List of usage examples for javax.servlet ServletResponse flushBuffer
public void flushBuffer() throws IOException;
From source file:org.apache.shale.tiles.TilesViewHandler.java
private void writeAfterViewContent(ExternalContext extContext, ServletResponse response) throws IOException { Object content = extContext.getRequestMap().get(AFTER_VIEW_CONTENT); assert (null != content); if (content instanceof char[]) { response.getWriter().write((char[]) content); } else if (content instanceof byte[]) { response.getWriter().write(new String((byte[]) content)); } else {/*w ww.jav a 2 s .c o m*/ assert (false); } response.flushBuffer(); // remove the AFTER_VIEW_CONTENT from the view root extContext.getRequestMap().remove(AFTER_VIEW_CONTENT); }
From source file:org.apache.unomi.web.ContextServlet.java
@Override public void service(ServletRequest request, ServletResponse response) throws ServletException, IOException { final Date timestamp = new Date(); if (request.getParameter("timestamp") != null) { timestamp.setTime(Long.parseLong(request.getParameter("timestamp"))); }//from w w w . java2 s. c om // first we must retrieve the context for the current visitor, and build a Javascript object to attach to the // script output. String profileId; HttpServletRequest httpServletRequest = (HttpServletRequest) request; String httpMethod = httpServletRequest.getMethod(); // logger.debug(HttpUtils.dumpRequestInfo(httpServletRequest)); // set up CORS headers as soon as possible so that errors are not misconstrued on the client for CORS errors HttpUtils.setupCORSHeaders(httpServletRequest, response); if ("options".equals(httpMethod.toLowerCase())) { response.flushBuffer(); return; } Profile profile = null; String cookieProfileId = null; Cookie[] cookies = httpServletRequest.getCookies(); for (Cookie cookie : cookies) { if (profileIdCookieName.equals(cookie.getName())) { cookieProfileId = cookie.getValue(); } } Session session = null; String personaId = request.getParameter("personaId"); if (personaId != null) { PersonaWithSessions personaWithSessions = profileService.loadPersonaWithSessions(personaId); if (personaWithSessions == null) { logger.error("Couldn't find persona with id=" + personaId); profile = null; } else { profile = personaWithSessions.getPersona(); session = personaWithSessions.getLastSession(); } } String sessionId = request.getParameter("sessionId"); if (cookieProfileId == null && sessionId == null && personaId == null) { ((HttpServletResponse) response).sendError(HttpServletResponse.SC_BAD_REQUEST); return; } boolean profileCreated = false; ContextRequest contextRequest = null; String scope = null; String stringPayload = HttpUtils.getPayload(httpServletRequest); if (stringPayload != null) { ObjectMapper mapper = CustomObjectMapper.getObjectMapper(); JsonFactory factory = mapper.getFactory(); try { contextRequest = mapper.readValue(factory.createParser(stringPayload), ContextRequest.class); } catch (Exception e) { logger.error("Cannot read payload " + stringPayload, e); return; } scope = contextRequest.getSource().getScope(); } int changes = EventService.NO_CHANGE; if (profile == null) { if (sessionId != null) { session = profileService.loadSession(sessionId, timestamp); if (session != null) { profileId = session.getProfileId(); profile = profileService.load(profileId); profile = checkMergedProfile(response, profile, session); } } if (profile == null) { // profile not stored in session if (cookieProfileId == null) { // no profileId cookie was found, we generate a new one and create the profile in the profile service profile = createNewProfile(null, response, timestamp); profileCreated = true; } else { profile = profileService.load(cookieProfileId); if (profile == null) { // this can happen if we have an old cookie but have reset the server, // or if we merged the profiles and somehow this cookie didn't get updated. profile = createNewProfile(null, response, timestamp); profileCreated = true; HttpUtils.sendProfileCookie(profile, response, profileIdCookieName, profileIdCookieDomain); } else { profile = checkMergedProfile(response, profile, session); } } } else if ((cookieProfileId == null || !cookieProfileId.equals(profile.getItemId())) && !profile.isAnonymousProfile()) { // profile if stored in session but not in cookie HttpUtils.sendProfileCookie(profile, response, profileIdCookieName, profileIdCookieDomain); } // associate profile with session if (sessionId != null && session == null) { session = new Session(sessionId, profile, timestamp, scope); changes |= EventService.SESSION_UPDATED; Event event = new Event("sessionCreated", session, profile, scope, null, session, timestamp); event.getAttributes().put(Event.HTTP_REQUEST_ATTRIBUTE, request); event.getAttributes().put(Event.HTTP_RESPONSE_ATTRIBUTE, response); logger.debug("Received event " + event.getEventType() + " for profile=" + profile.getItemId() + " session=" + session.getItemId() + " target=" + event.getTarget() + " timestamp=" + timestamp); changes |= eventService.send(event); } } if (profileCreated) { changes |= EventService.PROFILE_UPDATED; Event profileUpdated = new Event("profileUpdated", session, profile, scope, null, profile, timestamp); profileUpdated.setPersistent(false); profileUpdated.getAttributes().put(Event.HTTP_REQUEST_ATTRIBUTE, request); profileUpdated.getAttributes().put(Event.HTTP_RESPONSE_ATTRIBUTE, response); logger.debug("Received event {} for profile={} {} target={} timestamp={}", profileUpdated.getEventType(), profile.getItemId(), session != null ? " session=" + session.getItemId() : "", profileUpdated.getTarget(), timestamp); changes |= eventService.send(profileUpdated); } ContextResponse data = new ContextResponse(); data.setProfileId(profile.isAnonymousProfile() ? cookieProfileId : profile.getItemId()); if (privacyService.isRequireAnonymousBrowsing(profile.getItemId())) { profile = privacyService.getAnonymousProfile(); session.setProfile(profile); changes = EventService.SESSION_UPDATED; } if (contextRequest != null) { changes |= handleRequest(contextRequest, profile, session, data, request, response, timestamp); } if ((changes & EventService.PROFILE_UPDATED) == EventService.PROFILE_UPDATED && profile != null) { profileService.save(profile); } if ((changes & EventService.SESSION_UPDATED) == EventService.SESSION_UPDATED && session != null) { profileService.saveSession(session); } String extension = httpServletRequest.getRequestURI() .substring(httpServletRequest.getRequestURI().lastIndexOf(".") + 1); boolean noScript = "json".equals(extension); String contextAsJSONString = CustomObjectMapper.getObjectMapper().writeValueAsString(data); Writer responseWriter; if (noScript) { response.setCharacterEncoding("UTF-8"); responseWriter = response.getWriter(); response.setContentType("application/json"); IOUtils.write(contextAsJSONString, responseWriter); } else { responseWriter = response.getWriter(); responseWriter.append("window.digitalData = window.digitalData || {};\n").append("var cxs = ") .append(contextAsJSONString).append(";\n"); // now we copy the base script source code InputStream baseScriptStream = getServletContext().getResourceAsStream( profile instanceof Persona ? IMPERSONATE_BASE_SCRIPT_LOCATION : BASE_SCRIPT_LOCATION); IOUtils.copy(baseScriptStream, responseWriter); } responseWriter.flush(); }
From source file:org.ireland.jnetty.webapp.RequestDispatcherImpl.java
private void finishResponse(ServletResponse res) throws ServletException, IOException { if (res instanceof HttpServletResponseImpl) { res.flushBuffer(); // we sure that all data has already put to the ByteBuf? } else {//ww w . j a v a 2s. c o m try { OutputStream os = res.getOutputStream(); os.flush(); // os.close(); } catch (Exception e) { } try { PrintWriter out = res.getWriter(); out.flush(); // out.close(); } catch (Exception e) { } } }
From source file:org.polymap.service.fs.webdav.WebDavServer.java
public void service(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException { Timer timer = new Timer(); HttpServletRequest req = (HttpServletRequest) servletRequest; HttpServletResponse resp = (HttpServletResponse) servletResponse; DefaultSessionContextProvider contextProvider = FsPlugin.getDefault().sessionContextProvider; try {/*from w w w .j ava 2s . com*/ Request request = new com.bradmcevoy.http.ServletRequest(req); Response response = new com.bradmcevoy.http.ServletResponse(resp); threadRequest.set(request); threadResponse.set(response); Auth auth = request.getAuthorization(); log.debug("Auth: " + auth); // map/create session context final HttpSession session = req.getSession(true); if (auth != null) { contextProvider.mapContext(auth.getUser(), true); log.debug("SessionContext: " + SessionContext.current()); } httpManager.process(request, response); log.debug("Request: " + Request.Header.ACCEPT_ENCODING.code + ": " + request.getHeaders().get(Request.Header.ACCEPT_ENCODING.code) + " --> Response: " + Response.Header.CONTENT_ENCODING.code + ": " + response.getHeaders().get(Response.Header.CONTENT_ENCODING.code)); log.debug("Response: " + response.getStatus()); } finally { if (contextProvider.currentContext() != null) { contextProvider.unmapContext(); } threadRequest.set(null); threadResponse.set(null); servletResponse.getOutputStream().flush(); servletResponse.flushBuffer(); } log.info("WebDAV request: " + timer.elapsedTime() + "ms"); }