List of usage examples for com.vaadin.server VaadinResponse getOutputStream
public OutputStream getOutputStream() throws IOException;
OutputStream for writing binary data in the response. From source file:annis.gui.requesthandler.LoginServletRequestHandler.java
License:Apache License
private void doGet(VaadinSession session, VaadinRequest request, VaadinResponse response) { response.setContentType("text/html"); OutputStream out = null;//from w w w . j ava 2 s . c o m try { out = response.getOutputStream(); String htmlSource = Resources.toString(LoginServletRequestHandler.class.getResource("login.html"), Charsets.UTF_8); htmlSource = htmlSource.replaceAll("%usercaption%", "Username") .replaceAll("%passwordcaption%", "Password").replaceAll("%title%", "ANNIS Login") .replaceAll("%logincaption%", "Login").replaceAll("%or%", "or") .replaceAll("%cancelcaption%", "Cancel"); try (OutputStreamWriter writer = new OutputStreamWriter(out, Charsets.UTF_8)) { CharStreams.copy(new StringReader(htmlSource), writer); out.flush(); } } catch (IOException ex) { log.error(null, ex); } catch (Exception ex) { log.error(null, ex); } finally { response.setStatus(200); if (out != null) { try { out.close(); } catch (IOException ex) { log.error("closing OutputStream filed", ex); } } } }
From source file:annis.gui.requesthandler.LoginServletRequestHandler.java
License:Apache License
private void doPost(VaadinSession session, VaadinRequest request, VaadinResponse response) throws IOException { response.setContentType("text/html"); String username = request.getParameter("annis-login-user"); String password = request.getParameter("annis-login-password"); if (username != null && password != null) { // forget any old user information session.getSession().removeAttribute(AnnisBaseUI.USER_KEY); session.getSession().removeAttribute(AnnisBaseUI.USER_LOGIN_ERROR); // get the URL for the REST service Object annisServiceURLObject = session.getSession().getAttribute(AnnisBaseUI.WEBSERVICEURL_KEY); if (annisServiceURLObject == null || !(annisServiceURLObject instanceof String)) { log.warn("AnnisWebService.URL was not set as init parameter in web.xml"); }//w w w . j av a2 s . c o m String webserviceURL = (String) annisServiceURLObject; try { AnnisUser user = new AnnisUser(username, password); WebResource res = user.getClient().resource(webserviceURL).path("admin").path("is-authenticated"); if ("true".equalsIgnoreCase(res.get(String.class))) { // everything ok, save this user configuration for re-use Helper.setUser(user); } } catch (ClientHandlerException ex) { session.getSession().setAttribute(AnnisBaseUI.USER_LOGIN_ERROR, "Authentification error: " + ex.getMessage()); response.setStatus(502); // bad gateway } catch (LoginDataLostException ex) { session.getSession().setAttribute(AnnisBaseUI.USER_LOGIN_ERROR, "Lost password in memory. Sorry."); response.setStatus(500); // server error } catch (UniformInterfaceException ex) { if (ex.getResponse().getStatus() == Response.Status.UNAUTHORIZED.getStatusCode()) { session.getSession().setAttribute(AnnisBaseUI.USER_LOGIN_ERROR, "Username or password wrong"); response.setStatus(Response.Status.UNAUTHORIZED.getStatusCode()); } else if (ex.getResponse().getStatus() == Response.Status.FORBIDDEN.getStatusCode()) { session.getSession().setAttribute(AnnisBaseUI.USER_LOGIN_ERROR, "Account has expired"); response.setStatus(Response.Status.FORBIDDEN.getStatusCode()); // Forbidden } else { log.error(null, ex); session.getSession().setAttribute(AnnisBaseUI.USER_LOGIN_ERROR, "Unexpected exception: " + ex.getMessage()); response.setStatus(500); } } try (OutputStreamWriter writer = new OutputStreamWriter(response.getOutputStream(), Charsets.UTF_8)) { String html = Resources.toString(LoginServletRequestHandler.class.getResource("closelogin.html"), Charsets.UTF_8); CharStreams.copy(new StringReader(html), writer); } } // end if login attempt }
From source file:annis.gui.requesthandler.ResourceRequestHandler.java
License:Apache License
@Override public boolean handleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response) throws IOException { if (request.getPathInfo() != null && request.getPathInfo().startsWith(prefix)) { String uuidString = StringUtils.removeStart(request.getPathInfo(), prefix); UUID uuid = UUID.fromString(uuidString); IFrameResourceMap map = VaadinSession.getCurrent().getAttribute(IFrameResourceMap.class); if (map == null) { response.setStatus(404);//w ww. j av a 2 s . c o m } else { IFrameResource res = map.get(uuid); if (res != null) { response.setStatus(200); response.setContentType(res.getMimeType()); response.getOutputStream().write(res.getData()); } } return true; } return false; }
From source file:annis.gui.SearchUI.java
License:Apache License
@Override protected void init(VaadinRequest request) { super.init(request); this.instanceConfig = getInstanceConfig(request); getPage().setTitle(instanceConfig.getInstanceDisplayName() + " (ANNIS Corpus Search)"); queryController = new QueryController(this); refresh = new Refresher(); // deactivate refresher by default refresh.setRefreshInterval(-1);//w w w . ja v a 2 s . c om refresh.addListener(queryController); addExtension(refresh); // always get the resize events directly setImmediate(true); VerticalLayout mainLayout = new VerticalLayout(); setContent(mainLayout); mainLayout.setSizeFull(); mainLayout.setMargin(false); final ScreenshotMaker screenshot = new ScreenshotMaker(this); addExtension(screenshot); css = new CSSInject(this); HorizontalLayout layoutToolbar = new HorizontalLayout(); layoutToolbar.setWidth("100%"); layoutToolbar.setHeight("-1px"); mainLayout.addComponent(layoutToolbar); layoutToolbar.addStyleName("toolbar"); layoutToolbar.addStyleName("border-layout"); Button btAboutAnnis = new Button("About ANNIS"); btAboutAnnis.addStyleName(ChameleonTheme.BUTTON_SMALL); btAboutAnnis.setIcon(new ThemeResource("info.gif")); btAboutAnnis.addClickListener(new AboutClickListener()); btBugReport = new Button("Report Bug"); btBugReport.addStyleName(ChameleonTheme.BUTTON_SMALL); btBugReport.setDisableOnClick(true); btBugReport.setIcon(new ThemeResource("../runo/icons/16/email.png")); btBugReport.addListener(new Button.ClickListener() { @Override public void buttonClick(ClickEvent event) { screenshot.makeScreenshot(); btBugReport.setCaption("bug report is initialized..."); } }); String bugmail = (String) VaadinSession.getCurrent().getAttribute("bug-e-mail"); if (bugmail != null && !bugmail.isEmpty() && !bugmail.startsWith("${") && new EmailValidator("").isValid(bugmail)) { this.bugEMailAddress = bugmail; } btBugReport.setVisible(this.bugEMailAddress != null); lblUserName = new Label("not logged in"); lblUserName.setWidth("-1px"); lblUserName.setHeight("-1px"); lblUserName.addStyleName("right-aligned-text"); btLoginLogout = new Button("Login", new Button.ClickListener() { @Override public void buttonClick(ClickEvent event) { if (isLoggedIn()) { // logout Helper.setUser(null); Notification.show("Logged out", Notification.Type.TRAY_NOTIFICATION); updateUserInformation(); } else { showLoginWindow(); } } }); btLoginLogout.setSizeUndefined(); btLoginLogout.setStyleName(ChameleonTheme.BUTTON_SMALL); btLoginLogout.setIcon(new ThemeResource("../runo/icons/16/user.png")); Button btOpenSource = new Button("Help us to make ANNIS better!"); btOpenSource.setStyleName(BaseTheme.BUTTON_LINK); btOpenSource.addListener(new Button.ClickListener() { @Override public void buttonClick(ClickEvent event) { Window w = new HelpUsWindow(); w.setCaption("Help us to make ANNIS better!"); w.setModal(true); w.setResizable(true); w.setWidth("600px"); w.setHeight("500px"); addWindow(w); w.center(); } }); layoutToolbar.addComponent(btAboutAnnis); layoutToolbar.addComponent(btBugReport); layoutToolbar.addComponent(btOpenSource); layoutToolbar.addComponent(lblUserName); layoutToolbar.addComponent(btLoginLogout); layoutToolbar.setSpacing(true); layoutToolbar.setComponentAlignment(btAboutAnnis, Alignment.MIDDLE_LEFT); layoutToolbar.setComponentAlignment(btBugReport, Alignment.MIDDLE_LEFT); layoutToolbar.setComponentAlignment(btOpenSource, Alignment.MIDDLE_CENTER); layoutToolbar.setComponentAlignment(lblUserName, Alignment.MIDDLE_RIGHT); layoutToolbar.setComponentAlignment(btLoginLogout, Alignment.MIDDLE_RIGHT); layoutToolbar.setExpandRatio(btOpenSource, 1.0f); //HorizontalLayout hLayout = new HorizontalLayout(); final HorizontalSplitPanel hSplit = new HorizontalSplitPanel(); hSplit.setSizeFull(); mainLayout.addComponent(hSplit); mainLayout.setExpandRatio(hSplit, 1.0f); AutoGeneratedQueries autoGenQueries = new AutoGeneratedQueries("example queries", this); controlPanel = new ControlPanel(queryController, instanceConfig, autoGenQueries); controlPanel.setWidth(100f, Layout.Unit.PERCENTAGE); controlPanel.setHeight(100f, Layout.Unit.PERCENTAGE); hSplit.setFirstComponent(controlPanel); tutorial = new TutorialPanel(); tutorial.setHeight("99%"); mainTab = new TabSheet(); mainTab.setSizeFull(); mainTab.addTab(autoGenQueries, "example queries"); mainTab.addTab(tutorial, "Tutorial"); queryBuilder = new QueryBuilderChooser(queryController, this, instanceConfig); mainTab.addTab(queryBuilder, "Query Builder"); hSplit.setSecondComponent(mainTab); hSplit.setSplitPosition(CONTROL_PANEL_WIDTH, Unit.PIXELS); hSplit.addSplitterClickListener(new AbstractSplitPanel.SplitterClickListener() { @Override public void splitterClick(AbstractSplitPanel.SplitterClickEvent event) { if (event.isDoubleClick()) { if (hSplit.getSplitPosition() == CONTROL_PANEL_WIDTH) { // make small hSplit.setSplitPosition(0.0f, Unit.PIXELS); } else { // reset to default width hSplit.setSplitPosition(CONTROL_PANEL_WIDTH, Unit.PIXELS); } } } }); // hLayout.setExpandRatio(mainTab, 1.0f); addAction(new ShortcutListener("^Query builder") { @Override public void handleAction(Object sender, Object target) { mainTab.setSelectedTab(queryBuilder); } }); addAction(new ShortcutListener("Tutor^eial") { @Override public void handleAction(Object sender, Object target) { mainTab.setSelectedTab(tutorial); } }); getPage().addUriFragmentChangedListener(this); getSession().addRequestHandler(new RequestHandler() { @Override public boolean handleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response) throws IOException { checkCitation(request); if (request.getPathInfo() != null && request.getPathInfo().startsWith("/vis-iframe-res/")) { String uuidString = StringUtils.removeStart(request.getPathInfo(), "/vis-iframe-res/"); UUID uuid = UUID.fromString(uuidString); IFrameResourceMap map = VaadinSession.getCurrent().getAttribute(IFrameResourceMap.class); if (map == null) { response.setStatus(404); } else { IFrameResource res = map.get(uuid); if (res != null) { response.setStatus(200); response.setContentType(res.getMimeType()); response.getOutputStream().write(res.getData()); } } return true; } return false; } }); getSession().setAttribute(MediaController.class, new MediaControllerImpl()); getSession().setAttribute(PDFController.class, new PDFControllerImpl()); loadInstanceFonts(); checkCitation(request); lastQueriedFragment = ""; evaluateFragment(getPage().getUriFragment()); updateUserInformation(); }
From source file:com.haulmont.cuba.web.sys.CubaWebJarsHandler.java
License:Apache License
@Override public boolean handleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response) throws IOException { String path = request.getPathInfo(); if (StringUtils.isEmpty(path) || StringUtils.isNotEmpty(path) && !path.startsWith(VAADIN_WEBJARS_PREFIX)) { return false; }//from w w w . jav a 2 s . co m log.trace("WebJar resource requested: {}", path.replace(VAADIN_WEBJARS_PREFIX, "")); String errorMessage = checkResourcePath(path); if (StringUtils.isNotEmpty(errorMessage)) { log.warn(errorMessage); response.sendError(HttpServletResponse.SC_FORBIDDEN, errorMessage); return false; } URL resourceUrl = getStaticResourceUrl(path); if (resourceUrl == null) { resourceUrl = getClassPathResourceUrl(path); } if (resourceUrl == null) { String msg = String.format("Requested WebJar resource is not found: %s", path); response.sendError(HttpServletResponse.SC_NOT_FOUND, msg); log.warn(msg); return false; } String resourceName = getResourceName(path); String mimeType = servletContext.getMimeType(resourceName); response.setContentType(mimeType != null ? mimeType : FileTypesHelper.DEFAULT_MIME_TYPE); String cacheControl = "public, max-age=0, must-revalidate"; int resourceCacheTime = getCacheTime(resourceName); if (resourceCacheTime > 0) { cacheControl = "max-age=" + String.valueOf(resourceCacheTime); } response.setHeader("Cache-Control", cacheControl); response.setDateHeader("Expires", System.currentTimeMillis() + (resourceCacheTime * 1000)); InputStream inputStream = null; try { URLConnection connection = resourceUrl.openConnection(); long lastModifiedTime = connection.getLastModified(); // Remove milliseconds to avoid comparison problems (milliseconds // are not returned by the browser in the "If-Modified-Since" // header). lastModifiedTime = lastModifiedTime - lastModifiedTime % 1000; response.setDateHeader("Last-Modified", lastModifiedTime); if (browserHasNewestVersion(request, lastModifiedTime)) { response.setStatus(HttpServletResponse.SC_NOT_MODIFIED); return true; } inputStream = connection.getInputStream(); copy(inputStream, response.getOutputStream()); return true; } finally { if (inputStream != null) { inputStream.close(); } } }
From source file:de.uni_tuebingen.qbic.qbicmainportlet.ProxyForGenomeViewerRestApi.java
License:Open Source License
@Override public boolean handleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response) throws IOException { if (UI.getCurrent() != null && UI.getCurrent().getPage() != null && UI.getCurrent().getPage().getUriFragment() != null) { System.out.println(UI.getCurrent().getPage().getUriFragment()); }/* w w w . j av a 2 s . c o m*/ System.out.println("is handling request"); System.out.println(request.getPathInfo()); System.out.println(request.getContextPath()); PortletRequest portletRequest = VaadinPortletService.getCurrentPortletRequest(); Map<String, String[]> para = request.getParameterMap(); Set<Entry<String, String[]>> s = para.entrySet(); Iterator<Entry<String, String[]>> it = s.iterator(); while (it.hasNext()) { Entry<String, String[]> en = it.next(); System.out.println("Key: " + en.getKey()); System.out.println("Value:"); for (int i = 0; i < en.getValue().length; i++) { System.out.println(en.getValue()[i]); } System.out.println("Next"); } Enumeration<String> enu = portletRequest.getParameterNames(); while (enu.hasMoreElements()) { String su = enu.nextElement(); System.out.println(su + " " + portletRequest.getParameter(su)); } enu = portletRequest.getPropertyNames(); while (enu.hasMoreElements()) { String su = enu.nextElement(); System.out.println(su + " " + portletRequest.getProperty(su)); } HttpServletRequest httpRequest = PortalUtil.getHttpServletRequest(portletRequest); System.out.println(httpRequest.getPathInfo()); enu = httpRequest.getParameterNames(); while (enu.hasMoreElements()) { String su = enu.nextElement(); System.out.println(su + " " + httpRequest.getParameter(su)); } System.out.println(httpRequest.getQueryString()); enu = PortalUtil.getOriginalServletRequest(httpRequest).getParameterNames(); System.out.println(PortalUtil.getOriginalServletRequest(httpRequest).getPathInfo()); while (enu.hasMoreElements()) { String su = enu.nextElement(); System.out.println(su + " " + PortalUtil.getOriginalServletRequest(httpRequest).getParameter(su)); } if (!String.valueOf(session).equals(request.getPathInfo())) { return false; } String fileId = request.getParameter("fileId"); String filepaths = request.getParameter("filepath"); String removeZeroGenotypes = request.getParameter("removeZeroGenotypes"); String region = request.getParameter("region"); String interval = request.getParameter("interval"); String histogram = request.getParameter("histogram"); URL u; try { StringBuilder sb = new StringBuilder(); sb.append(ConfigurationManagerFactory.getInstance().getGenomeViewerRestApiUrl()); sb.append(fileId); sb.append("/fetch?filepaths="); sb.append(filepaths); sb.append("®ion="); sb.append(region); if (interval != null) { sb.append("&interval="); sb.append(interval); } if (histogram != null) { sb.append("&histogram="); sb.append(histogram); } if (removeZeroGenotypes != null) { sb.append(""); } u = new URL(sb.toString()); // u = new // URL("http://localhost:7777/vizrest/rest/data/QBAMS001AB.bam/fetch?filepaths=/store/1/0EEF79A2-8140-4FC7-BA67-E51908FE4619/f0/91/36/20141116104428925-3161/original/QBAMS001AB.bam&removeZeroGenotypes=false®ion=9:117163200-117164799,9:117164800-117166399,9:117166400-117167999,9:117168000-117169599&interval=1600&h"); URLConnection urlConnection = u.openConnection(); urlConnection.setUseCaches(false); urlConnection.setDoOutput(false); urlConnection.connect(); InputStream is = urlConnection.getInputStream(); response.setContentType("application/json"); response.setHeader("Content-Type", "application/json"); OutputStream out = response.getOutputStream(); byte[] buffer = new byte[com.vaadin.server.Constants.DEFAULT_BUFFER_SIZE]; while (true) { int readCount = is.read(buffer); if (readCount < 0) { break; } out.write(buffer, 0, readCount); } } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return true; }
From source file:org.adho.dhconvalidator.ui.ExternalResourceRequestHandler.java
@Override public boolean handleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response) throws IOException { // does the request concern us? if (request.getPathInfo().startsWith("/popup" + imagePath)) { ZipResult zipResult = (ZipResult) VaadinSession.getCurrent() .getAttribute(SessionStorageKey.ZIPRESULT.name()); // if this is about the example picture we use the example ZipResult if (request.getPathInfo().endsWith(examplePictureName)) { zipResult = exampleZipResult; }/* w w w.j av a 2s. c om*/ if (zipResult != null) { byte[] resource = zipResult .getExternalResource(request.getPathInfo().substring(PATH_PREFIX_LENGTH)); if (resource != null) { response.getOutputStream().write(resource); return true; } else { throw new IOException(Messages.getString("ExternalResourceRequestHandler.resourceNotFound", request.getPathInfo().substring(PATH_PREFIX_LENGTH))); } } } return false; }