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| @Slf4j
@RestControllerAdvice(basePackages = {"info.wangyuan.enroll.controller", "info.wangyuan.enroll.controller.admin"})
public class GlobalExceptionHandler {
@ExceptionHandler(Throwable.class)
public Result elegantlyHandleException(HttpServletRequest request, Exception e) {
try {
log.error("--------------- {} start ---------------", e.getClass().getSimpleName());
prettyPrintRequestInfo(request);
log.error(e.getMessage(), e);
log.error("--------------- {} end ---------------", e.getClass().getSimpleName());
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
}
return Result.fail(StatusCodeEnum.UNKNOWN_ERROR);
}
@ExceptionHandler(BusinessException.class)
public Result handleBusinessException(HttpServletRequest request, BusinessException e) {
try {
log.error("--------------- {} start ---------------", e.getClass().getSimpleName());
prettyPrintRequestInfo(request);
log.error(e.getMessage());
log.error("--------------- {} end ---------------", e.getClass().getSimpleName());
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
}
return Result.fail(e.getCode(), e.getMessage());
}
@ExceptionHandler(BindException.class)
public Result handleBindException(HttpServletRequest request, BindException e) {
try {
log.error("--------------- {} start ---------------", e.getClass().getSimpleName());
prettyPrintRequestInfo(request);
log.error(e.getMessage());
log.error("--------------- {} end ---------------", e.getClass().getSimpleName());
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
}
StringJoiner messageJoiner = new StringJoiner("\n");
e.getFieldErrors().stream().forEach(fieldError -> {
messageJoiner.add(fieldError.getDefaultMessage());
});
return Result.fail(StatusCodeEnum.PARAMETER_ERROR.getCode(), messageJoiner.toString());
}
@ExceptionHandler(MethodArgumentNotValidException.class)
public Result handleMethodArgumentNotValidException(HttpServletRequest request, MethodArgumentNotValidException e) {
try {
log.error("--------------- {} start ---------------", e.getClass().getSimpleName());
prettyPrintRequestInfo(request);
log.error(e.getMessage());
log.error("--------------- {} end ---------------", e.getClass().getSimpleName());
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
}
StringJoiner messageJoiner = new StringJoiner(";");
e.getBindingResult().getFieldErrors().stream().forEach(fieldError -> {
messageJoiner.add(fieldError.getDefaultMessage());
});
return Result.fail(StatusCodeEnum.PARAMETER_ERROR.getCode(), messageJoiner.toString());
}
@ExceptionHandler(HttpMessageNotReadableException.class)
public Result handleHttpMessageNotReadableException(HttpServletRequest request, HttpMessageNotReadableException e) {
try {
log.error("--------------- {} start ---------------", e.getClass().getSimpleName());
prettyPrintRequestInfo(request);
log.error(e.getMessage());
log.error("--------------- {} end ---------------", e.getClass().getSimpleName());
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
}
return Result.fail(StatusCodeEnum.PARAMETER_ERROR);
}
@ExceptionHandler(HttpRequestMethodNotSupportedException.class)
public Result handleHttpRequestMethodNotSupportedException(HttpServletRequest request, HttpRequestMethodNotSupportedException e) {
try {
log.error("--------------- {} start ---------------", e.getClass().getSimpleName());
prettyPrintRequestInfo(request);
log.error(e.getMessage());
log.error("--------------- {} end ---------------", e.getClass().getSimpleName());
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
}
return Result.fail(StatusCodeEnum.REQUEST_METHOD_NOT_SUPPORT);
}
@ExceptionHandler(ConstraintViolationException.class)
public Result handleConstraintViolationException(HttpServletRequest request, ConstraintViolationException e) {
try {
log.error("--------------- {} start ---------------", e.getClass().getSimpleName());
prettyPrintRequestInfo(request);
log.error(e.getMessage());
log.error("--------------- {} end ---------------", e.getClass().getSimpleName());
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
}
StringBuilder sb = new StringBuilder();
Iterator<ConstraintViolation<?>> iterator = e.getConstraintViolations().iterator();
while (iterator.hasNext()) {
ConstraintViolation<?> cv = iterator.next();
sb.append(cv.getMessage());
if (iterator.hasNext()) {
sb.append(";");
}
}
return Result.fail(StatusCodeEnum.PARAMETER_ERROR.getCode(), sb.toString());
}
@ExceptionHandler(MissingServletRequestParameterException.class)
public Result handleMissingServletRequestParameterException(HttpServletRequest request, MissingServletRequestParameterException e) {
try {
log.error("--------------- {} start ---------------", e.getClass().getSimpleName());
prettyPrintRequestInfo(request);
log.error(e.getMessage());
log.error("--------------- {} end ---------------", e.getClass().getSimpleName());
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
}
return Result.fail(StatusCodeEnum.PARAMETER_ERROR.getCode(), "缺少参数: " + e.getParameterName());
}
/**
* 打印请求信息, 方便用于复查
*
* @param request
*/
public void prettyPrintRequestInfo(HttpServletRequest request) {
String requestURI = request.getRequestURI();
String method = request.getMethod();
Map<String, String[]> parameterMap = request.getParameterMap();
Map<String, List<String>> printedMap = convertToStringKeyAndListValue(parameterMap);
String contentType = request.getHeader(HttpHeaders.CONTENT_TYPE);
log.error("请求uri: {}", requestURI);
log.error("请求方法: {}", method);
log.error("请求参数: {}", printedMap);
log.error("请求头Content-Type: {}", contentType);
}
private Map<String, List<String>> convertToStringKeyAndListValue(Map<String, String[]> parameterMap) {
Map<String, List<String>> map = new HashMap<>(parameterMap.size());
parameterMap.forEach((key, value) -> {
map.put(key, Arrays.stream(value).map(this::truncateString).collect(Collectors.toList()));
});
return map;
}
private String truncateString(String str) {
if (str == null) {
return null;
} else if (str.length() > 300) {
return str.substring(0, 300);
} else {
return str;
}
}
}
|