Example usage for org.aspectj.lang ProceedingJoinPoint getTarget

Introduction

In this page you can find the example usage for org.aspectj.lang ProceedingJoinPoint getTarget.

Prototype

Object getTarget();

Source Link

Document

Returns the target object.

Usage

From source file:validation.ValidationInterceptor.java

License:Apache License

@Around("execution(public * *(..)) && @within(validation.AutoValidating)")
public Object validateMethodInvocation(ProceedingJoinPoint pjp) throws Throwable {
    Object result;//  ww  w  . j a va  2 s .com
    MethodSignature signature = (MethodSignature) pjp.getSignature();
    MethodValidator methodValidator = validator.unwrap(MethodValidator.class);

    Set<MethodConstraintViolation<Object>> parametersViolations = methodValidator
            .validateAllParameters(pjp.getTarget(), signature.getMethod(), pjp.getArgs());
    if (!parametersViolations.isEmpty()) {
        throw new MethodConstraintViolationException(parametersViolations);
    }

    result = pjp.proceed(); //Execute the method

    Set<MethodConstraintViolation<Object>> returnValueViolations = methodValidator
            .validateReturnValue(pjp.getTarget(), signature.getMethod(), result);
    if (!returnValueViolations.isEmpty()) {
        throw new MethodConstraintViolationException(returnValueViolations);
    }

    return result;
}