AOP

Author: naturalprogrammer

src/main/java/com/naturalprogrammer/spring/tutorial/aop/RequestMonitor.java

@@ -0,0 +1,31 @@
+package com.naturalprogrammer.spring.tutorial.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 final Log log = LogFactory.getLog(RequestMonitor.class);
+
+	@Around("within(com.naturalprogrammer.spring.tutorial.controllers.*)")
+	public Object wrap(ProceedingJoinPoint pjp) throws Throwable {
+
+		log.info("Before handler '"
+				+ pjp.getSignature().getName() + "'. Thread "
+				+ Thread.currentThread().getName()); // toString gives more info
+
+		Object retVal = pjp.proceed();
+
+		log.info("Handler '"
+				+ pjp.getSignature().getName()
+				+ "' execution successful");
+
+		return retVal;	    
+	}	
+}