Example usage for com.vaadin.server VaadinSession getAttribute

Introduction

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

Prototype

public <T> T getAttribute(Class<T> type) 

Source Link

Document

Gets a stored attribute value.

Usage

From source file:annis.gui.QueryController.java

License:Apache License

/**
 * Executes a query.//from   w  ww.  j  a v a 2  s  .  co m
 * @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.libgui.visualizers.AbstractIFrameVisualizer.java

License:Apache License

@Override
public Component createComponent(final VisualizerInput vis, VisualizationToggle visToggle) {

    VaadinSession session = VaadinSession.getCurrent();
    if (session.getAttribute(IFrameResourceMap.class) == null) {
        session.setAttribute(IFrameResourceMap.class, new IFrameResourceMap());
    }/*from  w w  w  .  ja v a2s.  c  o m*/

    ByteArrayOutputStream outStream = new ByteArrayOutputStream();
    writeOutput(vis, outStream);

    IFrameResource res = new IFrameResource();
    res.setData(outStream.toByteArray());
    res.setMimeType(getContentType());

    UUID uuid = UUID.randomUUID();
    session.getAttribute(IFrameResourceMap.class).put(uuid, res);

    URI base = UI.getCurrent().getPage().getLocation();
    AutoHeightIFrame iframe = new AutoHeightIFrame(base.resolve("vis-iframe-res/" + uuid.toString()));
    return iframe;
}

---

From source file:annis.visualizers.component.pdf.PDFVisualizer.java

License:Apache License

@Override
public Panel createComponent(VisualizerInput input, VisualizationToggle visToggle) {

    PDFViewer pdfViewer = null;//ww w.j  ava2  s. c  om

    try {

        if (VaadinSession.getCurrent().getAttribute(PDFController.class) != null) {

            VaadinSession session = VaadinSession.getCurrent();
            PDFController pdfController = session.getAttribute(PDFController.class);
            pdfViewer = new PDFViewerImpl(input, visToggle);
            pdfController.addPDF(input.getId(), pdfViewer);
        }

    } catch (Exception ex) {
        log.error("could not create pdf vis", ex);
    }

    return (Panel) pdfViewer;
}

---

From source file:com.foc.vaadin.FocWebApplication.java

License:Apache License

public FocWebSession getFocWebSession() {
    //MultiTab//from ww w .ja  v a2  s  . c  o  m
    FocWebSession focWebSession = null;

    if (getHttpSession() != null) {
        focWebSession = (FocWebSession) getHttpSession().getAttribute(ATT_WEB_SESSION);
    } else {
        VaadinSession vaadinSession = getSession();
        focWebSession = vaadinSession != null ? (FocWebSession) vaadinSession.getAttribute(ATT_WEB_SESSION)
                : focSession_ForNonVaadinAndHTTP;
    }
    return focWebSession;
}

---

From source file:com.freebox.engeneering.application.system.ApplicationScope.java

License:Apache License

@Override
public Object get(String name, ObjectFactory<?> objectFactory) {

    final VaadinSession current = VaadinSession.getCurrent();
    String uiId = getCurrentUiId();
    Object bean = current.getAttribute(APPLICATION_SCOPE + uiId + name);
    if (bean == null) {
        bean = objectFactory.getObject();
        current.setAttribute(APPLICATION_SCOPE + uiId + name, bean);
    }/*from   w ww  . jav a2s.c o  m*/
    return bean;
}

---

From source file:com.freebox.engeneering.application.system.ApplicationScope.java

License:Apache License

@Override
public Object remove(String name) {
    final VaadinSession current = VaadinSession.getCurrent();

    String uiId = getCurrentUiId();
    Object bean = current.getAttribute(APPLICATION_SCOPE + uiId + name);
    if (bean != null) {
        current.setAttribute(APPLICATION_SCOPE + uiId + name, null);
        this.destructionCallbacks.remove(name);
    }//from ww  w .  j  ava2  s. co m
    return bean;
}

---

From source file:com.freebox.engeneering.application.web.common.AbstractController.java

License:Apache License

public String getFreeboxTokenSession() {
    final VaadinSession current = VaadinSession.getCurrent();
    String tokenSession = (String) current.getAttribute(FREEBOX_TOKEN_SESSION);
    return tokenSession;
}

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From source file:com.haulmont.cuba.web.App.java

License:Apache License

/**
 * @return Current App instance. Can be invoked anywhere in application code.
 * @throws IllegalStateException if no application instance is bound to the current {@link VaadinSession}
 *//*from w  ww.j  ava2 s  .  c o  m*/
public static App getInstance() {
    VaadinSession vSession = VaadinSession.getCurrent();
    if (vSession == null) {
        throw new IllegalStateException("No VaadinSession found");
    }
    if (!vSession.hasLock()) {
        throw new IllegalStateException("VaadinSession is not owned by the current thread");
    }
    App app = vSession.getAttribute(App.class);
    if (app == null) {
        throw new IllegalStateException("No App is bound to the current VaadinSession");
    }
    return app;
}

---

From source file:com.haulmont.cuba.web.App.java

License:Apache License

/**
 * @return true if an {@link App} instance is currently bound and can be safely obtained by {@link #getInstance()}
 *//*  ww w  . ja  v a  2s  .c  o  m*/
public static boolean isBound() {
    VaadinSession vSession = VaadinSession.getCurrent();
    return vSession != null && vSession.hasLock() && vSession.getAttribute(App.class) != null;
}

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From source file:com.haulmont.cuba.web.settings.WebSettingsClient.java

License:Apache License

protected Map<String, Optional<String>> getCache() {
    VaadinSession session = VaadinSession.getCurrent();
    @SuppressWarnings("unchecked")
    Map<String, Optional<String>> settings = (Map<String, Optional<String>>) session
            .getAttribute(SettingsClient.NAME);
    if (settings == null) {
        settings = new ConcurrentHashMap<>();
        session.setAttribute(SettingsClient.NAME, settings);
    }/*from   w  ww. j  a va 2s  . c  o  m*/
    return settings;
}

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