From de04e5e85682717ae89ea7849a909fa4366b84f3 Mon Sep 17 00:00:00 2001
From: jdegand <70610011+jdegand@users.noreply.github.com>
Date: Sun, 28 May 2023 14:39:31 -0400
Subject: [PATCH] LoggerAOPadded

---
 README.md             | 11 +++++++++-
 Spring/LoggerAOP.java | 48 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100644 Spring/LoggerAOP.java

diff --git a/README.md b/README.md
index 3e82e23..0c8d01a 100644
--- a/README.md
+++ b/README.md
@@ -19,4 +19,13 @@
 - [Stack Overflow](https://stackoverflow.com/questions/8247970/using-like-wildcard-in-prepared-statement) - using like wildcard in prepared statement
 - [Mkyong](https://mkyong.com/spring/spring-jdbctemplate-querying-examples/) - jdbctemplate querying examples
 - [Spring Docs](https://docs.spring.io/spring-framework/reference/integration/scheduling.html) - scheduling
-- [Stack Overflow](https://stackoverflow.com/questions/29832122/create-a-new-instance-of-component-in-spring-boot-framework) - create new instance of component in spring boot
\ No newline at end of file
+- [Stack Overflow](https://stackoverflow.com/questions/29832122/create-a-new-instance-of-component-in-spring-boot-framework) - create new instance of component in spring boot
+- [Medium](https://medium.com/@KosteRico/spring-aop-in-2021-level-up-your-logging-8d1498242ba2) - level up your logging
+- [Baeldung](https://www.baeldung.com/spring-boot-logging) - spring boot logging
+- [Baeldung](https://www.baeldung.com/spring-aop) - spring aop
+- [Spring Docs](https://docs.spring.io/spring-framework/docs/2.0.x/reference/aop.html) - aop
+- [Eclipse](https://www.eclipse.org/aspectj/doc/released/runtime-api/org/aspectj/lang/JoinPoint.html#getArgs%28%29) - JoinPoint
+- [Nickolas Fisher](https://nickolasfisher.com/blog/How-to-Use-Springs-Aspect-Oriented-Programming-to-log-all-Public-Methods) - AOP to log all public methods
+- [Spring Docs](https://docs.spring.io/spring-framework/reference/core/aop/ataspectj/advice.html#aop-ataspectj-around-advice) - declaring advice
+- [Stack Overflow](https://stackoverflow.com/questions/44635757/spring-4-join-point-to-get-method-argument-names-and-values) - spring 4 join point to get method argument names and values
+- [Stack Overflow](https://stackoverflow.com/questions/64571161/use-aop-in-a-spring-boot-app-to-log-methods-calls-and-their-parameters) - use aop in spring boot to log method calls and their parameters
\ No newline at end of file
diff --git a/Spring/LoggerAOP.java b/Spring/LoggerAOP.java
new file mode 100644
index 0000000..45dc2c0
--- /dev/null
+++ b/Spring/LoggerAOP.java
@@ -0,0 +1,48 @@
+import org.aspectj.lang.*;
+import org.aspectj.lang.annotation.*;
+import org.springframework.context.annotation.*;
+import org.springframework.stereotype.Component;
+import org.springframework.beans.factory.annotation.*;
+import java.lang.annotation.*;
+import java.util.*;
+
+@Aspect
+@Component
+public class LoggerAOP {
+    @Autowired private Logger logger;
+    
+    @Around("execution(public * *(..)) && @annotation(LogExecution)")
+    public void loggingAdvice(JoinPoint jp) {
+      String method = jp.getSignature().getName();
+      logger.log(method);
+    }
+}
+
+@Component
+class NameRepository {
+    @LogExecution
+    public List<String> getNames() {
+        List<String> names = new ArrayList<>();
+        names.add("John");
+        names.add("Mary");
+        return names;
+    }
+}
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+@interface LogExecution {}
+
+interface Logger {
+    public void log(String data);
+}
+
+@Configuration
+@EnableAspectJAutoProxy
+@Import({LoggerAOP.class, NameRepository.class})
+class Config {
+    @Bean
+    public Logger logger() {
+        return (message) -> System.out.println(message);
+    }
+}
\ No newline at end of file