org.jdal.audit.Auditor.java Source code

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Here is the source code for org.jdal.audit.Auditor.java

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/*
 * Copyright 2008-2010 the original author or authors.
 *
 * 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.jdal.audit;

import java.util.Date;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.aspectj.lang.ProceedingJoinPoint;

/**
 * Auditor AOP Around advice to audit modifications on auditable models
 *  
 * @author Jose Luis Martin.
 * @since 1.0
 */
public class Auditor extends AbstractAuditor {

    /** log */
    private static final Log LOG = LogFactory.getLog(Auditor.class);

    /**
     * Around advice to audit auditable models
     * 
     * @param pjp to pjp
     * @return object result
     * @throws Throwable Exception
     */
    public Object audit(ProceedingJoinPoint pjp) throws Throwable {
        LOG.debug("Auditing on method: " + pjp.toShortString());
        Object result = pjp.proceed();
        if (pjp.getTarget() instanceof Auditable) {
            Auditable auditable = (Auditable) (pjp.getTarget());
            audit(auditable);
        } else {
            LOG.warn("Tried to audit a non-auditable object. Check your "
                    + "AOP configuration on applicationContext.xml");
        }
        return result;
    }

    /** 
     * Audit an auditable model 
     * 
     * @param auditable auditable model
     */
    protected void audit(Auditable auditable) {
        Date date = new Date();
        auditable.setModificationDate(date);
        auditable.setModificationUser(getUser());
    }

}