Example usage for com.vaadin.server VaadinSession getCurrent

List of usage examples for com.vaadin.server VaadinSession getCurrent

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Introduction

In this page you can find the example usage for com.vaadin.server VaadinSession getCurrent.

Prototype

public static VaadinSession getCurrent()

Source Link

Document

Gets the currently used session.

Usage

From source file:annis.gui.controlpanel.ExportPanel.java

License:Apache License

@Override
public void buttonClick(ClickEvent event) {
    // clean up old export
    if (tmpOutputFile != null && tmpOutputFile.exists()) {
        if (!tmpOutputFile.delete()) {
            log.warn("Could not delete {}", tmpOutputFile.getAbsolutePath());
        }/*ww  w .jav a 2s  . c o m*/
    }
    tmpOutputFile = null;

    String exporterName = (String) cbExporter.getValue();
    final Exporter exporter = exporterMap.get(exporterName);
    if (exporter != null) {
        if (corpusListPanel.getSelectedCorpora().isEmpty()) {
            Notification.show("Please select a corpus", Notification.Type.WARNING_MESSAGE);
            btExport.setEnabled(true);
            return;
        }

        Callable<File> callable = new Callable<File>() {
            @Override
            public File call() throws Exception {
                File currentTmpFile = File.createTempFile("annis-export", ".txt");
                currentTmpFile.deleteOnExit();

                exporter.convertText(queryPanel.getQuery(), Integer.parseInt((String) cbLeftContext.getValue()),
                        Integer.parseInt((String) cbRightContext.getValue()),
                        corpusListPanel.getSelectedCorpora(), null, (String) txtParameters.getValue(),
                        Helper.getAnnisWebResource().path("query"),
                        new OutputStreamWriter(new FileOutputStream(currentTmpFile), "UTF-8"));

                return currentTmpFile;
            }
        };
        FutureTask<File> task = new FutureTask<File>(callable) {

            @Override
            protected void done() {
                VaadinSession session = VaadinSession.getCurrent();
                session.lock();
                try {
                    btExport.setEnabled(true);
                    progressIndicator.setEnabled(false);

                    try {
                        // copy the result to the class member in order to delete if
                        // when not longer needed
                        tmpOutputFile = get();
                    } catch (InterruptedException ex) {
                        log.error(null, ex);
                    } catch (ExecutionException ex) {
                        log.error(null, ex);
                    }

                    if (tmpOutputFile == null) {
                        Notification.show("Could not create the Exporter",
                                "The server logs might contain more information about this "
                                        + "so you should contact the provider of this ANNIS installation "
                                        + "for help.",
                                Notification.Type.ERROR_MESSAGE);
                    } else {
                        if (downloader != null && btDownload.getExtensions().contains(downloader)) {
                            btDownload.removeExtension(downloader);
                        }
                        downloader = new FileDownloader(new FileResource(tmpOutputFile));

                        downloader.extend(btDownload);
                        btDownload.setEnabled(true);

                        Notification.show("Export finished",
                                "Click on the button right to the export button to actually download the file.",
                                Notification.Type.HUMANIZED_MESSAGE);
                    }
                } finally {
                    session.unlock();
                }
            }

        };

        progressIndicator.setEnabled(true);

        ExecutorService singleExecutor = Executors.newSingleThreadExecutor();
        singleExecutor.submit(task);

    }

}

From source file:annis.gui.LoginWindow.java

License:Apache License

@Override
public void attach() {
    super.attach();

    this.loginURL = (String) VaadinSession.getCurrent().getAttribute(LOGIN_URL_KEY);

    Resource loginRes;/*  w w  w.  j av a 2  s. c o m*/
    if (loginURL == null || loginURL.isEmpty()) {
        loginRes = new ExternalResource(Helper.getContext() + "/login");
    } else {
        loginRes = new ExternalResource(loginURL);
    }

    BrowserFrame frame = new BrowserFrame("login", loginRes);
    frame.setWidth("100%");
    frame.setHeight("100%");

    setContent(frame);

    String loginMaximizedRaw = (String) getSession().getAttribute(LOGIN_MAXIMIZED_KEY);
    if (Boolean.parseBoolean(loginMaximizedRaw)) {
        setWindowMode(WindowMode.MAXIMIZED);
    }
}

From source file:annis.gui.MainToolbar.java

License:Apache License

public MainToolbar() {

    String bugmail = (String) VaadinSession.getCurrent().getAttribute(BUG_MAIL_KEY);
    if (bugmail != null && !bugmail.isEmpty() && !bugmail.startsWith("${")
            && new EmailValidator("").isValid(bugmail)) {
        this.bugEMailAddress = bugmail;
    } else {//from   w  w  w. j  av a2  s.  c o m
        this.bugEMailAddress = null;
    }

    UI ui = UI.getCurrent();
    if (ui instanceof CommonUI) {
        ((CommonUI) ui).getSettings().addedLoadedListener(MainToolbar.this);
    }

    setWidth("100%");
    setHeight("-1px");

    addStyleName("toolbar");
    addStyleName("border-layout");

    btAboutAnnis = new Button("About ANNIS");
    btAboutAnnis.addStyleName(ValoTheme.BUTTON_SMALL);
    btAboutAnnis.setIcon(new ThemeResource("images/annis_16.png"));
    btAboutAnnis.addClickListener(new AboutClickListener());

    btSidebar = new Button();
    btSidebar.setDisableOnClick(true);
    btSidebar.addStyleName(ValoTheme.BUTTON_SMALL);
    btSidebar.setDescription("Show and hide search sidebar");
    btSidebar.setIconAlternateText(btSidebar.getDescription());

    btBugReport = new Button("Report Problem");
    btBugReport.addStyleName(ValoTheme.BUTTON_SMALL);
    btBugReport.setDisableOnClick(true);
    btBugReport.setIcon(FontAwesome.ENVELOPE_O);
    btBugReport.addClickListener(new Button.ClickListener() {
        @Override
        public void buttonClick(Button.ClickEvent event) {
            reportBug();
        }
    });
    btBugReport.setVisible(this.bugEMailAddress != null);

    btNavigate = new Button();
    btNavigate.setVisible(false);
    btNavigate.setDisableOnClick(true);
    btNavigate.addClickListener(new Button.ClickListener() {

        @Override
        public void buttonClick(Button.ClickEvent event) {
            btNavigate.setEnabled(true);
            if (navigationTarget != null) {
                UI.getCurrent().getNavigator().navigateTo(navigationTarget.state);
            }
        }
    });
    lblUserName = new Label("not logged in");
    lblUserName.setWidth("-1px");
    lblUserName.setHeight("-1px");
    lblUserName.addStyleName("right-aligned-text");

    btLogin = new Button("Login", new Button.ClickListener() {
        @Override
        public void buttonClick(Button.ClickEvent event) {
            showLoginWindow(false);
        }
    });

    btLogout = new Button("Logout", new Button.ClickListener() {
        @Override
        public void buttonClick(Button.ClickEvent event) {
            // logout
            Helper.setUser(null);
            for (LoginListener l : loginListeners) {
                l.onLogout();
            }
            Notification.show("Logged out", Notification.Type.TRAY_NOTIFICATION);
            updateUserInformation();
        }
    });

    btLogin.setSizeUndefined();
    btLogin.setStyleName(ValoTheme.BUTTON_SMALL);
    btLogin.setIcon(FontAwesome.USER);

    btLogout.setSizeUndefined();
    btLogout.setStyleName(ValoTheme.BUTTON_SMALL);
    btLogout.setIcon(FontAwesome.USER);

    btOpenSource = new Button("Help us to make ANNIS better!");
    btOpenSource.setStyleName(BaseTheme.BUTTON_LINK);
    btOpenSource.addClickListener(new Button.ClickListener() {
        @Override
        public void buttonClick(Button.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");
            UI.getCurrent().addWindow(w);
            w.center();
        }
    });

    addComponent(btSidebar);
    setComponentAlignment(btSidebar, Alignment.MIDDLE_LEFT);

    addComponent(btAboutAnnis);
    addComponent(btBugReport);
    addComponent(btNavigate);

    addComponent(btOpenSource);

    setSpacing(true);
    setComponentAlignment(btAboutAnnis, Alignment.MIDDLE_LEFT);
    setComponentAlignment(btBugReport, Alignment.MIDDLE_LEFT);
    setComponentAlignment(btNavigate, Alignment.MIDDLE_LEFT);

    setComponentAlignment(btOpenSource, Alignment.MIDDLE_CENTER);
    setExpandRatio(btOpenSource, 1.0f);

    addLoginButton();

    btSidebar.addClickListener(new Button.ClickListener() {
        @Override
        public void buttonClick(Button.ClickEvent event) {
            btSidebar.setEnabled(true);

            // decide new state
            switch (sidebarState) {
            case VISIBLE:
                if (event.isCtrlKey()) {
                    sidebarState = SidebarState.AUTO_VISIBLE;
                } else {
                    sidebarState = SidebarState.HIDDEN;
                }
                break;
            case HIDDEN:
                if (event.isCtrlKey()) {
                    sidebarState = SidebarState.AUTO_HIDDEN;
                } else {
                    sidebarState = SidebarState.VISIBLE;
                }
                break;

            case AUTO_VISIBLE:
                if (event.isCtrlKey()) {
                    sidebarState = SidebarState.VISIBLE;
                } else {
                    sidebarState = SidebarState.AUTO_HIDDEN;
                }
                break;
            case AUTO_HIDDEN:
                if (event.isCtrlKey()) {
                    sidebarState = SidebarState.HIDDEN;
                } else {
                    sidebarState = SidebarState.AUTO_VISIBLE;
                }
                break;
            }

            updateSidebarState();
        }
    });

    screenshotExtension = new ScreenshotMaker(this);

    JavaScript.getCurrent().addFunction("annis.gui.logincallback", new LoginCloseCallback());

    updateSidebarState();
    MainToolbar.this.updateUserInformation();
}

From source file:annis.gui.MainToolbar.java

License:Apache License

/**
 * Adds the login button + login text to the toolbar. This is only happened,
 * when the gui is not started via the kickstarter.
 *
 * <p>/*from w  w  w. j a  v a  2  s  . c o  m*/
 * The Kickstarter overrides the "kickstarterEnvironment" context parameter
 * and set it to "true", so the gui can detect, that is not necessary to offer
 * a login button.</p>
 *
 * component.
 */
private void addLoginButton() {
    VaadinSession session = VaadinSession.getCurrent();
    if (session != null) {
        boolean kickstarter = Helper.isKickstarter(session);

        if (!kickstarter) {
            addComponent(lblUserName);
            setComponentAlignment(lblUserName, Alignment.MIDDLE_RIGHT);
            addComponent(btLogin);
            setComponentAlignment(btLogin, Alignment.MIDDLE_RIGHT);

        }
    }
}

From source file:annis.gui.MainToolbar.java

License:Apache License

private void updateUserInformation() {
    if (lblUserName == null) {
        return;//from w w  w  . ja v  a  2s  .c o m
    }

    if (navigationTarget == NavigationTarget.ADMIN) {
        // don't show administration link per default
        btNavigate.setVisible(false);
    }

    AnnisUser user = Helper.getUser();

    // always close the window
    if (windowLogin != null) {
        windowLogin.close(user != null);
    }

    if (user == null) {
        Object loginErrorOject = VaadinSession.getCurrent().getSession().getAttribute(USER_LOGIN_ERROR);
        if (loginErrorOject != null && loginErrorOject instanceof String) {
            Notification.show((String) loginErrorOject, Notification.Type.WARNING_MESSAGE);
        }
        VaadinSession.getCurrent().getSession().removeAttribute(AnnisBaseUI.USER_LOGIN_ERROR);

        lblUserName.setValue("not logged in");
        if (getComponentIndex(btLogout) > -1) {
            replaceComponent(btLogout, btLogin);
            setComponentAlignment(btLogin, Alignment.MIDDLE_RIGHT);
        }
    } else {
        // logged in
        if (user.getUserName() != null) {
            Notification.show("Logged in as \"" + user.getUserName() + "\"",
                    Notification.Type.TRAY_NOTIFICATION);

            lblUserName.setValue("logged in as \"" + user.getUserName() + "\"");

        }
        if (getComponentIndex(btLogin) > -1) {
            replaceComponent(btLogin, btLogout);
            setComponentAlignment(btLogout, Alignment.MIDDLE_RIGHT);
        }
        // do not show the logout button if the user cannot logout using ANNIS
        btLogout.setVisible(!user.isRemote());

        if (navigationTarget == NavigationTarget.ADMIN) {
            // check in background if display is necessary
            if (user.getUserName() != null) {
                Background.run(new CheckIfUserIsAdministratorJob(user.getUserName(), UI.getCurrent()));
            }
        }
    }

}

From source file:annis.gui.QueryController.java

License:Apache License

/**
 * Executes a query.//from  www.  j  a  v a  2  s. com
 * @param replaceOldTab
 * @param freshQuery If true the offset and the selected matches are reset before executing the query. 
 */
public void executeSearch(boolean replaceOldTab, boolean freshQuery) {
    if (freshQuery) {
        getState().getOffset().setValue(0l);
        getState().getSelectedMatches().setValue(new TreeSet<Long>());
        // get the value for the visible segmentation from the configured context
        Set<String> selectedCorpora = getState().getSelectedCorpora().getValue();
        CorpusConfig config = new CorpusConfig();
        if (selectedCorpora != null && !selectedCorpora.isEmpty()) {
            config = ui.getCorpusConfigWithCache(selectedCorpora.iterator().next());
        }

        if (config.containsKey(SearchOptionsPanel.KEY_DEFAULT_BASE_TEXT_SEGMENTATION)) {
            String configVal = config.getConfig(SearchOptionsPanel.KEY_DEFAULT_BASE_TEXT_SEGMENTATION);
            if ("".equals(configVal) || "tok".equals(configVal)) {
                configVal = null;
            }
            getState().getVisibleBaseText().setValue(configVal);
        } else {
            getState().getVisibleBaseText().setValue(getState().getContextSegmentation().getValue());
        }
    }
    // construct a query from the current properties
    DisplayedResultQuery displayedQuery = getSearchQuery();

    searchView.getControlPanel().getQueryPanel().setStatus("Searching...");

    cancelSearch();

    // cleanup resources
    VaadinSession session = VaadinSession.getCurrent();
    session.setAttribute(IFrameResourceMap.class, new IFrameResourceMap());
    if (session.getAttribute(MediaController.class) != null) {
        session.getAttribute(MediaController.class).clearMediaPlayers();
    }

    searchView.updateFragment(displayedQuery);

    if (displayedQuery.getCorpora() == null || displayedQuery.getCorpora().isEmpty()) {
        Notification.show("Please select a corpus", Notification.Type.WARNING_MESSAGE);
        return;
    }
    if ("".equals(displayedQuery.getQuery())) {
        Notification.show("Empty query", Notification.Type.WARNING_MESSAGE);
        return;
    }

    addHistoryEntry(displayedQuery);

    AsyncWebResource res = Helper.getAnnisAsyncWebResource();

    //
    // begin execute match fetching
    //
    ResultViewPanel oldPanel = searchView.getLastSelectedResultView();
    if (replaceOldTab) {
        // remove old panel from view
        searchView.closeTab(oldPanel);
    }

    ResultViewPanel newResultView = new ResultViewPanel(ui, ui, ui.getInstanceConfig(), displayedQuery);
    newResultView.getPaging()
            .addCallback(new SpecificPagingCallback(ui, searchView, newResultView, displayedQuery));

    TabSheet.Tab newTab;

    List<ResultViewPanel> existingResultPanels = getResultPanels();
    String caption = existingResultPanels.isEmpty() ? "Query Result"
            : "Query Result #" + (existingResultPanels.size() + 1);

    newTab = searchView.getMainTab().addTab(newResultView, caption);
    newTab.setClosable(true);
    newTab.setIcon(FontAwesome.SEARCH);

    searchView.getMainTab().setSelectedTab(newResultView);
    searchView.notifiyQueryStarted();

    Background.run(new ResultFetchJob(displayedQuery, newResultView, ui));

    //
    // end execute match fetching
    //
    // 
    // begin execute count
    //
    // start count query
    searchView.getControlPanel().getQueryPanel().setCountIndicatorEnabled(true);

    AsyncWebResource countRes = res.path("query").path("search").path("count")
            .queryParam("q", Helper.encodeJersey(displayedQuery.getQuery()))
            .queryParam("corpora", Helper.encodeJersey(StringUtils.join(displayedQuery.getCorpora(), ",")));
    Future<MatchAndDocumentCount> futureCount = countRes.get(MatchAndDocumentCount.class);
    state.getExecutedTasks().put(QueryUIState.QueryType.COUNT, futureCount);

    Background.run(new CountCallback(newResultView, displayedQuery.getLimit(), ui));

    //
    // end execute count
    //
}

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);//from www.j a  v  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.resultview.ResultSetPanel.java

License:Apache License

public ResultSetPanel(List<Match> matches, PluginSystem ps, InstanceConfig instanceConfig, int contextLeft,
        int contextRight, String segmentationName, ResultViewPanel parent, int firstMatchOffset) {
    this.ps = ps;
    this.segmentationName = segmentationName;
    this.contextLeft = contextLeft;
    this.contextRight = contextRight;
    this.parent = parent;
    this.matches = Collections.synchronizedList(matches);
    this.firstMatchOffset = firstMatchOffset;
    this.instanceConfig = instanceConfig;

    resultPanelList = Collections.synchronizedList(new LinkedList<SingleResultPanel>());
    cacheResolver = Collections//from   w w w .j a  v  a 2s.com
            .synchronizedMap(new HashMap<HashSet<SingleResolverRequest>, List<ResolverEntry>>());

    setSizeFull();

    layout = new CssLayout();
    setContent(layout);
    layout.addStyleName("result-view-css");

    addStyleName(ChameleonTheme.PANEL_BORDERLESS);
    addStyleName("result-view");

    indicatorLayout = new VerticalLayout();

    indicator = new ProgressIndicator();
    indicator.setIndeterminate(false);
    indicator.setValue(0f);
    indicator.setPollingInterval(250);
    indicator.setSizeUndefined();

    indicatorLayout.addComponent(indicator);
    indicatorLayout.setWidth("100%");
    indicatorLayout.setHeight("-1px");
    indicatorLayout.setComponentAlignment(indicator, Alignment.TOP_CENTER);
    indicatorLayout.setVisible(true);

    layout.addComponent(indicatorLayout);

    // enable indicator in order to get refresh GUI regulary
    indicator.setEnabled(true);

    ExecutorService singleExecutor = Executors.newSingleThreadExecutor();

    Callable<Boolean> run = new AllResultsFetcher();
    FutureTask<Boolean> task = new FutureTask<Boolean>(run) {
        @Override
        protected void done() {
            VaadinSession session = VaadinSession.getCurrent();
            session.lock();
            try {
                indicator.setEnabled(false);
                indicator.setVisible(false);
                indicatorLayout.setVisible(false);
            } finally {
                session.unlock();
            }
        }
    };
    singleExecutor.submit(task);
}

From source file:annis.gui.resultview.VisualizerPanel.java

License:Apache License

private VisualizerInput createInput() {
    VisualizerInput input = new VisualizerInput();
    input.setAnnisWebServiceURL((String) VaadinSession.getCurrent().getAttribute("AnnisWebService.URL"));
    input.setContextPath(Helper.getContext());
    input.setDotPath((String) VaadinSession.getCurrent().getAttribute("DotPath"));

    input.setId(resultID);/*  ww w  .  j  a  va  2 s . c  o m*/

    input.setMarkableExactMap(markersExact);
    input.setMarkableMap(markersCovered);
    input.setMarkedAndCovered(markedAndCovered);

    input.setResult(result);
    input.setVisibleTokenAnnos(visibleTokenAnnos);
    input.setSegmentationName(segmentationName);
    if (instanceConfig != null && instanceConfig.getFont() != null) {
        input.setFont(instanceConfig.getFont());
    }

    if (entry != null) {
        input.setMappings(entry.getMappings());
        input.setNamespace(entry.getNamespace());
        String template = Helper.getContext() + "/Resource/" + entry.getVisType() + "/%s";
        input.setResourcePathTemplate(template);
    }

    // getting the whole document, when plugin is using text
    if (visPlugin != null && visPlugin.isUsingText() && result != null
            && result.getDocumentGraph().getNodes().size() > 0) {
        List<String> nodeAnnoFilter = null;
        if (visPlugin instanceof FilteringVisualizerPlugin) {
            nodeAnnoFilter = ((FilteringVisualizerPlugin) visPlugin).getFilteredNodeAnnotationNames(corpusName,
                    documentName, input.getMappings());
        }
        SaltProject p = getDocument(result.getGraph().getRoots().get(0).getName(), result.getName(),
                nodeAnnoFilter);

        SDocument wholeDocument = p.getCorpusGraphs().get(0).getDocuments().get(0);

        input.setDocument(wholeDocument);
    } else {
        input.setDocument(result);
    }

    // getting the raw text, when the visualizer wants to have it
    if (visPlugin != null && visPlugin.isUsingRawText()) {
        input.setRawText(Helper.getRawText(corpusName, documentName));
    }

    return input;
}

From source file:annis.gui.resultview.VisualizerPanel.java

License:Apache License

private void updateGUIAfterLoadingVisualizer(LoadableVisualizer.Callback callback) {
    if (callback != null && vis instanceof LoadableVisualizer) {
        LoadableVisualizer loadableVis = (LoadableVisualizer) vis;
        if (loadableVis.isLoaded()) {
            // direct call callback since the visualizer is already ready
            callback.visualizerLoaded(loadableVis);
        } else {/*ww  w  .j  a  v a2s .  c om*/
            loadableVis.clearCallbacks();
            // add listener when player was fully loaded
            loadableVis.addOnLoadCallBack(callback);
        }
    }

    progress.setEnabled(false);
    progress.setVisible(false);

    if (vis != null) {
        btEntry.setEnabled(true);
        vis.setVisible(true);
        if (vis instanceof PDFViewer) {
            ((PDFViewer) vis).openPDFPage("-1");
        }
        if (vis instanceof MediaPlayer) {
            // if this is a media player visualizer, close all other media players
            // since some browsers (e.g. Chrome) have problems if there are multiple
            // audio/video elements on one page
            MediaController mediaController = VaadinSession.getCurrent().getAttribute(MediaController.class);
            mediaController.closeOtherPlayers((MediaPlayer) vis);

        }
        // add if not already added
        if (getComponentIndex(vis) < 0) {
            addComponent(vis);
        }
    }
}