AuditAspect.java

/*
 * Copyright (c) 2014-2016 Janith Bandara, This source is a part of
 * Audit4j - An open source auditing framework.
 * http://audit4j.org
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.audit4j.integration.spring;

import java.lang.reflect.Method;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.reflect.MethodSignature;
import org.audit4j.core.AuditManager;
import org.audit4j.core.exception.Audit4jRuntimeException;

/**
 * The Class AuditAspect.
 * 
 * <pre>
 * {@code
 *  
 *     <aop:aspectj-autoproxy>
 *         ...
 *         <aop:include name="auditAspect"/>
 *     </aop:aspectj-autoproxy>
 *     
 *     <bean id="auditAspect" class="org.audit4j.integration.spring.AuditAspect" />
 * 
 * }
 * </pre>
 * 
 * @author <a href="mailto:janith3000@gmail.com">Janith Bandara</a>
 */
@Aspect
public class AuditAspect {

    /**
     * Audit Aspect.
     * 
     * @param jointPoint
     *            the joint point
     * @throws Throwable
     *             the throwable
     */
    @Before("@within(org.audit4j.core.annotation.Audit) || @annotation(org.audit4j.core.annotation.Audit)")
    public void audit(final JoinPoint jointPoint) throws Throwable {

        MethodSignature methodSignature = (MethodSignature) jointPoint.getSignature();
        Method method = methodSignature.getMethod();

        if (method.getDeclaringClass().isInterface()) {
            try {
                method = jointPoint.getTarget().getClass()
                        .getDeclaredMethod(jointPoint.getSignature().getName(), method.getParameterTypes());
            } catch (final SecurityException exception) {
                throw new Audit4jRuntimeException(
                        "Exception occured while proceding Audit Aspect in Audit4j Spring Integration", exception);
            } catch (final NoSuchMethodException exception) {
                throw new Audit4jRuntimeException(
                        "Exception occured while proceding Audit Aspect in Audit4j Spring Integration", exception);
            }
        }

        AuditManager.getInstance().audit(jointPoint.getTarget().getClass(), method, jointPoint.getArgs());
    }
}