Java tutorial
/** * *************************************************************************** * Copyright (c) 2010 Qcadoo Limited * Project: Qcadoo MES * Version: 1.3 * * This file is part of Qcadoo. * * Qcadoo is free software; you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published * by the Free Software Foundation; either version 3 of the License, * or (at your option) any later version. * * This program 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * *************************************************************************** */ package com.qcadoo.mes.states.aop; import org.apache.commons.lang3.ArrayUtils; import org.aspectj.lang.ProceedingJoinPoint; import org.aspectj.lang.annotation.Around; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.DeclareWarning; import com.qcadoo.mes.states.annotation.RunInPhase; @Aspect public class RunInPhaseAspect { @DeclareWarning("adviceexecution() && within(com.qcadoo.mes.states.aop.AbstractStateListenerAspect+) && (!@annotation(com.qcadoo.mes.states.annotation.RunInPhase) && !@within(com.qcadoo.mes.states.annotation.RunInPhase))") protected static final String LISTENER_WITHOUT_PHASE_WARNING = "State change listener method should be annotated with @RunInPhase annotation."; @Around("StatesXpiAspect.listenerExecution() && @annotation(annotation) && args(*, currentPhase,..)") public Object runInPhaseMethodLevelAnnotated(final ProceedingJoinPoint pjp, final int currentPhase, final RunInPhase annotation) throws Throwable { return runInPhase(pjp, currentPhase, annotation); } @Around("StatesXpiAspect.listenerExecution() && @within(annotation) && !@annotation(com.qcadoo.mes.states.annotation.RunInPhase) && args(*, currentPhase,..)") public Object runInPhaseClassLevelAnnotated(final ProceedingJoinPoint pjp, final int currentPhase, final RunInPhase annotation) throws Throwable { return runInPhase(pjp, currentPhase, annotation); } private Object runInPhase(final ProceedingJoinPoint pjp, final int currentPhase, final RunInPhase annotation) throws Throwable { Object result = null; if (ArrayUtils.contains(annotation.value(), currentPhase)) { result = pjp.proceed(); } return result; } }