Filter->Interceptor->Controller Advice->Aspect->controller

Filter: 

 

//creat filter
public class TimeFilter implements Filter {

	@Override
	public void destroy() {
		System.out.println("time filter destroy");
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		System.out.println("time filter start");
		long start = new Date().getTime();
		chain.doFilter(request, response);
		System.out.println("time filter 耗时:"+ (new Date().getTime() - start));
		System.out.println("time filter finish");
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		System.out.println("time filter init");
	}
}

//regist filter add filter url
@Configuration
public class WebConfig {
	@Bean
	public FilterRegistrationBean timeFilter() {
		FilterRegistrationBean registrationBean = new FilterRegistrationBean();
		TimeFilter timeFilter = new TimeFilter();
		registrationBean.setFilter(timeFilter);
		List<String> urls = new ArrayList<>();
		urls.add("/*");
		registrationBean.setUrlPatterns(urls);
		return registrationBean;
	}
}

 Interceptor:

//creat 
@Component
public class TimeInterceptor implements HandlerInterceptor {

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
			throws Exception {
		System.out.println("preHandle");
		
		System.out.println(((HandlerMethod)handler).getBean().getClass().getName());
		System.out.println(((HandlerMethod)handler).getMethod().getName());
		
		request.setAttribute("startTime", new Date().getTime());
		return true;
	}

	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
			ModelAndView modelAndView) throws Exception {
		System.out.println("postHandle");
		Long start = (Long) request.getAttribute("startTime");
		System.out.println("time interceptor 耗时:"+ (new Date().getTime() - start));

	}

	@Override
	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
			throws Exception {
		System.out.println("afterCompletion");
		Long start = (Long) request.getAttribute("startTime");
		System.out.println("time interceptor 耗时:"+ (new Date().getTime() - start));
		System.out.println("ex is "+ex);

	}
}

//autowarid
@Configuration
public class WebConfig extends WebMvcConfigurerAdapter {
	
	@SuppressWarnings("unused")
	@Autowired
	private TimeInterceptor timeInterceptor;
	
	@Override
	public void addInterceptors(InterceptorRegistry registry) {
//		registry.addInterceptor(timeInterceptor);
	}
	

}

ControllerAdvice:

//define customer exceptioni
public class UserNotExistException extends RuntimeException {

	private static final long serialVersionUID = -6112780192479692859L;
	
	private String id;
	
	public UserNotExistException(String id) {
		super("user not exist");
		this.id = id;
	}

	public String getId() {
		return id;
	}

	public void setId(String id) {
		this.id = id;
	}
}


// add controllerAdvice
@ControllerAdvice
public class ControllerExceptionHandler {

	@ExceptionHandler(UserNotExistException.class)
	@ResponseBody
	@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
	public Map<String, Object> handleUserNotExistException(UserNotExistException ex) {
		Map<String, Object> result = new HashMap<>();
		result.put("id", ex.getId());
		result.put("message", ex.getMessage());
		return result;
	}
}

Aspect:

@Aspect
@Component
public class TimeAspect {
	
	@Around("execution(*  vip.fkandy.web.controller.UserController.*(..))")
	public Object handleControllerMethod(ProceedingJoinPoint pjp) throws Throwable {
		
		System.out.println("time aspect start");
		
		Object[] args = pjp.getArgs();
		for (Object arg : args) {
			System.out.println("arg is "+arg);
		}
		
		long start = new Date().getTime();
		
		Object object = pjp.proceed();
		
		System.out.println("time aspect 耗时:"+ (new Date().getTime() - start));
		
		System.out.println("time aspect end");
		
		return object;
	}

}