org.vaadin.spring.samples.mvp.ui.presenter.BannerPresenter.java Source code

Java tutorial

Introduction

Here is the source code for org.vaadin.spring.samples.mvp.ui.presenter.BannerPresenter.java

Source

/*
 * Copyright 2015 The original authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.vaadin.spring.samples.mvp.ui.presenter;

import javax.inject.Inject;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.userdetails.User;
import org.vaadin.spring.events.annotation.EventBusListenerMethod;
import org.vaadin.spring.navigator.Presenter;
import org.vaadin.spring.navigator.annotation.VaadinPresenter;
import org.vaadin.spring.samples.mvp.ui.view.BannerView;
import org.vaadin.spring.security.VaadinSecurity;

@VaadinPresenter(viewName = BannerView.NAME)
public class BannerPresenter extends Presenter<BannerView> {

    @Inject
    VaadinSecurity security;

    @EventBusListenerMethod(filter = StartupFilter.class)
    public void onStartup(Action action) {
        if (security.isAuthenticated()) {
            Authentication auth = security.getAuthentication();
            User user = (User) auth.getPrincipal();
            getView().setUser(user.getUsername());
        }
    }

}