Spring Framework example source code file (AbstractTraceAspect.java)

This example Spring Framework source code file (AbstractTraceAspect.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

abstracttraceaspect, abstracttraceaspect, aspect, aspect, before, entering, entering, log, pointcut, pointcut

The Spring Framework AbstractTraceAspect.java source code

package org.springframework.samples.petclinic.aspects;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;

/**
 * Aspect to illustrate Spring-driven load-time weaving.
 *
 * @author Ramnivas Laddad
 * @since 2.5
 */
@Aspect
public abstract class AbstractTraceAspect {

	private static final Log logger = LogFactory.getLog(AbstractTraceAspect.class);
	
	@Pointcut
	public abstract void traced();
	
	@Before("traced()")
	public void trace(JoinPoint.StaticPart jpsp) {
		if (logger.isTraceEnabled()) {
			logger.trace("Entering " + jpsp.getSignature().toLongString());
		}
	}

}