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

Introduction

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

Source

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

import com.vaadin.annotations.PreserveOnRefresh;
import com.vaadin.annotations.Theme;
import com.vaadin.navigator.Navigator;
import com.vaadin.server.Page;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinSession;
import com.vaadin.ui.UI;
import de.catma.backgroundservice.BackgroundService;
import java.io.IOException;
import org.adho.dhconvalidator.Messages;
import org.adho.dhconvalidator.conversion.input.docx.DocxInputConverter;
import org.adho.dhconvalidator.conversion.input.odt.OdtInputConverter;
import org.adho.dhconvalidator.properties.PropertyKey;

/**
 * The UI that offers the available services.
 *
 * @author marco.petris@web.de
 */
@Theme("dhconvalidator")
@PreserveOnRefresh
// @Push(value=PushMode.MANUAL, transport=Transport.LONG_POLLING)
public class DHConvalidatorServices extends UI {

    private BackgroundService backgroundService;

    @Override
    protected void init(VaadinRequest request) {

        Messages.setLocaleProvider(VaadinSessionLocaleProvider.INSTANCE);

        backgroundService = new UIBackgroundService(false);

        // are we logged in?
        if ((VaadinSession.getCurrent().getAttribute(SessionStorageKey.USER.name())) == null) {
            // no, show login box then
            setContent(new LoginPanel());
            Page.getCurrent().setTitle(Messages.getString("DHConvalidatorServices.loginTitle"));
        } else {
            // add available services and navigation
            Navigator navigator = new Navigator(this, this);
            navigator.addView("", new ServiceSelectionPanel());
            navigator.addView(ServicesViewName.odt.name(), new PaperSelectionPanel(new OdtInputConverter()));
            navigator.addView(ServicesViewName.docx.name(), new PaperSelectionPanel(new DocxInputConverter()));
            navigator.addView(ServicesViewName.converter.name(), new ConverterPanel());
            navigator.addView(ServicesViewName.templates.name(), new TemplateGeneratorPanel());
            navigator.addView(ServicesViewName.conftoolupload.name(), new ConfToolUploadPanel());

            // the visual feedback may reference external resources like images
            // the ExternalResourceRequestHandler serves those external resources from
            // the ZipResult of the conversion process
            try {
                VaadinSession.getCurrent().addRequestHandler(
                        new ExternalResourceRequestHandler(PropertyKey.tei_image_location.getValue()));
            } catch (IOException e) {
                throw new IllegalStateException(Messages.getString("DHConvalidatorServices.errorExampleFiles"), e);
            }
            Page.getCurrent().setTitle(Messages.getString("DHConvalidatorServices.servicesTitle"));
        }
    }

    /** @return a sevice that allows background execution */
    public BackgroundService getBackgroundService() {
        return backgroundService;
    }
}