PageRatingsPortletDataHandler.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.ratings.internal.page.ratings.exportimport.data.handler;

import com.liferay.exportimport.kernel.lar.BasePortletDataHandler;
import com.liferay.exportimport.kernel.lar.ExportImportProcessCallbackRegistryUtil;
import com.liferay.exportimport.kernel.lar.PortletDataContext;
import com.liferay.exportimport.kernel.lar.PortletDataHandler;
import com.liferay.exportimport.kernel.lar.PortletDataHandlerBoolean;
import com.liferay.exportimport.kernel.lar.StagedModelDataHandlerUtil;
import com.liferay.exportimport.kernel.lar.StagedModelType;
import com.liferay.portal.kernel.dao.orm.ActionableDynamicQuery;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.xml.Element;
import com.liferay.ratings.kernel.model.RatingsEntry;
import com.liferay.ratings.kernel.service.RatingsEntryLocalService;
import com.liferay.ratings.page.ratings.constants.PageRatingsPortletKeys;

import java.util.List;
import java.util.concurrent.Callable;

import javax.portlet.PortletPreferences;

import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Gergely Mathe
 */
@Component(
	property = {"javax.portlet.name=" + PageRatingsPortletKeys.PAGE_RATINGS},
	service = PortletDataHandler.class
)
public class PageRatingsPortletDataHandler extends BasePortletDataHandler {

	public static final String NAMESPACE = "ratings";

	public static final String SCHEMA_VERSION = "1.0.0";

	@Override
	public String getSchemaVersion() {
		return SCHEMA_VERSION;
	}

	@Activate
	protected void activate() {
		setDataAlwaysStaged(true);
		setDeletionSystemEventStagedModelTypes(
			new StagedModelType(RatingsEntry.class));
		setExportControls(
			new PortletDataHandlerBoolean(
				NAMESPACE, "ratings-entries", true, false, null,
				RatingsEntry.class.getName(),
				StagedModelType.REFERRER_CLASS_NAME_ALL));
		setImportControls(getExportControls());
		setPublishToLiveByDefault(true);
	}

	@Override
	protected String doExportData(
			final PortletDataContext portletDataContext, String portletId,
			PortletPreferences portletPreferences)
		throws Exception {

		Element rootElement = addExportDataRootElement(portletDataContext);

		if (!portletDataContext.getBooleanParameter(
				NAMESPACE, "ratings-entries")) {

			return getExportDataRootElementString(rootElement);
		}

		ActionableDynamicQuery actionableDynamicQuery =
			_ratingsEntryLocalService.getExportActionableDynamicQuery(
				portletDataContext);

		actionableDynamicQuery.performActions();

		return getExportDataRootElementString(rootElement);
	}

	@Override
	protected PortletPreferences doImportData(
			PortletDataContext portletDataContext, String portletId,
			PortletPreferences portletPreferences, String data)
		throws Exception {

		ExportImportProcessCallbackRegistryUtil.registerCallback(
			new ImportRatingsCallable(portletDataContext));

		return null;
	}

	@Override
	protected void doPrepareManifestSummary(
			final PortletDataContext portletDataContext,
			PortletPreferences portletPreferences)
		throws Exception {

		ActionableDynamicQuery actionableDynamicQuery =
			_ratingsEntryLocalService.getExportActionableDynamicQuery(
				portletDataContext);

		actionableDynamicQuery.performCount();
	}

	@Reference(unbind = "-")
	protected void setRatingsEntryLocalService(
		RatingsEntryLocalService ratingsEntryLocalService) {

		_ratingsEntryLocalService = ratingsEntryLocalService;
	}

	private RatingsEntryLocalService _ratingsEntryLocalService;

	private static class ImportRatingsCallable implements Callable<Void> {

		public ImportRatingsCallable(PortletDataContext portletDataContext) {
			_portletDataContext = portletDataContext;
		}

		@Override
		public Void call() throws PortalException {
			if (!_portletDataContext.getBooleanParameter(
					NAMESPACE, "ratings-entries")) {

				return null;
			}

			Element entriesElement =
				_portletDataContext.getImportDataGroupElement(
					RatingsEntry.class);

			List<Element> entryElements = entriesElement.elements();

			for (Element entryElement : entryElements) {
				StagedModelDataHandlerUtil.importStagedModel(
					_portletDataContext, entryElement);
			}

			return null;
		}

		private final PortletDataContext _portletDataContext;

	}

}