Building Applications with Spring 5 and Vue.js 2

Pointcuts

In AOP, a pointcut is a predate that matches join points. The value of the @Around annotation, "execution(* app.messages..*.*(..))", from the preceding example is a pointcut expression, which specifies when the checkSecurity() around advice should be fired. You can also use the @Pointcut annotation to declare a pointcut signature, as follows:

@Aspect@Componentpublic class SecurityChecker {  @Pointcut("execution(* app.messages..*.*(..))")   public void everyMessageMethod() {}  @Around("everyMessageMethod()")  public Object checkSecurity (ProceedingJoinPoint joinPoint) {    ...  }}

In the SecurityChecker aspect, we create an everyMessageMethod() public method and annotate it with the @Pointcut annotation. Since we only define a pointcut signature ...