org.linuxprobe.luava.springmvc.exception.UniversalExceptionHandler Maven / Gradle / Ivy
package org.linuxprobe.luava.springmvc.exception;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.linuxprobe.luava.http.HttpServletUtils;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.ModelAndView;
import lombok.extern.slf4j.Slf4j;
/**
* 通用异常处理,
* 请在实现类上注解{@link org.springframework.web.bind.annotation.ControllerAdvice}
*/
@ResponseBody
@Slf4j
public abstract class UniversalExceptionHandler {
/**
* 处理ajax请求异常
*/
public abstract Object handleAjaxRequest(HttpServletRequest request, HttpServletResponse response,
HandlerMethod handler, Throwable exception);
/**
* 处理非ajax请求异常
*/
public Object handleOtherRequest(HttpServletRequest request, HttpServletResponse response, HandlerMethod handler,
Throwable exception) {
return this.handleAjaxRequest(request, response, handler, exception);
}
@ExceptionHandler(Throwable.class)
public Object handleMissingServletRequestParameterException(HttpServletRequest request,
HttpServletResponse response, Throwable exception, HandlerMethod handlerMethod) {
if (log.isErrorEnabled()) {
log.error("", exception);
}
boolean isResponseBody = false;
Class returnType = handlerMethod.getMethod().getReturnType();
Class handlerType = handlerMethod.getBeanType();
if (handlerType.isAnnotationPresent(RestController.class)) {
/** 如果不是返回modelAndView */
if (!returnType.isAssignableFrom(ModelAndView.class)) {
if (handlerMethod.getMethod().isAnnotationPresent(ResponseBody.class)) {
isResponseBody = true;
}
}
} else if (handlerType.isAnnotationPresent(Controller.class)
&& handlerType.isAnnotationPresent(ResponseBody.class)) {
isResponseBody = true;
}
if (isResponseBody || HttpServletUtils.isAjax(request)) {
return this.handleAjaxRequest(request, response, handlerMethod, exception);
} else {
return this.handleOtherRequest(request, response, handlerMethod, exception);
}
}
}