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.rivetlogic.skype.service.impl; import aQute.bnd.annotation.ProviderType; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.exception.SystemException; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.model.User; import com.liferay.portal.kernel.service.UserLocalServiceUtil; import com.liferay.portal.kernel.util.OrderByComparator; import com.rivetlogic.skype.model.SkypeGroup; import com.rivetlogic.skype.service.base.SkypeGroupLocalServiceBaseImpl; import java.util.Calendar; import java.util.Date; import java.util.List; /** * The implementation of the skype group local service. * * <p> * All custom service methods should be put in this class. Whenever methods are added, rerun ServiceBuilder to copy their definitions into the {@link com.rivetlogic.skype.service.SkypeGroupLocalService} interface. * * <p> * This is a local service. Methods of this service will not have security checks based on the propagated JAAS credentials because this service can only be accessed from within the same VM. * </p> * * @author Rivet Logic * @see SkypeGroupLocalServiceBaseImpl * @see com.rivetlogic.skype.service.SkypeGroupLocalServiceUtil */ @ProviderType public class SkypeGroupLocalServiceImpl extends SkypeGroupLocalServiceBaseImpl { /* * NOTE FOR DEVELOPERS: * * Never reference this class directly. Always use {@link com.rivetlogic.skype.service.SkypeGroupLocalServiceUtil} to access the skype group local service. */ private static final Log LOG = LogFactoryUtil.getLog(SkypeGroupLocalServiceImpl.class); public List<SkypeGroup> getSkypeGroupByUserId(Long userId, int start, int end, OrderByComparator obc) throws SystemException { return skypeGroupPersistence.findByUserId(userId, start, end, obc); } public int getSkypeGroupByUserIdCount(Long userId) throws SystemException { return skypeGroupPersistence.countByUserId(userId); } public SkypeGroup createSkypeGroup(SkypeGroup skypeGroup) throws SystemException, PortalException { skypeGroup.setSkypeGroupId(counterLocalService.increment(SkypeGroup.class.getName())); User user = UserLocalServiceUtil.getUser(skypeGroup.getUserId()); Date now = getTodayDate(); skypeGroup.setUserName(user.getScreenName()); skypeGroup.setCreateDate(now); skypeGroup.setModifiedDate(now); skypeGroupPersistence.update(skypeGroup); LOG.debug("New skypeGroup: " + skypeGroup.toJSON()); return skypeGroup; } public SkypeGroup updateSkypeGroup(SkypeGroup skypeGroup) throws SystemException { Date now = getTodayDate(); skypeGroup.setModifiedDate(now); skypeGroupPersistence.update(skypeGroup); LOG.debug("Contacts: " + skypeGroup.getSkypeContacts()); return skypeGroup; } public SkypeGroup findByUserIdAndGroupName(Long userId, String groupName) { SkypeGroup skypeGroup = null; try { skypeGroup = skypeGroupPersistence.findByUserIdAndGroupName(userId, groupName); } catch (Exception e) { } return skypeGroup; } public int countByUserIdAndGroupName(Long userId, String groupName) { int count = 0; try { count = skypeGroupPersistence.countByUserIdAndGroupName(userId, groupName); } catch (SystemException e) { count = -1; LOG.error(e); } return count; } private Date getTodayDate() { Calendar calendar = Calendar.getInstance(); return calendar.getTime(); } }