Java tutorial
/** * This file is part of mycollab-services. * * mycollab-services is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * mycollab-services 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with mycollab-services. If not, see <http://www.gnu.org/licenses/>. */ package com.esofthead.mycollab.common.interceptor.aspect; import com.esofthead.mycollab.common.ActivityStreamConstants; import com.esofthead.mycollab.common.domain.ActivityStreamWithBLOBs; import com.esofthead.mycollab.common.service.ActivityStreamService; import com.esofthead.mycollab.core.utils.DateTimeUtils; import org.apache.commons.beanutils.PropertyUtils; import org.aspectj.lang.JoinPoint; import org.aspectj.lang.annotation.AfterReturning; import org.aspectj.lang.annotation.Aspect; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.aop.framework.Advised; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import java.lang.reflect.InvocationTargetException; import java.util.Date; import java.util.GregorianCalendar; /** * @author MyCollab Ltd. * @since 1.0 */ @Aspect @Component public class TraceableAspect { private static final Logger LOG = LoggerFactory.getLogger(TraceableAspect.class); @Autowired private ActivityStreamService activityStreamService; @AfterReturning("execution(public * com.esofthead.mycollab..service..*.saveWithSession(..)) && args(bean, username)") public void traceSaveActivity(JoinPoint joinPoint, Object bean, String username) { Advised advised = (Advised) joinPoint.getThis(); Class<?> cls = advised.getTargetSource().getTargetClass(); Traceable traceableAnnotation = cls.getAnnotation(Traceable.class); if (traceableAnnotation != null) { try { ActivityStreamWithBLOBs activity = constructActivity(cls, traceableAnnotation, bean, username, ActivityStreamConstants.ACTION_CREATE); activityStreamService.save(activity); } catch (Exception e) { LOG.error("Error when save activity for save action of service " + cls.getName(), e); } } } static ActivityStreamWithBLOBs constructActivity(Class<?> cls, Traceable traceableAnnotation, Object bean, String username, String action) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { ActivityStreamWithBLOBs activity = new ActivityStreamWithBLOBs(); activity.setModule(ClassInfoMap.getModule(cls)); activity.setType(ClassInfoMap.getType(cls)); activity.setTypeid(String.valueOf(PropertyUtils.getProperty(bean, traceableAnnotation.idField()))); activity.setCreatedtime(new GregorianCalendar().getTime()); activity.setAction(action); activity.setSaccountid((Integer) PropertyUtils.getProperty(bean, "saccountid")); activity.setCreateduser(username); Object nameObj = PropertyUtils.getProperty(bean, traceableAnnotation.nameField()); String nameField; if (nameObj instanceof Date) { nameField = DateTimeUtils.formatDate((Date) nameObj, "MM/dd/yyyy"); } else { nameField = nameObj.toString(); } activity.setNamefield(nameField); if (!"".equals(traceableAnnotation.extraFieldName())) { Integer extraTypeId = (Integer) PropertyUtils.getProperty(bean, traceableAnnotation.extraFieldName()); activity.setExtratypeid(extraTypeId); } return activity; } }