com.jee.client.JeeclientUI.java Source code

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Here is the source code for com.jee.client.JeeclientUI.java

Source

package com.jee.client;

import java.util.Locale;

import javax.servlet.ServletContext;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpSession;

import org.apache.log4j.Logger;
import org.springframework.context.ApplicationContext;
import org.springframework.context.NoSuchMessageException;
import org.springframework.context.support.ReloadableResourceBundleMessageSource;
import org.springframework.web.context.support.WebApplicationContextUtils;

import com.jee.api.VoucheringManager;
import com.jee.client.login.LoginForm;
import com.jee.client.panel.MainPanel;
import com.jee.kernel.util.WebUtil;
import com.jee.model.userAdmin.JeeUser;
import com.vaadin.annotations.Theme;
import com.vaadin.annotations.VaadinServletConfiguration;
import com.vaadin.annotations.Widgetset;
import com.vaadin.navigator.Navigator;
import com.vaadin.navigator.ViewChangeListener;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinService;
import com.vaadin.server.VaadinServlet;
import com.vaadin.server.WrappedHttpSession;
import com.vaadin.server.WrappedSession;
import com.vaadin.ui.Notification;
import com.vaadin.ui.Notification.Type;
import com.vaadin.ui.UI;

@SuppressWarnings("serial")
@Widgetset("com.jee.widgetset.JeeclientWidgetset")
@Theme("jeeclient")
public class JeeclientUI extends UI {
    public static final String USER_NAME_ATTRIBUTE_NAME = "userInstance";
    @SuppressWarnings("unused")
    private static Logger log = Logger.getLogger(JeeclientUI.class);
    private ApplicationContext applicationContext;
    private ReloadableResourceBundleMessageSource messageSource;
    private VoucheringManager userAdminManager;
    private Locale currentLocale;
    private MainPanel selectedPanel;

    private JeeUser loggedInUser;

    @WebServlet(value = "/*", asyncSupported = true)
    @VaadinServletConfiguration(productionMode = false, ui = JeeclientUI.class)
    public static class Servlet extends VaadinServlet {
    }

    public static JeeclientUI getCurrent() {
        return (JeeclientUI) UI.getCurrent();
    }

    @Override
    protected void init(VaadinRequest request) {
        new Navigator(this, this);
        getNavigator().addView(LoginForm.NAME, LoginForm.class);
        getNavigator().addView(MainView.NAME, MainView.class);
        getNavigator().addViewChangeListener(new ViewChangeListener() {

            @Override
            public boolean beforeViewChange(ViewChangeEvent event) {
                // Check if a user has logged in
                boolean isLoggedIn = VaadinService.getCurrentRequest().getWrappedSession()
                        .getAttribute(USER_NAME_ATTRIBUTE_NAME) != null;// getSession().getAttribute(USER_NAME_ATTRIBUTE_NAME) != null;
                boolean isLoginView = event.getNewView() instanceof LoginForm;

                if (!isLoggedIn && !isLoginView) {
                    // Redirect to login view always if a user has not yet
                    // logged in
                    getNavigator().navigateTo(LoginForm.NAME);
                    return false;

                } else if (isLoggedIn && isLoginView) {
                    // If someone tries to access to login view while logged in,
                    // then cancel
                    return false;
                }

                return true;
            }

            @Override
            public void afterViewChange(ViewChangeEvent event) {

            }
        });

        WrappedSession session = request.getWrappedSession();
        HttpSession httpSession = ((WrappedHttpSession) session).getHttpSession();
        ServletContext servletContext = httpSession.getServletContext();
        applicationContext = WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);
        messageSource = (ReloadableResourceBundleMessageSource) applicationContext.getBean("resource");
        userAdminManager = (VoucheringManager) applicationContext.getBean("userAdminManager");
        WebUtil.absolutePath = VaadinService.getCurrent().getBaseDirectory().getAbsolutePath();
        this.getLoadingIndicatorConfiguration().setFirstDelay(500);
        this.getLoadingIndicatorConfiguration().setSecondDelay(30000);
        this.getLoadingIndicatorConfiguration().setThirdDelay(80000);
    }

    public ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    public void changeLocale(Locale newLocale) {
        this.currentLocale = newLocale;
        this.getNavigator().navigateTo(MainView.NAME);
    }

    public String getText(String key) {
        String localizedName;
        try {
            localizedName = messageSource.getMessage(key, null, currentLocale);
        } catch (NoSuchMessageException e) {

            return key;
        }
        return localizedName;
    }

    public String getTextWithParam(String key, Object... params) {
        String localizedName;
        try {
            localizedName = messageSource.getMessage(key, params, currentLocale);
        } catch (NoSuchMessageException e) {

            return key;
        }
        return localizedName;
    }

    public Locale getCurrentLocale() {
        if (currentLocale != null)
            return currentLocale;
        if (Locale.getDefault() != null) {
            currentLocale = Locale.getDefault();
            return currentLocale;
        }
        return new Locale("en", "EN");
    }

    public VoucheringManager getUserAdminManager() {
        return userAdminManager;
    }

    public void setUserAdminManager(VoucheringManager userAdminManager) {
        this.userAdminManager = userAdminManager;
    }

    public JeeUser getLoggedInUser() {
        return loggedInUser;
    }

    public void setLoggedInUser(JeeUser loggedInUser) {
        this.loggedInUser = loggedInUser;
    }

    public void showInvalidLicenseMsg() {
        Notification.show(getText("license.module.invalid.license"), Type.WARNING_MESSAGE);

    }

    public MainPanel getSelectedPanel() {
        return selectedPanel;
    }

    public void setSelectedPanel(MainPanel selectedPanel) {
        this.selectedPanel = selectedPanel;
    }

    public ReloadableResourceBundleMessageSource getMessageSource() {
        return messageSource;
    }

    public void setMessageSource(ReloadableResourceBundleMessageSource messageSource) {
        this.messageSource = messageSource;
    }
}