AoP

Author: naturalprogrammer

src/main/java/com/naturalprogrammer/spring5tutorial/aop/RequestMonitor.java

@@ -0,0 +1,29 @@
+package com.naturalprogrammer.spring5tutorial.aop;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.springframework.stereotype.Component;
+
+@Component
+@Aspect
+public class RequestMonitor {
+	
+	private static Log log = LogFactory.getLog(RequestMonitor.class);
+
+	@Around("within(com.naturalprogrammer.spring5tutorial.controllers.*)")
+	public Object wrap(ProceedingJoinPoint pjp) throws Throwable {
+		
+		log.info("Before handler " + pjp.getSignature().getName()
+				+ ". Thread " + Thread.currentThread().getName());
+		
+		Object retval = pjp.proceed();
+		
+		log.info("Handler " + pjp.getSignature().getName()
+				+ " execution successful.");
+		
+		return retval;
+	}
+}