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spring boot aop

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Innocent Iguana answered on October 11, 2022 Popularity 10/10 Helpfulness 3/10

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spring boot aop

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// pom.xml dependencies for AspectJ and Logging
<dependencies>
    <!-- Spring dependencies -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-aop</artifactId>
    </dependency>

    <!-- Logging dependencies -->
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
    </dependency>
    <dependency>
        <groupId>ch.qos.logback</groupId>
        <artifactId>logback-classic</artifactId>
    </dependency>
</dependencies>

// ApplicationConfig.java for ApplicationContext configuration
@Configuration
@ComponentScan(basePackages = "com.example.myapp")
@EnableAspectJAutoProxy
public class ApplicationConfig {
}

// Custom annotation to use as PointCut trigger
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface LogThis {
}

// Service class as Joinpoint : Where the Aspected behavior is applied through annotation
@Service
public class MyService {

    @LogThis
    public void doSomething() {
        System.out.println("Doing something...");
    }
}

// The aspect class advises : The custom behavior that is applied to the JoinPoints through annotation calls
@Aspect
@Component
public class LoggingAspect {

    @Pointcut("@annotation(com.example.myapp.annotation.LogThis)") // Setting up the annotation as pointcut
    private void logThisMethods() {} // Root advise method

    @Before("logThisMethods()") // this method will be called before root advise method
    public void logBefore(JoinPoint joinPoint) {
        System.out.println("Before executing " + joinPoint.getSignature().toShortString());
    }

    @After("logThisMethods()") // this method will be called after root advise method
    public void logAfter(JoinPoint joinPoint) {
        System.out.println("After executing " + joinPoint.getSignature().toShortString());
    }

    @Around("logThisMethods()") // FLEXIBLE: take care before, after and during exception while processing root advise method 
    public Object logAround(ProceedingJoinPoint joinPoint) throws Throwable {
        System.out.println("Before executing " + joinPoint.getSignature().toShortString());
        Object result = joinPoint.proceed();
        System.out.println("After executing " + joinPoint.getSignature().toShortString());
        return result;
    }

    @AfterReturning(pointcut = "logThisMethods()", returning = "result")  // this method will be called after root advise method
    public void logAfterReturning(JoinPoint joinPoint, Object result) {
        System.out.println("After returning from " + joinPoint.getSignature().toShortString() + ", result: " + result);
    }

    @AfterThrowing(pointcut = "logThisMethods()", throwing = "exception") // this method will take care any method exception
    public void logAfterThrowing(JoinPoint joinPoint, Throwable exception) {
        System.out.println("After throwing exception from " + joinPoint.getSignature().toShortString() + ", exception: " + exception.getMessage());
    }
}

Popularity 10/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: aop java spring-boot

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Contributed on Feb 25 2024

Innocent Iguana

0 Answers Avg Quality 2/10

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spring aop

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<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-aop</artifactId>
</dependency>

Popularity 10/10 Helpfulness 2/10 Language java

Source: gayerie.dev

Tags: java

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Contributed on Oct 11 2022

ibrahima seye

0 Answers Avg Quality 2/10

spring aop

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package dev.gayerie;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.stereotype.Component;

@Aspect
@Component
public class LogAspect {

  @Before("execution(public * dev.gayerie.*Service.*(..))")
  public void log(JoinPoint joinPoint) {
    System.out.printf("Appel de %s avec %d paramètres%n",
                      joinPoint.toShortString(),
                      joinPoint.getArgs().length);
  }

}

Popularity 9/10 Helpfulness 2/10 Language java

Source: gayerie.dev

Tags: java

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Contributed on Oct 11 2022

ibrahima seye

0 Answers Avg Quality 2/10

spring aop

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package dev.gayerie;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface Supervision {

  int dureeMillis();

}

Popularity 9/10 Helpfulness 2/10 Language java

Source: gayerie.dev

Tags: java

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Contributed on Oct 11 2022

ibrahima seye

0 Answers Avg Quality 2/10

spring aop

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package dev.gayerie;

import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;

@EnableAspectJAutoProxy
@Configuration
@ComponentScan
public class Application {

  public static void main(String[] args) throws InterruptedException {
    try (AnnotationConfigApplicationContext appCtx =
                  new AnnotationConfigApplicationContext(Application.class)) {
      // ...
    }
  }

}

Popularity 9/10 Helpfulness 2/10 Language java

Source: gayerie.dev

Tags: java

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Contributed on Oct 11 2022

ibrahima seye

0 Answers Avg Quality 2/10

How to Implement AOP in Spring Boot?

Comment

@Aspect
@Component
public class LoggingAspect 
{
    @Around("execution(* com.howtodoinjava.aop..*(..)))")
    public Object profileAllMethods(
        ProceedingJoinPoint proceedingJoinPoint) throws Throwable 
    {
        MethodSignature methodSignature = 
            (MethodSignature) proceedingJoinPoint.getSignature();
        //...
    }
}

Popularity 9/10 Helpfulness 1/10 Language java

Source: howtodoinjava.com

Tags: aop

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Contributed on Dec 30 2022

Deepika Sahu

0 Answers Avg Quality 2/10

spring aop

Comment

package dev.gayerie.aop;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.springframework.stereotype.Component;

@Aspect
@Component
public class SupervisionAspect {

  @Around("@annotation(supervision)")
  public Object superviser(ProceedingJoinPoint joinPoint, Supervision supervision)
                      throws Throwable {
    long maxDuree = supervision.dureeMillis();
    long start = System.currentTimeMillis();
    try {
      return joinPoint.proceed(joinPoint.getArgs());
    } finally {
      long end = System.currentTimeMillis();
      long duree = end - start;
      if (duree > maxDuree) {
        System.out.printf("Attention l'appel à %s à durée %dms soit %dms de plus qu'attendu%n",
                          joinPoint.toShortString(), duree, duree - maxDuree);
      }
    }
  }

}

Popularity 9/10 Helpfulness 1/10 Language java

Source: gayerie.dev

Tags: java

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Contributed on Oct 11 2022

ibrahima seye

0 Answers Avg Quality 2/10

spring aop

Comment

package dev.gayerie;

import org.springframework.stereotype.Service;

@Service
public class BusinessService {

  @Supervision(dureeMillis = 5)
  public void doSomething() {
    System.out.println("réalise un traitement important pour l'application");
    // ...
  }

}

Popularity 9/10 Helpfulness 1/10 Language java

Source: gayerie.dev

Tags: java

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Contributed on Oct 11 2022

ibrahima seye

0 Answers Avg Quality 2/10

spring boot aop

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