BlogsPortletDataHandler.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.blogs.web.internal.exportimport.data.handler;

import com.liferay.blogs.constants.BlogsConstants;
import com.liferay.blogs.model.BlogsEntry;
import com.liferay.blogs.service.BlogsEntryLocalService;
import com.liferay.blogs.service.BlogsStatsUserLocalService;
import com.liferay.blogs.service.permission.BlogsPermission;
import com.liferay.blogs.web.constants.BlogsPortletKeys;
import com.liferay.exportimport.kernel.lar.BasePortletDataHandler;
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.PortletDataHandlerControl;
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.xml.Element;
import com.liferay.portal.util.PropsValues;

import java.util.List;

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 Bruno Farache
 * @author Raymond Augé
 * @author Juan Fernández
 * @author Zsolt Berentey
 */
@Component(
	property = {
		"javax.portlet.name=" + BlogsPortletKeys.BLOGS,
		"javax.portlet.name=" + BlogsPortletKeys.BLOGS_ADMIN
	},
	service = PortletDataHandler.class
)
public class BlogsPortletDataHandler extends BasePortletDataHandler {

	public static final String NAMESPACE = "blogs";

	public static final String SCHEMA_VERSION = "1.0.0";

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

	@Override
	public String getServiceName() {
		return BlogsConstants.SERVICE_NAME;
	}

	@Activate
	protected void activate() {
		setDeletionSystemEventStagedModelTypes(
			new StagedModelType(BlogsEntry.class));
		setExportControls(
			new PortletDataHandlerBoolean(
				NAMESPACE, "entries", true, false,
				new PortletDataHandlerControl[] {
					new PortletDataHandlerBoolean(
						NAMESPACE, "referenced-content")
				},
				BlogsEntry.class.getName()));
		setPublishToLiveByDefault(PropsValues.BLOGS_PUBLISH_TO_LIVE_BY_DEFAULT);
	}

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

		if (portletDataContext.addPrimaryKey(
				BlogsPortletDataHandler.class, "deleteData")) {

			return portletPreferences;
		}

		_blogsEntryLocalService.deleteEntries(
			portletDataContext.getScopeGroupId());

		_blogsStatsUserLocalService.deleteStatsUserByGroupId(
			portletDataContext.getScopeGroupId());

		return portletPreferences;
	}

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

		Element rootElement = addExportDataRootElement(portletDataContext);

		if (!portletDataContext.getBooleanParameter(NAMESPACE, "entries")) {
			return getExportDataRootElementString(rootElement);
		}

		portletDataContext.addPortletPermissions(BlogsPermission.RESOURCE_NAME);

		rootElement.addAttribute(
			"group-id", String.valueOf(portletDataContext.getScopeGroupId()));

		ActionableDynamicQuery actionableDynamicQuery =
			_blogsEntryLocalService.getExportActionableDynamicQuery(
				portletDataContext);

		actionableDynamicQuery.performActions();

		return getExportDataRootElementString(rootElement);
	}

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

		if (!portletDataContext.getBooleanParameter(NAMESPACE, "entries")) {
			return null;
		}

		portletDataContext.importPortletPermissions(
			BlogsPermission.RESOURCE_NAME);

		Element entriesElement = portletDataContext.getImportDataGroupElement(
			BlogsEntry.class);

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

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

		return null;
	}

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

		ActionableDynamicQuery actionableDynamicQuery =
			_blogsEntryLocalService.getExportActionableDynamicQuery(
				portletDataContext);

		actionableDynamicQuery.performCount();
	}

	@Reference(unbind = "-")
	protected void setBlogsEntryLocalService(
		BlogsEntryLocalService blogsEntryLocalService) {

		_blogsEntryLocalService = blogsEntryLocalService;
	}

	@Reference(unbind = "-")
	protected void setBlogsStatsUserLocalService(
		BlogsStatsUserLocalService blogsStatsUserLocalService) {

		_blogsStatsUserLocalService = blogsStatsUserLocalService;
	}

	private BlogsEntryLocalService _blogsEntryLocalService;
	private BlogsStatsUserLocalService _blogsStatsUserLocalService;

}