List of usage examples for javax.servlet ServletContext getContext
public ServletContext getContext(String uripath);
ServletContext object that corresponds to a specified URL on the server. From source file:com.liferay.portal.struts.StrutsUtil.java
public static void include(String uri, ServletContext ctx, HttpServletRequest req, HttpServletResponse res) throws ServletException { String path = Constants.TEXT_HTML_DIR + uri; if (BrowserSniffer.is_wml(req)) { path = Constants.TEXT_WML_DIR + uri; }/*w w w . ja v a2 s.co m*/ ServletContext portalCtx = ctx.getContext(PropsUtil.get(PropsUtil.PORTAL_CTX)); if (portalCtx == null) { portalCtx = ctx; } RequestDispatcher rd = portalCtx.getRequestDispatcher(path); try { rd.include(req, res); } catch (IOException ioe) { } }
From source file:com.liferay.portal.struts.StrutsUtil.java
public static void forward(String uri, ServletContext ctx, HttpServletRequest req, HttpServletResponse res) throws ServletException { if (!res.isCommitted()) { String path = Constants.TEXT_HTML_DIR + uri; if (BrowserSniffer.is_wml(req)) { path = Constants.TEXT_WML_DIR + uri; }//w w w .ja va 2 s.c om ServletContext portalCtx = ctx.getContext(PropsUtil.get(PropsUtil.PORTAL_CTX)); if (portalCtx == null) { portalCtx = ctx; } RequestDispatcher rd = portalCtx.getRequestDispatcher(path); try { rd.forward(req, res); } catch (IOException ioe1) { Logger.error(StrutsUtil.class, ioe1.getMessage(), ioe1); } catch (ServletException se1) { req.setAttribute(PageContext.EXCEPTION, se1.getRootCause()); String errorPath = Constants.TEXT_HTML_DIR + Constants.COMMON_ERROR; if (BrowserSniffer.is_wml(req)) { path = Constants.TEXT_WML_DIR + Constants.COMMON_ERROR; } rd = portalCtx.getRequestDispatcher(errorPath); try { rd.forward(req, res); } catch (IOException ioe2) { Logger.error(StrutsUtil.class, ioe2.getMessage(), ioe2); } catch (ServletException se2) { throw se2; } } } else { _log.warn(uri + " is already committed"); } }
From source file:com.liferay.portal.servlet.MainServlet.java
public void service(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException { if (!PortalInstances.matches()) { String html = ContentUtil.get("messages/en_US/init.html"); res.getOutputStream().print(html); return;// w w w . j a va2s .c o m } if (ShutdownUtil.isShutdown()) { String html = ContentUtil.get("messages/en_US/shutdown.html"); res.getOutputStream().print(html); return; } req.setAttribute("dotcache", "no"); // Shared session HttpSession ses = req.getSession(); if (!GetterUtil.getBoolean(PropsUtil.get(PropsUtil.TCK_URL))) { String sharedSessionId = CookieUtil.get(req.getCookies(), CookieKeys.SHARED_SESSION_ID); _log.debug("Shared session id is " + sharedSessionId); if (sharedSessionId == null) { sharedSessionId = PwdGenerator.getPassword(PwdGenerator.KEY1 + PwdGenerator.KEY2, 12); Cookie sharedSessionIdCookie = new Cookie(CookieKeys.SHARED_SESSION_ID, sharedSessionId); sharedSessionIdCookie.setPath("/"); sharedSessionIdCookie.setMaxAge(86400); res.addCookie(sharedSessionIdCookie); _log.debug("Shared session id is " + sharedSessionId); } // if (ses.getAttribute(WebKeys.SHARED_SESSION_ID) == null) { ses.setAttribute(WebKeys.SHARED_SESSION_ID, sharedSessionId); // } HttpSession portalSes = (HttpSession) SharedSessionPool.get(sharedSessionId); if ((portalSes == null) || (ses != portalSes)) { if (portalSes == null) { _log.debug("No session exists in pool"); } else { _log.debug("Session " + portalSes.getId() + " in pool is old"); } _log.debug("Inserting current session " + ses.getId() + " in pool"); SharedSessionPool.put(sharedSessionId, ses); } } // Test CAS auto login /* * ses.setAttribute( * com.liferay.portal.auth.CASAutoLogin.CAS_FILTER_USER, * "liferay.com.1"); */ // CTX ServletContext ctx = getServletContext(); ServletContext portalCtx = ctx.getContext(PropsUtil.get(PropsUtil.PORTAL_CTX)); if (portalCtx == null) { portalCtx = ctx; } req.setAttribute(WebKeys.CTX, portalCtx); // CTX_PATH variable String ctxPath = (String) ctx.getAttribute(WebKeys.CTX_PATH); if (portalCtx.getAttribute(WebKeys.CTX_PATH) == null) { portalCtx.setAttribute(WebKeys.CTX_PATH, ctxPath); } if (ses.getAttribute(WebKeys.CTX_PATH) == null) { ses.setAttribute(WebKeys.CTX_PATH, ctxPath); } req.setAttribute(WebKeys.CTX_PATH, ctxPath); // CAPTCHA_PATH variable String captchaPath = (String) ctx.getAttribute(WebKeys.CAPTCHA_PATH); if (portalCtx.getAttribute(WebKeys.CAPTCHA_PATH) == null) { portalCtx.setAttribute(WebKeys.CAPTCHA_PATH, captchaPath); } if (ses.getAttribute(WebKeys.CAPTCHA_PATH) == null) { ses.setAttribute(WebKeys.CAPTCHA_PATH, captchaPath); } req.setAttribute(WebKeys.CAPTCHA_PATH, captchaPath); // IMAGE_PATH variable String imagePath = (String) ctx.getAttribute(WebKeys.IMAGE_PATH); if (portalCtx.getAttribute(WebKeys.IMAGE_PATH) == null) { portalCtx.setAttribute(WebKeys.IMAGE_PATH, imagePath); } if (ses.getAttribute(WebKeys.IMAGE_PATH) == null) { ses.setAttribute(WebKeys.IMAGE_PATH, imagePath); } req.setAttribute(WebKeys.IMAGE_PATH, imagePath); // WebKeys.COMPANY_ID variable String companyId = (String) ctx.getAttribute(WebKeys.COMPANY_ID); if (portalCtx.getAttribute(WebKeys.COMPANY_ID) == null) { portalCtx.setAttribute(WebKeys.COMPANY_ID, companyId); } if (ses.getAttribute(WebKeys.COMPANY_ID) == null) { ses.setAttribute(WebKeys.COMPANY_ID, companyId); } req.setAttribute(WebKeys.COMPANY_ID, companyId); // Portlet Request Processor PortletRequestProcessor portletReqProcessor = (PortletRequestProcessor) portalCtx .getAttribute(WebKeys.PORTLET_STRUTS_PROCESSOR); if (portletReqProcessor == null) { portletReqProcessor = new PortletRequestProcessor(this, getModuleConfig(req)); portalCtx.setAttribute(WebKeys.PORTLET_STRUTS_PROCESSOR, portletReqProcessor); } // Tiles definitions factory if (portalCtx.getAttribute(TilesUtilImpl.DEFINITIONS_FACTORY) == null) { portalCtx.setAttribute(TilesUtilImpl.DEFINITIONS_FACTORY, ctx.getAttribute(TilesUtilImpl.DEFINITIONS_FACTORY)); } // Set character encoding String strutsCharEncoding = PropsUtil.get(PropsUtil.STRUTS_CHAR_ENCODING); req.setCharacterEncoding(strutsCharEncoding); /* * if (!BrowserSniffer.is_wml(req)) { res.setContentType( * Constants.TEXT_HTML + "; charset=" + strutsCharEncoding); } */ // Determine content type String contentType = req.getHeader("Content-Type"); if ((contentType != null) && (contentType.startsWith("multipart/form-data"))) { req = new UploadServletRequest(req); } else if (ParamUtil.get(req, WebKeys.ENCRYPT, false)) { try { Company company = CompanyLocalManagerUtil.getCompany(companyId); req = new EncryptedServletRequest(req, company.getKeyObj()); } catch (Exception e) { } } // Current URL String completeURL = Http.getCompleteURL(req); if (completeURL.indexOf("j_security_check") != -1) { completeURL = ctxPath; } else { completeURL = completeURL.substring(completeURL.indexOf("://") + 3, completeURL.length()); completeURL = completeURL.substring(completeURL.indexOf("/"), completeURL.length()); } req.setAttribute(WebKeys.CURRENT_URL, completeURL); // Chat server // Login String userId = PortalUtil.getUserId(req); if ((userId != null)) { PrincipalThreadLocal.setName(userId); } if (userId == null) { try { User user = UserManagerUtil.getDefaultUser(companyId); if (ses.getAttribute(Globals.LOCALE_KEY) == null) ses.setAttribute(Globals.LOCALE_KEY, user.getLocale()); } catch (Exception e) { Logger.error(this, e.getMessage(), e); } } // Process pre service events try { EventsProcessor.process(PropsUtil.getArray(PropsUtil.SERVLET_SERVICE_EVENTS_PRE), req, res); } catch (Exception e) { Logger.error(this, e.getMessage(), e); req.setAttribute(PageContext.EXCEPTION, e); StrutsUtil.forward(PropsUtil.get(PropsUtil.SERVLET_SERVICE_EVENTS_PRE_ERROR_PAGE), portalCtx, req, res); } // Struts service callParentService(req, res); // Process post service events try { EventsProcessor.process(PropsUtil.getArray(PropsUtil.SERVLET_SERVICE_EVENTS_POST), req, res); } catch (Exception e) { Logger.error(this, e.getMessage(), e); } // Clear the principal associated with this thread PrincipalThreadLocal.setName(null); }
From source file:net.community.chest.gitcloud.facade.frontend.git.GitController.java
private void serveRequest(RequestMethod method, HttpServletRequest req, HttpServletResponse rsp) throws IOException, ServletException { if (logger.isDebugEnabled()) { logger.debug("serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "]"); }//from w w w.j a v a 2s . com if ((loopRetryTimeout > 0L) && (!loopDetected)) { long now = System.currentTimeMillis(), diff = now - initTimestamp; if ((diff > 0L) && (diff < loopRetryTimeout)) { try { MBeanInfo mbeanInfo = mbeanServer.getMBeanInfo(new ObjectName( "net.community.chest.gitcloud.facade.backend.git:name=BackendRepositoryResolver")); if (mbeanInfo != null) { logger.info("serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "]" + " detected loop: " + mbeanInfo.getClassName() + "[" + mbeanInfo.getDescription() + "]"); loopDetected = true; } } catch (JMException e) { if (logger.isDebugEnabled()) { logger.debug("serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "]" + " failed " + e.getClass().getSimpleName() + " to detect loop: " + e.getMessage()); } } } } ResolvedRepositoryData repoData = resolveTargetRepository(method, req); if (repoData == null) { throw ExtendedLogUtils.thrownLogging(logger, Level.WARNING, "serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "]", new NoSuchElementException("Failed to resolve repository")); } String username = authenticate(req); // TODO check if the user is allowed to access the repository via the resolve operation (push/pull) if at all (e.g., private repo) logger.info("serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "] user=" + username); /* * NOTE: this feature requires enabling cross-context forwarding. * In Tomcat, the 'crossContext' attribute in 'Context' element of * 'TOMCAT_HOME\conf\context.xml' must be set to true, to enable cross-context */ if (loopDetected) { // TODO see if can find a more efficient way than splitting and re-constructing URI uri = repoData.getRepoLocation(); ServletContext curContext = req.getServletContext(); String urlPath = uri.getPath(), urlQuery = uri.getQuery(); String[] comps = StringUtils.split(urlPath, '/'); String appName = comps[0]; ServletContext loopContext = Validate.notNull(curContext.getContext("/" + appName), "No cross-context for %s", appName); // build the relative path in the re-directed context StringBuilder sb = new StringBuilder( urlPath.length() + 1 + (StringUtils.isEmpty(urlQuery) ? 0 : urlQuery.length())); for (int index = 1; index < comps.length; index++) { sb.append('/').append(comps[index]); } if (!StringUtils.isEmpty(urlQuery)) { sb.append('?').append(urlQuery); } String redirectPath = sb.toString(); RequestDispatcher dispatcher = Validate.notNull(loopContext.getRequestDispatcher(redirectPath), "No dispatcher for %s", redirectPath); dispatcher.forward(req, rsp); if (logger.isDebugEnabled()) { logger.debug("serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "]" + " forwarded to " + loopContext.getContextPath() + "/" + redirectPath); } } else { executeRemoteRequest(method, repoData.getRepoLocation(), req, rsp); } }
From source file:org.apache.hadoop.hdfsproxy.ProxyForwardServlet.java
/** {@inheritDoc} */ @Override/* w ww . j av a 2 s.c o m*/ public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { String hostname = request.getServerName(); String version = configuration.get(hostname); if (version == null) { // extract from hostname directly String[] strs = hostname.split("[-\\.]"); version = "/" + strs[0]; } ServletContext curContext = getServletContext(); ServletContext dstContext = curContext.getContext(version); // avoid infinite forwarding. if (dstContext == null || "HDFS Proxy Forward".equals(dstContext.getServletContextName())) { LOG.error("Context (" + version + ".war) non-exist or restricted from access"); response.sendError(HttpServletResponse.SC_NOT_FOUND); return; } LOG.debug("Request to " + hostname + " is forwarded to version " + version); forwardRequest(request, response, dstContext, request.getServletPath()); }
From source file:org.apache.nifi.web.ContentViewerController.java
/** * Gets the content and defers to registered viewers to generate the markup. * * @param request servlet request// w w w . jav a2 s .c o m * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException { // specify the charset in a response header response.addHeader("Content-Type", "text/html; charset=UTF-8"); // get the content final ServletContext servletContext = request.getServletContext(); final ContentAccess contentAccess = (ContentAccess) servletContext.getAttribute("nifi-content-access"); final ContentRequestContext contentRequest; try { contentRequest = getContentRequest(request); } catch (final Exception e) { request.setAttribute("title", "Error"); request.setAttribute("messages", "Unable to interpret content request."); // forward to the error page final ServletContext viewerContext = servletContext.getContext("/nifi"); viewerContext.getRequestDispatcher("/message").forward(request, response); return; } if (contentRequest.getDataUri() == null) { request.setAttribute("title", "Error"); request.setAttribute("messages", "The data reference must be specified."); // forward to the error page final ServletContext viewerContext = servletContext.getContext("/nifi"); viewerContext.getRequestDispatcher("/message").forward(request, response); return; } // get the content final DownloadableContent downloadableContent; try { downloadableContent = contentAccess.getContent(contentRequest); } catch (final ResourceNotFoundException rnfe) { request.setAttribute("title", "Error"); request.setAttribute("messages", "Unable to find the specified content"); // forward to the error page final ServletContext viewerContext = servletContext.getContext("/nifi"); viewerContext.getRequestDispatcher("/message").forward(request, response); return; } catch (final AccessDeniedException ade) { request.setAttribute("title", "Access Denied"); request.setAttribute("messages", "Unable to approve access to the specified content: " + ade.getMessage()); // forward to the error page final ServletContext viewerContext = servletContext.getContext("/nifi"); viewerContext.getRequestDispatcher("/message").forward(request, response); return; } catch (final Exception e) { request.setAttribute("title", "Error"); request.setAttribute("messages", "An unexpected error has occurred: " + e.getMessage()); // forward to the error page final ServletContext viewerContext = servletContext.getContext("/nifi"); viewerContext.getRequestDispatcher("/message").forward(request, response); return; } // determine how we want to view the data String mode = request.getParameter("mode"); // if the name isn't set, use original if (mode == null) { mode = DisplayMode.Original.name(); } // determine the display mode final DisplayMode displayMode; try { displayMode = DisplayMode.valueOf(mode); } catch (final IllegalArgumentException iae) { request.setAttribute("title", "Error"); request.setAttribute("messages", "Invalid display mode: " + mode); // forward to the error page final ServletContext viewerContext = servletContext.getContext("/nifi"); viewerContext.getRequestDispatcher("/message").forward(request, response); return; } // buffer the content to support resetting in case we need to detect the content type or char encoding try (final BufferedInputStream bis = new BufferedInputStream(downloadableContent.getContent());) { final String mimeType; final String normalizedMimeType; // when standalone and we don't know the type is null as we were able to directly access the content bypassing the rest endpoint, // when clustered and we don't know the type set to octet stream since the content was retrieved from the node's rest endpoint if (downloadableContent.getType() == null || StringUtils .startsWithIgnoreCase(downloadableContent.getType(), MediaType.OCTET_STREAM.toString())) { // attempt to detect the content stream if we don't know what it is () final DefaultDetector detector = new DefaultDetector(); // create the stream for tika to process, buffered to support reseting final TikaInputStream tikaStream = TikaInputStream.get(bis); // provide a hint based on the filename final Metadata metadata = new Metadata(); metadata.set(Metadata.RESOURCE_NAME_KEY, downloadableContent.getFilename()); // Get mime type final MediaType mediatype = detector.detect(tikaStream, metadata); mimeType = mediatype.toString(); } else { mimeType = downloadableContent.getType(); } // Extract only mime type and subtype from content type (anything after the first ; are parameters) // Lowercase so subsequent code does not need to implement case insensitivity normalizedMimeType = mimeType.split(";", 2)[0].toLowerCase(); // add attributes needed for the header request.setAttribute("filename", downloadableContent.getFilename()); request.setAttribute("contentType", mimeType); // generate the header request.getRequestDispatcher("/WEB-INF/jsp/header.jsp").include(request, response); // remove the attributes needed for the header request.removeAttribute("filename"); request.removeAttribute("contentType"); // generate the markup for the content based on the display mode if (DisplayMode.Hex.equals(displayMode)) { final byte[] buffer = new byte[BUFFER_LENGTH]; final int read = StreamUtils.fillBuffer(bis, buffer, false); // trim the byte array if necessary byte[] bytes = buffer; if (read != buffer.length) { bytes = new byte[read]; System.arraycopy(buffer, 0, bytes, 0, read); } // convert bytes into the base 64 bytes final String base64 = Base64.encodeBase64String(bytes); // defer to the jsp request.setAttribute("content", base64); request.getRequestDispatcher("/WEB-INF/jsp/hexview.jsp").include(request, response); } else { // lookup a viewer for the content final String contentViewerUri = servletContext.getInitParameter(normalizedMimeType); // handle no viewer for content type if (contentViewerUri == null) { request.getRequestDispatcher("/WEB-INF/jsp/no-viewer.jsp").include(request, response); } else { // create a request attribute for accessing the content request.setAttribute(ViewableContent.CONTENT_REQUEST_ATTRIBUTE, new ViewableContent() { @Override public InputStream getContentStream() { return bis; } @Override public String getContent() throws IOException { // detect the charset final CharsetDetector detector = new CharsetDetector(); detector.setText(bis); detector.enableInputFilter(true); final CharsetMatch match = detector.detect(); // ensure we were able to detect the charset if (match == null) { throw new IOException("Unable to detect character encoding."); } // convert the stream using the detected charset return IOUtils.toString(bis, match.getName()); } @Override public ViewableContent.DisplayMode getDisplayMode() { return displayMode; } @Override public String getFileName() { return downloadableContent.getFilename(); } @Override public String getContentType() { return normalizedMimeType; } @Override public String getRawContentType() { return mimeType; } }); try { // generate the content final ServletContext viewerContext = servletContext.getContext(contentViewerUri); viewerContext.getRequestDispatcher("/view-content").include(request, response); } catch (final Exception e) { String message = e.getMessage() != null ? e.getMessage() : e.toString(); message = "Unable to generate view of data: " + message; // log the error logger.error(message); if (logger.isDebugEnabled()) { logger.error(StringUtils.EMPTY, e); } // populate the request attributes request.setAttribute("title", "Error"); request.setAttribute("messages", message); // forward to the error page final ServletContext viewerContext = servletContext.getContext("/nifi"); viewerContext.getRequestDispatcher("/message").forward(request, response); return; } // remove the request attribute request.removeAttribute(ViewableContent.CONTENT_REQUEST_ATTRIBUTE); } } // generate footer request.getRequestDispatcher("/WEB-INF/jsp/footer.jsp").include(request, response); } }
From source file:org.codehaus.groovy.grails.web.sitemesh.GrailsPageFilter.java
@Override protected DecoratorSelector initDecoratorSelector(SiteMeshWebAppContext webAppContext) { // TODO: Remove heavy coupling on horrible SM2 Factory final Factory factory = Factory.getInstance(new Config(filterConfig)); factory.refresh();/*from w w w . ja v a 2 s . com*/ return new DecoratorMapper2DecoratorSelector(factory.getDecoratorMapper()) { @Override public Decorator selectDecorator(Content content, SiteMeshContext context) { SiteMeshWebAppContext webAppContext = (SiteMeshWebAppContext) context; final com.opensymphony.module.sitemesh.Decorator decorator = factory.getDecoratorMapper() .getDecorator(webAppContext.getRequest(), content2htmlPage(content)); if (decorator == null || decorator.getPage() == null) { return new GrailsNoDecorator(); } else { return new OldDecorator2NewDecorator(decorator) { @Override protected void render(Content content, HttpServletRequest request, HttpServletResponse response, ServletContext servletContext, SiteMeshWebAppContext webAppContext) throws IOException, ServletException { HTMLPage htmlPage = content2htmlPage(content); request.setAttribute(PAGE, htmlPage); // see if the URI path (webapp) is set if (decorator.getURIPath() != null) { // in a security conscious environment, the servlet container // may return null for a given URL if (servletContext.getContext(decorator.getURIPath()) != null) { servletContext = servletContext.getContext(decorator.getURIPath()); } } // get the dispatcher for the decorator RequestDispatcher dispatcher = servletContext.getRequestDispatcher(decorator.getPage()); if (response.isCommitted()) { dispatcher.include(request, response); } else { dispatcher.forward(request, response); } request.removeAttribute(PAGE); } }; } } }; }
From source file:org.echocat.nodoodle.server.BaseUrlsDiscovery.java
public boolean isAvailable(URL url) { if (url == null) { throw new NullPointerException("The url is not defined."); }/*from w w w .j av a 2s.c o m*/ final ServletContext servletContext = _servletContext; if (servletContext == null) { throw new IllegalStateException("The init() method was not yet called."); } if (CollectionUtils.isEmpty(_baseUrls)) { throw new IllegalArgumentException("No baseUrls property set."); } boolean baseUrlFound = false; final Iterator<URL> i = _baseUrls.iterator(); while (i.hasNext() && !baseUrlFound) { final URL baseUrl = i.next(); baseUrlFound = url.toExternalForm().startsWith(baseUrl.toExternalForm()); } final boolean result; if (baseUrlFound) { final String uriPath = url.getPath(); final ServletContext servletContextForUrl = servletContext.getContext(uriPath); result = servletContext.equals(servletContextForUrl); } else { result = false; } return result; }
From source file:org.iterx.miru.support.servlet.dispatcher.context.BootstrapServletContextListener.java
private static String resolveContextPath(ServletContext servletContext) { String path;/*from www . ja v a 2 s . com*/ int next; path = ((URI.create(servletContext.getRealPath("/"))).getPath()).toLowerCase(); next = path.length() - 1; while (servletContext.getContext(path.substring(next)) != servletContext) { next = path.lastIndexOf('/', next - 1); } return path.substring(next); }
From source file:org.orbeon.oxf.servlet.ServletExternalContext.java
public RequestDispatcher getRequestDispatcher(String path, boolean isContextRelative) { final ServletContext servletContext = (ServletContext) webAppContext.getNativeContext(); if (isContextRelative) { // Path is relative to the current context root final ServletContext slashServletContext = servletContext.getContext("/"); return new ServletToExternalContextRequestDispatcherWrapper(servletContext.getRequestDispatcher(path), slashServletContext == servletContext); } else {//from w w w .j a va2 s . c om // Path is relative to the server document root final ServletContext otherServletContext = servletContext.getContext(path); if (otherServletContext == null) return null; final ServletContext slashServletContext = servletContext.getContext("/"); final String modifiedPath; final boolean isDefaultContext; if (slashServletContext != otherServletContext) { // Remove first path element modifiedPath = NetUtils.removeFirstPathElement(path); if (modifiedPath == null) return null; isDefaultContext = false; } else { // No need to remove first path element because the servlet context is "" modifiedPath = path; isDefaultContext = true; } return new ServletToExternalContextRequestDispatcherWrapper( otherServletContext.getRequestDispatcher(modifiedPath), isDefaultContext); } }