org.smallmind.web.jersey.aop.ResourceMethodAspect.java Source code

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Here is the source code for org.smallmind.web.jersey.aop.ResourceMethodAspect.java

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/*
 * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 David Berkman
 * 
 * This file is part of the SmallMind Code Project.
 * 
 * The SmallMind Code Project is free software, you can redistribute
 * it and/or modify it under the terms of 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.
 * 
 * The SmallMind Code Project 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 the GNU Affero General Public
 * License, along with the SmallMind Code Project. If not, see
 * <http://www.gnu.org/licenses/>.
 * 
 * Additional permission under the GNU Affero GPL version 3 section 7
 * ------------------------------------------------------------------
 * If you modify this Program, or any covered work, by linking or
 * combining it with other code, such other code is not for that reason
 * alone subject to any of the requirements of the GNU Affero GPL
 * version 3.
 */
package org.smallmind.web.jersey.aop;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.reflect.MethodSignature;

@Aspect
public class ResourceMethodAspect {

    @Around(value = "execution(@org.smallmind.web.jersey.aop.ResourceMethod * * (..)) && @annotation(resourceMethod)", argNames = "thisJoinPoint, entityType")
    public Object aroundEntityTypeMethod(ProceedingJoinPoint thisJoinPoint, ResourceMethod resourceMethod)
            throws Throwable {

        try {

            Object returnValue;

            if (resourceMethod.validate()) {
                EntityValidator.validateParameters(thisJoinPoint.getTarget(),
                        ((MethodSignature) thisJoinPoint.getSignature()).getMethod(), thisJoinPoint.getArgs());
            }

            returnValue = thisJoinPoint.proceed();

            if (resourceMethod.validate()) {
                EntityValidator.validateReturnValue(thisJoinPoint.getTarget(),
                        ((MethodSignature) thisJoinPoint.getSignature()).getMethod(), returnValue);
            }

            return returnValue;
        } finally {
            EntityTranslator.clearEntity();
        }
    }
}