EDIT

package eu.etaxonomy.cdm.vaadin.ui;

import org.apache.log4j.Logger;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.context.ApplicationEventPublisher;

import com.vaadin.annotations.Theme;

import com.vaadin.annotations.Title;

import com.vaadin.annotations.Widgetset;

import com.vaadin.navigator.ViewDisplay;

import com.vaadin.server.Page;

import com.vaadin.server.Responsive;

import com.vaadin.server.VaadinRequest;

import com.vaadin.spring.annotation.SpringUI;

import com.vaadin.spring.navigator.SpringViewProvider;

import com.vaadin.ui.Component;

import com.vaadin.ui.UI;

import eu.etaxonomy.cdm.vaadin.view.RedirectToLoginView;

import eu.etaxonomy.cdm.vaadin.view.distributionStatus.DistributionTableViewBean;

import eu.etaxonomy.vaadin.ui.UIInitializedEvent;

import eu.etaxonomy.vaadin.ui.navigation.NavigationEvent;

@Theme("macosx")

@Title("Distribution Editor")

@SpringUI(path="distribution")

@Widgetset("eu.etaxonomy.cdm.vaadin.AppWidgetSet")

@SuppressWarnings("serial")

public class DistributionStatusUI extends UI{

    private final static Logger logger = Logger.getLogger(DistributionStatusUI.class);

    @Autowired

    private ViewDisplay viewDisplay;

    //---- pull into abstract super class ? ---------

    @Autowired

    SpringViewProvider viewProvider;

    protected void configureAccessDeniedView() {

        viewProvider.setAccessDeniedViewClass(RedirectToLoginView.class);

    }

    /**

     * @return

     */

    private String pageFragmentAsState() {

        Page page = Page.getCurrent();

        String fragment = page.getUriFragment();

        String state = null;

        if(fragment != null && fragment.startsWith("!")){

            state = fragment.substring(1, fragment.length());

        }

        return state;

    }

    //---------------------------------------------

    public static final String INITIAL_VIEW =  DistributionTableViewBean.NAME;

    @Autowired

    ApplicationEventPublisher eventBus;

    public DistributionStatusUI() {

    }

	@Override

	protected void init(VaadinRequest request) {

        configureAccessDeniedView();

        Responsive.makeResponsive(this);

        setContent((Component) viewDisplay);

        eventBus.publishEvent(new UIInitializedEvent());

        //navigate to initial view

        String state = pageFragmentAsState();

        if(state != null){

            eventBus.publishEvent(new NavigationEvent(state));

        } else {

            eventBus.publishEvent(new NavigationEvent(INITIAL_VIEW));

        }

	}

}