Example usage for com.vaadin.server VaadinRequest getService

List of usage examples for com.vaadin.server VaadinRequest getService

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Introduction

In this page you can find the example usage for com.vaadin.server VaadinRequest getService.

Prototype

public VaadinService getService();

Source Link

Document

Gets the vaadin service for the context of this request.

Usage

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

License:Apache License

@SuppressWarnings("unchecked")
@Override/*w  w w. j  a  v  a  2s  . c o  m*/
public Class<? extends UI> getUIClass(UIClassSelectionEvent event) {
    VaadinRequest request = event.getRequest();

    Object uiBeanNameObj = request.getService().getDeploymentConfiguration()
            .getApplicationOrSystemProperty("UIBean", null);

    if (uiBeanNameObj instanceof String) {
        String uiBeanName = uiBeanNameObj.toString();
        final ApplicationContext applicationContext = ApplicationContextLocator.getApplicationContext();
        final Class<? extends UI> bean = (Class<? extends UI>) applicationContext.getType(uiBeanName);
        if (bean != null) {
            return bean;
        } else {
            ClassLoader classLoader = request.getService().getClassLoader();
            try {
                Class<? extends UI> uiClass = Class.forName(uiBeanName, true, classLoader).asSubclass(UI.class);

                return uiClass;
            } catch (ClassNotFoundException e) {
                throw new RuntimeException("Could not find UI class", e);
            }
        }
    }
    return null;
}

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

License:Apache License

@Override
public UI createInstance(UICreateEvent event) {
    VaadinRequest request = event.getRequest();
    Object uiBeanNameObj = request.getService().getDeploymentConfiguration()
            .getApplicationOrSystemProperty("UIBean", null);

    //Stored in VaadinSession to use it in
    // the ApplicationScope later to initialize vaadin application scope beans
    final Integer uiId = event.getUiId();
    VaadinSession.getCurrent().setAttribute("applicationScope.UiId", uiId);

    if (uiBeanNameObj instanceof String) {
        String uiBeanName = uiBeanNameObj.toString();
        return (UI) ApplicationContextLocator.getBean(uiBeanName);
    }/* w  w  w  .  j  av a 2  s.  co  m*/
    return super.createInstance(event);
}

From source file:com.klwork.explorer.web.SpringUIProvider.java

License:Apache License

/**
 * Returns the bean name to be retrieved from the application bean context and
 * used as the UI. The default implementation uses the servlet init property
 * {@link #BEAN_NAME_PARAMETER} or "ui" if not defined.
 *
 * @param request the current Vaadin request
 * @return the UI bean name in the application context
 *///from   ww  w . j a va2s  . c  om
protected String getUIBeanName(VaadinRequest request) {
    String vaadinBeanName = "ui";
    //beanName, web.xml ?MyUi
    Object uiBeanName = request.getService().getDeploymentConfiguration()
            .getApplicationOrSystemProperty(BEAN_NAME_PARAMETER, null);
    if (uiBeanName != null && uiBeanName instanceof String) {
        vaadinBeanName = uiBeanName.toString();
    }

    logger.debug("found BEAN_NAME_PARAMETER: {}", vaadinBeanName);
    return vaadinBeanName;
}

From source file:com.lexaden.platform.web.ApplicationUIProvider.java

License:Apache License

@SuppressWarnings("unchecked")
@Override/*from   w w w. ja  v a  2s .  c  o  m*/
public UI createInstance(UICreateEvent event) {
    VaadinRequest request = event.getRequest();
    Object uiBeanNameObj = request.getService().getDeploymentConfiguration()
            .getApplicationOrSystemProperty("UIBean", null);

    //Stored in VaadinSession to use it in
    // the ApplicationScope later to initialize vaadin application scope beans
    final Integer uiId = event.getUiId();
    VaadinSession.getCurrent().setAttribute("applicationScope.UiId", uiId);

    if (uiBeanNameObj instanceof String) {
        String uiBeanName = uiBeanNameObj.toString();
        return (UI) ApplicationContextLocator.getBean(uiBeanName);
    }
    return super.createInstance(event);
}

From source file:org.lunifera.runtime.web.gyrex.vaadin.internal.VaadinOSGiServlet.java

License:Open Source License

@Override
protected OSGiServletService createServletService(DeploymentConfiguration deploymentConfiguration) {
    OSGiServletService service = new OSGiServletService(this, deploymentConfiguration, webAppProperties,
            new OSGiServletService.IVaadinSessionFactory() {
                @Override/* www  .  j a  va 2 s.  c  o m*/
                public VaadinSession createSession(VaadinRequest request,
                        HttpServletRequest httpServletRequest) {
                    VaadinSession session = new VaadinSession(request.getService());
                    for (UiProviderInfo info : tracker.getInfos()) {
                        session.addUIProvider(new OSGiUIProvider(info.getFactory(), info.getProviderClass()));
                    }
                    return session;
                }
            });
    return service;
}

From source file:org.lunifera.runtime.web.vaadin.osgi.servlet.VaadinOSGiServlet.java

License:Open Source License

@Override
protected OSGiServletService createServletService(DeploymentConfiguration deploymentConfiguration)
        throws ServiceException {

    // create the servlet service initialized with the ui provider
    OSGiServletService service = new OSGiServletService(this, deploymentConfiguration,
            new OSGiServletService.IVaadinSessionFactory() {
                @Override/*  w w w .  j  av  a  2  s  .  com*/
                public VaadinSession createSession(VaadinRequest request,
                        HttpServletRequest httpServletRequest) {
                    VaadinSession session = new VaadinSession(request.getService());
                    for (UIProvider provider : webApplication.getUiProviders()) {
                        session.addUIProvider(provider);
                    }
                    return session;
                }
            });
    service.init();
    return service;
}

From source file:org.lunifera.runtime.web.vaadin.standalone.servlet.VaadinOSGiServlet.java

License:Open Source License

@Override
protected OSGiServletService createServletService(DeploymentConfiguration deploymentConfiguration) {

    // create the servlet service initialized with the ui provider
    OSGiServletService service = new OSGiServletService(this, deploymentConfiguration,
            new OSGiServletService.IVaadinSessionFactory() {
                @Override/*from   ww w .j a v  a 2s  . co  m*/
                public VaadinSession createSession(VaadinRequest request,
                        HttpServletRequest httpServletRequest) {
                    VaadinSession session = new VaadinSession(request.getService());
                    for (OSGiUIProvider provider : webApplication.getUiProviders()) {
                        session.addUIProvider(provider);
                    }
                    return session;
                }
            });
    return service;
}

From source file:org.opennms.features.topology.app.internal.TopologyUI.java

License:Open Source License

@Override
protected void init(final VaadinRequest request) {
    // Register a cleanup
    request.getService().addSessionDestroyListener(
            (SessionDestroyListener) event -> m_widgetManager.removeUpdateListener(TopologyUI.this));

    try {//from  w w w  .j a  v  a  2s  .com
        m_headerHtml = getHeader(((VaadinServletRequest) request).getHttpServletRequest());
    } catch (final Exception e) {
        LOG.error("failed to get header HTML for request " + request.getPathInfo(), e.getCause());
    }

    //create VaadinApplicationContext
    m_applicationContext = m_serviceManager.createApplicationContext(new VaadinApplicationContextCreator() {
        @Override
        public VaadinApplicationContext create(OnmsServiceManager manager) {
            VaadinApplicationContextImpl context = new VaadinApplicationContextImpl();
            context.setSessionId(request.getWrappedSession().getId());
            context.setUiId(getUIId());
            context.setUsername(request.getRemoteUser());
            return context;
        }
    });
    m_verticesUpdateManager = new OsgiVerticesUpdateManager(m_serviceManager, m_applicationContext);
    m_serviceManager.getEventRegistry().addPossibleEventConsumer(this, m_applicationContext);

    // Set the algorithm last so that the criteria and SZLs are
    // in place before we run the layout algorithm.
    m_graphContainer.setSessionId(m_applicationContext.getSessionId());
    m_graphContainer.setLayoutAlgorithm(new TopoFRLayoutAlgorithm());

    createLayouts();
    setupErrorHandler(); // Set up an error handler for UI-level exceptions
    setupAutoRefresher(); // Add an auto refresh handler to the GraphContainer

    loadUserSettings();
    // the layout must be created BEFORE loading the hop criteria and the semantic zoom level
    TopologyUIRequestHandler handler = new TopologyUIRequestHandler();
    getSession().addRequestHandler(handler); // Add a request handler that parses incoming focusNode and szl query parameters
    handler.handleRequestParameter(request); // deal with those in init case

    // Add the default criteria if we do not have already a criteria set
    if (getWrappedVertexHopCriteria(m_graphContainer).isEmpty() && noAdditionalFocusCriteria()) {
        m_graphContainer.addCriteria(m_graphContainer.getBaseTopology().getDefaultCriteria()); // set default
    }

    // If no Topology Provider was selected (due to loadUserSettings(), fallback to default
    if (m_graphContainer.getBaseTopology() == null
            || m_graphContainer.getBaseTopology() == MergingGraphProvider.NULL_PROVIDER) {
        TopologySelectorOperation defaultTopologySelectorOperation = createOperationForDefaultGraphProvider(
                m_bundlecontext, "(|(label=Enhanced Linkd)(label=Linkd))");
        Objects.requireNonNull(defaultTopologySelectorOperation, "No default GraphProvider found."); // no default found, abort
        defaultTopologySelectorOperation.execute(m_graphContainer);
    }

    // We set the listeners at the end, to not fire them all the time when initializing the UI
    setupListeners();

    // We force a reload of the topology provider as it may not have been initialized
    m_graphContainer.getBaseTopology().refresh();

    // We force a reload to trigger a fireGraphChanged()
    m_graphContainer.setDirty(true);
    m_graphContainer.redoLayout();

    // Trigger a selectionChanged
    m_selectionManager.selectionChanged(m_selectionManager);
}

From source file:org.opennms.features.vaadin.nodemaps.internal.NodeMapsApplication.java

License:Open Source License

@Override
protected void init(final VaadinRequest vaadinRequest) {
    m_request = vaadinRequest;//from  w w w  .ja v  a  2s .co  m
    LOG.debug("initializing");

    final VaadinApplicationContextImpl context = new VaadinApplicationContextImpl();
    final UI currentUI = UI.getCurrent();
    context.setSessionId(currentUI.getSession().getSession().getId());
    context.setUiId(currentUI.getUIId());
    context.setUsername(vaadinRequest.getRemoteUser());

    Assert.notNull(m_alarmTable);
    Assert.notNull(m_nodeTable);

    final String searchString = vaadinRequest.getParameter("search");
    final Integer maxClusterRadius = Integer.getInteger("gwt.maxClusterRadius", 350);
    LOG.info("Starting search string: {}, max cluster radius: {}", searchString, maxClusterRadius);

    m_alarmTable.setVaadinApplicationContext(context);
    final EventProxy eventProxy = new EventProxy() {
        @Override
        public <T> void fireEvent(final T eventObject) {
            LOG.debug("got event: {}", eventObject);
            if (eventObject instanceof VerticesUpdateEvent) {
                final VerticesUpdateEvent event = (VerticesUpdateEvent) eventObject;
                final List<Integer> nodeIds = new ArrayList<Integer>();
                for (final VertexRef ref : event.getVertexRefs()) {
                    if ("nodes".equals(ref.getNamespace()) && ref.getId() != null) {
                        nodeIds.add(Integer.valueOf(ref.getId()));
                    }
                }
                m_mapWidgetComponent.setSelectedNodes(nodeIds);
                return;
            }
            LOG.warn("Unsure how to deal with event: {}", eventObject);
        }

        @Override
        public <T> void addPossibleEventConsumer(final T possibleEventConsumer) {
            LOG.debug("(ignoring) add consumer: {}", possibleEventConsumer);
            /* throw new UnsupportedOperationException("Not yet implemented!"); */
        }
    };

    m_alarmTable.setEventProxy(eventProxy);
    m_nodeTable.setEventProxy(eventProxy);

    createMapPanel(searchString, maxClusterRadius);
    createRootLayout();
    addRefresher();

    // Notify the user if no tileserver url or options are set
    if (!NodeMapConfiguration.isValid()) {
        new InvalidConfigurationWindow().open();
    }

    // Schedule refresh of node data
    m_executor.scheduleWithFixedDelay(() -> m_mapWidgetComponent.refreshNodeData(), 0, 5, TimeUnit.MINUTES);

    // If we do not shutdown the executor, the scheduler keeps refreshing the node data, even if the
    // UI may already been detached, resulting at one point in a OutOfMemory. See NMS-8589.
    vaadinRequest.getService().addSessionDestroyListener(new SessionDestroyListener() {
        @Override
        public void sessionDestroy(SessionDestroyEvent event) {
            m_executor.shutdown();
        }
    });
}

From source file:org.semanticsoft.vaaclipse.app.servlet.VaadinOSGiServlet.java

License:Open Source License

@Override
protected OSGiServletService createServletService(DeploymentConfiguration deploymentConfiguration) {

    // create the servlet service initialized with the ui provider
    OSGiServletService service = new OSGiServletService(this, deploymentConfiguration,
            new OSGiServletService.IVaadinSessionFactory() {
                @Override//from  w  w w  . j  a v a 2  s. c o m
                public VaadinSession createSession(VaadinRequest request,
                        HttpServletRequest httpServletRequest) {
                    VaadinSession session = new VaadinSession(request.getService());
                    session.addUIProvider(new OSGiUIProvider());
                    return session;
                }
            });
    return service;
}