UpgradePortletPreferences.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.portal.upgrade.v6_2_0;

import com.liferay.portal.kernel.dao.jdbc.AutoBatchPreparedStatementUtil;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.upgrade.UpgradeProcess;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.LoggingTimer;
import com.liferay.portal.kernel.util.StringBundler;

import java.sql.PreparedStatement;
import java.sql.ResultSet;

/**
 * @author Julio Camarero
 */
public class UpgradePortletPreferences extends UpgradeProcess {

	protected void deletePortletPreferences() throws Exception {
		try (LoggingTimer loggingTimer = new LoggingTimer()) {
			StringBundler sb = new StringBundler(7);

			sb.append("select PortletPreferences.portletPreferencesId, ");
			sb.append("PortletPreferences.plid,");
			sb.append("PortletPreferences.portletId, Layout.typeSettings ");
			sb.append("from PortletPreferences inner join Layout on ");
			sb.append("PortletPreferences.plid = Layout.plid where ");
			sb.append("preferences like '%<portlet-preferences />%' or ");
			sb.append("preferences like '' or preferences is null");

			String selectSQL = sb.toString();

			String deleteSQL =
				"delete from PortletPreferences where portletPreferencesId = ?";

			try (PreparedStatement ps1 = connection.prepareStatement(selectSQL);
				PreparedStatement ps2 =
					AutoBatchPreparedStatementUtil.autoBatch(
						connection.prepareStatement(deleteSQL));
				ResultSet rs = ps1.executeQuery()) {

				while (rs.next()) {
					long portletPreferencesId = rs.getLong(
						"portletPreferencesId");
					String portletId = GetterUtil.getString(
						rs.getString("portletId"));
					String typeSettings = GetterUtil.getString(
						rs.getString("typeSettings"));

					if (typeSettings.contains(portletId)) {
						continue;
					}

					if (_log.isDebugEnabled()) {
						_log.debug(
							"Deleting portlet preferences " +
								portletPreferencesId);
					}

					ps2.setLong(1, portletPreferencesId);

					ps2.addBatch();
				}

				ps2.executeBatch();
			}
		}
	}

	@Override
	protected void doUpgrade() throws Exception {
		deletePortletPreferences();
	}

	private static final Log _log = LogFactoryUtil.getLog(
		UpgradePortletPreferences.class);

}