PortletDataHandlerHelperImpl.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.exportimport.internal.portlet.data.handler.helper;

import com.liferay.exportimport.portlet.data.handler.helper.PortletDataHandlerHelper;
import com.liferay.portal.kernel.plugin.Version;
import com.liferay.portal.kernel.util.GetterUtil;

import java.util.Objects;

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

/**
 * @author Mate Thurzo
 */
@Component(immediate = true, service = PortletDataHandlerHelper.class)
public class PortletDataHandlerHelperImpl implements PortletDataHandlerHelper {

	@Override
	public boolean validateSchemaVersion(
		String schemaVersion, String portletSchemaVersion) {

		// Major version has to be identical

		Version currentVersion = Version.getInstance(portletSchemaVersion);
		Version importedVersion = Version.getInstance(schemaVersion);

		if (!Objects.equals(
				currentVersion.getMajor(), importedVersion.getMajor())) {

			return false;
		}

		// Imported minor version should be less than or equal to the current
		// minor version

		int currentMinorVersion = GetterUtil.getInteger(
			currentVersion.getMinor(), -1);
		int importedMinorVersion = GetterUtil.getInteger(
			importedVersion.getMinor(), -1);

		if (((currentMinorVersion == -1) && (importedMinorVersion == -1)) ||
			(currentMinorVersion < importedMinorVersion)) {

			return false;
		}

		// Import should be compatible with all minor versions if previous
		// validations pass

		return true;
	}

}