Exemplo Interceptor - Spring Boot

InterceptorExemplo.java

import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
@RequiredArgsConstructor
public class WebConfiguration implements WebMvcConfigurer {

  private final MyInterceptor requestInterceptor;

  @Override
  public void addInterceptors(final InterceptorRegistry registry) {
    registry.addInterceptor(requestInterceptor);
  }
}

//-----------------------------------------------------------------------------------------------

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

@Component
public class MyInterceptor extends HandlerInterceptorAdapter {

  @Override
  public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
    System.out.println("Pré handle");
    return super.preHandle(request, response, handler);
  }

  @Override
  public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
    System.out.println("Post handle");
    super.postHandle(request, response, handler, modelAndView);
  }

  @Override
  public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
    System.out.println("After Completion");
    super.afterCompletion(request, response, handler, ex);
  }
}