Java tutorial
/** * 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.wiki.internal.upgrade.v1_0_0; import com.liferay.portal.kernel.portlet.PortletPreferencesFactoryUtil; import com.liferay.portal.kernel.upgrade.BaseUpgradePortletPreferences; import com.liferay.portal.kernel.util.StringPool; import com.liferay.portal.kernel.util.Validator; import com.liferay.wiki.constants.WikiPortletKeys; import javax.portlet.PortletPreferences; import javax.portlet.ReadOnlyException; /** * @author Ivn Zaera */ public class UpgradePortletPreferences extends BaseUpgradePortletPreferences { protected String getEmailSignatureSeparator(PortletPreferences portletPreferences) { return StringPool.NEW_LINE; } @Override protected String[] getPortletIds() { return new String[] { WikiPortletKeys.WIKI }; } protected void upgradeEmailSignature(PortletPreferences portletPreferences, String emailMessageBodyPortletPreferencesKey, String emailMessageSignaturePortletPreferencesKey) throws ReadOnlyException { String emailMessageSignature = portletPreferences.getValue(emailMessageSignaturePortletPreferencesKey, StringPool.BLANK); if (Validator.isNotNull(emailMessageSignature)) { String emailMessageBody = portletPreferences.getValue(emailMessageBodyPortletPreferencesKey, StringPool.BLANK); String signatureSeparator = getEmailSignatureSeparator(portletPreferences); emailMessageBody += signatureSeparator + emailMessageSignature; portletPreferences.setValue(emailMessageBodyPortletPreferencesKey, emailMessageBody); } portletPreferences.reset(emailMessageSignaturePortletPreferencesKey); } @Override protected String upgradePreferences(long companyId, long ownerId, int ownerType, long plid, String portletId, String xml) throws Exception { PortletPreferences portletPreferences = PortletPreferencesFactoryUtil.fromXML(companyId, ownerId, ownerType, plid, portletId, xml); upgradeEmailSignature(portletPreferences, "emailPageAddedBody", "emailPageAddedSignature"); upgradeEmailSignature(portletPreferences, "emailPageUpdatedBody", "emailPageUpdatedSignature"); return PortletPreferencesFactoryUtil.toXML(portletPreferences); } }