org.adho.dhconvalidator.ui.LogoutLink.java Source code

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Here is the source code for org.adho.dhconvalidator.ui.LogoutLink.java

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/*
 * Copyright (c) 2015 http://www.adho.org/
 * License: see LICENSE file
 */
package org.adho.dhconvalidator.ui;

import com.vaadin.server.Page;
import com.vaadin.server.VaadinSession;
import com.vaadin.ui.Button;
import com.vaadin.ui.UI;
import com.vaadin.ui.themes.BaseTheme;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
import org.adho.dhconvalidator.Messages;

/**
 * A logout link.
 *
 * @author marco.petris@web.de
 */
public class LogoutLink extends Button {

    public LogoutLink() {
        super(Messages.getString("LogoutLink.title"));
        setStyleName(BaseTheme.BUTTON_LINK);
        addStyleName("plain-link");
        addClickListener(new ClickListener() {

            @Override
            public void buttonClick(ClickEvent event) {
                List<Page> pages = new ArrayList<>();
                // keep the pages...
                for (UI ui : VaadinSession.getCurrent().getUIs()) {
                    Page page = ui.getPage();
                    if (page != null) {
                        pages.add(page);
                    }
                }

                VaadinSession.getCurrent().close();

                // ... to notify them of the session close
                for (Page p : pages) {
                    try {
                        p.reload();
                    } catch (Exception e) {
                        Logger.getLogger("");
                    }
                }
            }
        });
    }
}