com.sonoport.MyUI.java Source code

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Here is the source code for com.sonoport.MyUI.java

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/*
 * Copyright 2014 sonoport.com
 *
 *   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 com.sonoport;

import java.util.List;
import java.util.logging.Logger;

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

import com.sonoport.model.account.User;
import com.sonoport.service.account.UserService;
import com.sonoport.spring.ApplicationContextLocator;
import com.sonoport.util.UISessionState;
import com.vaadin.annotations.PreserveOnRefresh;
import com.vaadin.annotations.Theme;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinSession;
import com.vaadin.ui.Label;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

/**
 * Our main UI class.
 * 
 * @author Peter Back
 * 
 */
@Theme("mytheme")
@SuppressWarnings("serial")
@PreserveOnRefresh
@Configurable
public class MyUI extends UI {

    private static final Logger LOG = Logger.getLogger(MyUI.class.getName());

    @Autowired
    private UISessionState sessionState;

    @Autowired
    private UserService userService;

    private final VerticalLayout layout = new VerticalLayout();

    /**
     * Need to detect browser refresh and kill any open Windows because
     * they will be associated to a stale UI instance
     */
    @Override
    protected void refresh(VaadinRequest request) {
        for (Window w : getWindows()) {
            w.close();
        }
        init(request);
        super.refresh(request);
    }

    @Override
    protected void init(VaadinRequest request) {
        if (sessionState == null) {
            // This initialises the Spring Context from ContextConfiguration.java
            ApplicationContextLocator.getApplicationContext().getAutowireCapableBeanFactory().autowireBean(this);
        }

        if (sessionState.isReplaceSession()) {
            // We've just been redirected back on session expiry
            sessionState.setVaadinSession(VaadinSession.getCurrent());
            sessionState.setReplaceSession(false);
        }

        if (sessionState.staleSessionCheck(VaadinSession.getCurrent(), request)) {
            return;
        }

        getPage().setTitle("My UI");
        this.setContent(layout);
        layout.setSizeFull();

        Label testLabel = new Label("I'm a label");

        layout.addComponent(testLabel);

        List<User> userList = this.userService.listAll();

        LOG.info("ALL USERS : " + userList.toString());

    }

    public UISessionState getSessionState() {
        return sessionState;
    }

    public void setSessionState(UISessionState sessionState) {
        this.sessionState = sessionState;
    }

}