Example usage for com.vaadin.server VaadinSession getUIProviders

Introduction

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

Prototype

public List<UIProvider> getUIProviders() 

Source Link

Document

Gets the UI providers configured for this session.

Usage

From source file:fr.univlorraine.mondossierweb.utils.MdwSpringVaadinServlet.java

License:Apache License

@Override
protected void servletInitialized() throws ServletException {
    getService().addSessionInitListener(new SessionInitListener() {

        private static final long serialVersionUID = -6307820453486668084L;

        @Override/*from w  w w .  ja  v a 2 s.co m*/
        public void sessionInit(SessionInitEvent sessionInitEvent) throws ServiceException {
            WebApplicationContext webApplicationContext = WebApplicationContextUtils
                    .getWebApplicationContext(getServletContext());

            // remove DefaultUIProvider instances to avoid mapping
            // extraneous UIs if e.g. a servlet is declared as a nested
            // class in a UI class
            VaadinSession session = sessionInitEvent.getSession();
            List<UIProvider> uiProviders = new ArrayList<UIProvider>(session.getUIProviders());
            for (UIProvider provider : uiProviders) {
                // use canonical names as these may have been loaded with
                // different classloaders
                if (DefaultUIProvider.class.getCanonicalName().equals(provider.getClass().getCanonicalName())) {
                    session.removeUIProvider(provider);
                }
            }

            // add Spring UI provider
            SpringUIProvider uiProvider = new MdwUIProvider(webApplicationContext);
            session.addUIProvider(uiProvider);
        }
    });
}

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