ImportFromConfigPresenter.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.ide.factory.json;

import com.google.gwt.json.client.JSONException;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.inject.Inject;

import org.eclipse.che.api.factory.shared.dto.FactoryDto;
import org.eclipse.che.ide.CoreLocalizationConstant;
import org.eclipse.che.ide.api.notification.NotificationManager;
import org.eclipse.che.ide.api.notification.StatusNotification;
import org.eclipse.che.ide.dto.DtoFactory;
import org.eclipse.che.ide.factory.utils.FactoryProjectImporter;

import static org.eclipse.che.ide.api.notification.StatusNotification.DisplayMode.NOT_EMERGE_MODE;

/**
 * Imports project from factory.json file
 *
 * @author Sergii Leschenko
 */
public class ImportFromConfigPresenter implements ImportFromConfigView.ActionDelegate {
    private final CoreLocalizationConstant localizationConstant;
    private final ImportFromConfigView     view;
    private final NotificationManager      notificationManager;
    private final DtoFactory               dtoFactory;
    private final FactoryProjectImporter   projectImporter;
    private final AsyncCallback<Void>      importerCallback;

    private StatusNotification notification;

    @Inject
    public ImportFromConfigPresenter(final CoreLocalizationConstant localizationConstant,
                                     FactoryProjectImporter projectImporter,
                                     ImportFromConfigView view,
                                     NotificationManager notificationManager,
                                     DtoFactory dtoFactory) {
        this.localizationConstant = localizationConstant;
        this.notificationManager = notificationManager;
        this.view = view;
        this.dtoFactory = dtoFactory;
        this.view.setDelegate(this);
        this.projectImporter = projectImporter;

        importerCallback = new AsyncCallback<Void>() {
            @Override
            public void onSuccess(Void result) {
                notification.setContent(localizationConstant.clonedSource(null));
                notification.setStatus(StatusNotification.Status.SUCCESS);
            }

            @Override
            public void onFailure(Throwable throwable) {
                notification.setContent(throwable.getMessage());
                notification.setStatus(StatusNotification.Status.FAIL);
            }
        };
    }

    /** Show dialog. */
    public void showDialog() {
        view.setEnabledImportButton(false);
        view.showDialog();
    }

    /** {@inheritDoc} */
    @Override
    public void onCancelClicked() {
        view.closeDialog();
    }

    /** {@inheritDoc} */
    @Override
    public void onImportClicked() {
        view.closeDialog();
        FactoryDto factoryJson;
        try {
            factoryJson = dtoFactory.createDtoFromJson(view.getFileContent(), FactoryDto.class);
        } catch (JSONException jsonException) {
            notification.setStatus(StatusNotification.Status.FAIL);
            notification.setContent("Error parsing factory object.");
            return;
        }

        notification = notificationManager.notify(localizationConstant.cloningSource(), null, StatusNotification.Status.PROGRESS, NOT_EMERGE_MODE);
        projectImporter.startImporting(factoryJson, importerCallback);
    }


    @Override
    public void onErrorReadingFile(String errorMessage) {
        view.setEnabledImportButton(false);
        notification.setStatus(StatusNotification.Status.FAIL);
        notification.setContent(errorMessage);
    }
}