if (userAgent != null && userAgent.contains("MSIE") && (secure || forceNoCacheOnMSIE())) {
        cacheControl = "max-age=15, must-revalidate";
    } else {
        cacheControl = "private, must-revalidate";
        response.setHeader("Pragma", "no-cache");
        response.setDateHeader("Expires", 0);
    }
    log.debug("Setting Cache-Control: " + cacheControl);
    response.setHeader("Cache-Control", cacheControl);
}

From source file:org.apache.struts.action.RequestProcessor.java

/**
 * <p>Set the no-cache headers for all responses, if requested.
 * <strong>NOTE</strong> - This header will be overridden automatically if
 * a <code>RequestDispatcher.forward</code> call is ultimately
 * invoked.</p>/*from   w w  w .  j av  a 2  s  .co m*/
 *
 * @param request  The servlet request we are processing
 * @param response The servlet response we are creating
 */
protected void processNoCache(HttpServletRequest request, HttpServletResponse response) {
    if (moduleConfig.getControllerConfig().getNocache()) {
        response.setHeader("Pragma", "No-cache");
        response.setHeader("Cache-Control", "no-cache,no-store,max-age=0");
        response.setDateHeader("Expires", 1);
    }
}

From source file:io.fabric8.maven.impl.MavenProxyServletSupportTest.java

private void testDownload(Handler serverHandler) throws Exception {
    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 w w .j a  v a2 s.c  om*/
    server.start();

    try {
        int localPort = server.getConnectors()[0].getLocalPort();
        List<String> remoteRepos = Arrays.asList("http://relevant.not/maven2@id=central");
        RuntimeProperties props = new MockRuntimeProperties();
        MavenDownloadProxyServlet servlet = new MavenDownloadProxyServlet(props, "target/tmp", remoteRepos,
                false, "always", "warn", "http", "localhost", localPort, "fuse", "fuse", null);

        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");

        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();

        EasyMock.replay(request, response);

        servlet.start();
        servlet.doGet(request, response);
        Assert.assertArrayEquals(new byte[] { 0x42 }, baos.toByteArray());

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

From source file:nl.armatiek.xslweb.web.filter.WebAppFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    HttpServletRequest req = (HttpServletRequest) request;
    HttpServletResponse resp = (HttpServletResponse) response;
    String path = StringUtils.defaultString(req.getPathInfo()) + req.getServletPath();
    WebApp webApp = getWebApp(request);//from  www .j  a va 2  s. c om
    if (webApp == null) {
        resp.setStatus(HttpServletResponse.SC_NOT_FOUND);
    } else if (webApp.isClosed()) {
        resp.setStatus(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
    } else {
        req.setAttribute(Definitions.ATTRNAME_WEBAPP, webApp);
        Resource resource = webApp.matchesResource(webApp.getRelativePath(path));
        if (resource == null) {
            chain.doFilter(request, response);
        } else {
            resp.setContentType(resource.getMediaType());
            File file = webApp.getStaticFile(path);
            if (!file.isFile()) {
                resp.sendError(HttpServletResponse.SC_NOT_FOUND);
            } else {
                Date currentDate = new Date();
                long now = currentDate.getTime();
                long duration = resource.getDuration().getTimeInMillis(currentDate);
                resp.addHeader("Cache-Control", "max-age=" + duration / 1000);
                resp.setDateHeader("Expires", now + duration);
                FileUtils.copyFile(file, resp.getOutputStream());
            }
        }
    }
}

From source file:com.orange.api.atmosdav.AtmosDavServlet.java

/**
 * Handles the special WebDAV methods./*from   w  w w .  java  2 s  . c o m*/
 */
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setHeader("Cache-Control", "no-cache"); //HTTP 1.1
    resp.setHeader("Pragma", "no-cache"); //HTTP 1.0
    resp.setDateHeader("Expires", 0); //prevents caching at the proxy server

    String method = req.getMethod();

    try {
        if (method.equals(METHOD_PROPFIND)) {
            doPropfind(req, resp);
        } else if (method.equals(METHOD_GET)) {
            doGet(req, resp);
        } else if (method.equals(METHOD_HEAD)) {
            doHead(req, resp);
        } else if (method.equals(METHOD_PUT)) {
            doPut(req, resp);
        } else if (method.equals(METHOD_PROPPATCH)) {
            doProppatch(req, resp);
        } else if (method.equals(METHOD_MKCOL)) {
            doMkcol(req, resp);
        } else if (method.equals(METHOD_COPY)) {
            doCopy(req, resp);
        } else if (method.equals(METHOD_MOVE)) {
            doMove(req, resp);
        } else if (method.equals(METHOD_LOCK)) {
            doLock(req, resp);
        } else if (method.equals(METHOD_UNLOCK)) {
            doUnlock(req, resp);
        } else if (method.equals(METHOD_POST)) {
            doPost(req, resp);
        } else if (method.equals(METHOD_DELETE)) {
            doDelete(req, resp);
        } else if (method.equals(METHOD_OPTIONS)) {
            doOptions(req, resp);
        } else if (method.equals(METHOD_TRACE)) {
            doTrace(req, resp);
        } else {
            resp.sendError(HttpServletResponse.SC_NOT_IMPLEMENTED);
        }
    } catch (EsuException e) {
        if (e.getAtmosCode() == 1033) {
            resp.setHeader(WWW_AUTHENTICATE, WWW_AUTHENTICATE_VALUE);
            resp.sendError(resp.SC_UNAUTHORIZED);
        } else {
            if (e.getHttpCode() != 0) {
                StringBuffer err = new StringBuffer();

                err.append(e.getMessage());
                err.append("<BR />Atmos err code=");
                err.append(e.getAtmosCode());
                err.append("<BR />Http code=");
                err.append(e.getHttpCode());

                resp.sendError(e.getHttpCode(), err.toString());
            } else {
                resp.sendError(resp.SC_INTERNAL_SERVER_ERROR);
            }
        }
    }
    // Note super() is not called as we do not want some unexpected behaviour http servlets
}

From source file:org.amplafi.jawr.maven.JawrMojo.java

private void setupRequest(HttpServletRequest req, HttpServletResponse resp, final Response respData)
        throws IOException {
    expect(req.getSession(false)).andReturn(null).anyTimes();
    expect(req.getMethod()).andReturn("GET").anyTimes();
    expect(req.getServletPath()).andAnswer(new IAnswer<String>() {
        public String answer() throws Throwable {
            return respData.getPath();
        }//from  w  ww  .  jav  a 2  s  .c o m
    }).anyTimes();
    expect(req.getHeader("If-Modified-Since")).andReturn(null).anyTimes();
    expect(req.getHeader("If-None-Match")).andReturn(null).anyTimes();

    resp.setHeader(isA(String.class), isA(String.class));
    expectLastCall().andAnswer(new IAnswer<Object>() {

        public Object answer() throws Throwable {
            String key = (String) EasyMock.getCurrentArguments()[0];
            String value = (String) EasyMock.getCurrentArguments()[1];
            respData.getHeaders().put(key, value);
            return null;
        }

    }).anyTimes();

    resp.setDateHeader(isA(String.class), anyLong());
    expectLastCall().andAnswer(new IAnswer<Object>() {

        public Object answer() throws Throwable {
            String key = (String) EasyMock.getCurrentArguments()[0];
            long value = (Long) EasyMock.getCurrentArguments()[1];
            respData.getHeaders().put(key, value);
            return null;
        }

    }).anyTimes();

    resp.setContentType(isA(String.class));
    expectLastCall().andAnswer(new IAnswer<Object>() {
        public Object answer() throws Throwable {
            respData.setContentType((String) EasyMock.getCurrentArguments()[0]);
            return null;
        }
    }).anyTimes();

    resp.setContentLength(anyInt());
    expectLastCall().andAnswer(new IAnswer<Object>() {
        public Object answer() throws Throwable {
            respData.setContentLength((Integer) EasyMock.getCurrentArguments()[0]);
            return null;
        }
    }).anyTimes();

    resp.setStatus(anyInt());
    expectLastCall().andAnswer(new IAnswer<Object>() {
        public Object answer() throws Throwable {
            respData.setStatus((Integer) EasyMock.getCurrentArguments()[0]);
            return null;
        }
    }).anyTimes();

    expect(resp.getWriter()).andAnswer(new IAnswer<PrintWriter>() {
        public PrintWriter answer() throws Throwable {
            return respData.getWriter();
        }
    }).anyTimes();

}

From source file:com.vmware.appfactory.common.base.AbstractController.java

/**
 * Apply Etag caching to the request. In the request header,
 * if the 'If-None-Match' field is either empty or does not match
 * with the new token; it then set current date in the 'Last-Modified'
 * field. Otherwise, it sends 304 code back in the response.
 *
 * @param request - a HttpServletRequest.
 * @param response - a HttpServletResponse.
 * @param newToken - a new token to be set in the response's Etag header.
 * @return it always returns previous token from the request's
 * 'If-None-Match' header./*from   www  .j a va 2  s  .c om*/
 * @throws IOException if any error raised while setting
 * Etag caching related Http headers.
 */
protected String applyETagCache(HttpServletRequest request, HttpServletResponse response, String newToken,
        boolean setExpires) throws IOException {
    if (!StringUtils.hasLength(newToken)) {
        throw new IllegalArgumentException("Invalid newToken - " + newToken);
    }

    // Get the current date/time
    final Calendar cal = Calendar.getInstance();
    cal.set(Calendar.MILLISECOND, 0);
    final Date lastModified = cal.getTime();

    response.setHeader("Pragma", "cache");
    response.setHeader("Cache-Control", "public, must-revalidate");

    // Set the Expires and Cache-Control: max-age headers to 1 year in the future
    if (setExpires) {
        // Get the date/time 1 year from now
        cal.add(Calendar.YEAR, 1);
        final Date expires = cal.getTime();

        response.addHeader("Cache-Control", "max-age=3153600");
        response.setDateHeader("Expires", expires.getTime());
    }

    // Always store new token in the ETag header.
    response.setHeader("ETag", newToken);
    String previousToken = request.getHeader("If-None-Match");

    if (newToken.equals(previousToken)) {
        response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
        response.setHeader("Last-Modified", request.getHeader("If-Modified-Since"));
    } else {
        response.setDateHeader("Last-Modified", lastModified.getTime());
    }
    return previousToken;
}