[英]Spring boot with spring data jpa. How can i perform partial update of entity from request body?
[英]How can I get a body data from the request in an ExceptionHandler in Spring Boot?
我有一個 @RestControllerAdvice,我在其中處理 Spring Boot 中的異常。 我想記錄通過請求正文發送的信息。 如何從 spring WebRequest 中獲取此信息?
這是我的示例異常處理程序。
@RestControllerAdvice
public class CustomExceptionHandler extends ResponseEntityExceptionHandler {
@Override
protected ResponseEntity<Object> handleMethodArgumentNotValid(MethodArgumentNotValidException ex,
HttpHeaders headers, HttpStatus status, WebRequest request) {
// I want to add something here that I could log an info that is in the request body.
return super.handleMethodArgumentNotValid(ex, headers, status, request);
}
}
@M.Deinum 我嘗試使用 ContentCachingRequestWrapper,但我無法訪問正文內容。 contentCachingRequestWrapper.getContentAsByteArray() 方法返回 null。
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
try {
ContentCachingRequestWrapper wrappedRequest = new ContentCachingRequestWrapper((HttpServletRequest) request);
wrappedRequest.getContentAsByteArray();
wrappedRequest.getInputStream();
chain.doFilter(wrappedRequest, response);
} finally {
LoggingContext.clear();
}
關於使用ContentCachingRequestWrapper
的評論是准確的,這是使用您的 controller 建議的實現應該有效。
@Component
public class MyFilter implements Filter {
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
throws IOException, ServletException {
ContentCachingRequestWrapper contentCachingRequestWrapper = new ContentCachingRequestWrapper(
(HttpServletRequest) servletRequest);
filterChain.doFilter(contentCachingRequestWrapper, servletResponse);
}
}
建議
@RestControllerAdvice
public class CustomExceptionHandler extends ResponseEntityExceptionHandler {
@Override
protected ResponseEntity<Object> handleMethodArgumentNotValid(MethodArgumentNotValidException ex, HttpHeaders headers,
HttpStatus status, WebRequest request) {
ContentCachingRequestWrapper nativeRequest = (ContentCachingRequestWrapper) ((ServletWebRequest) request).getNativeRequest();
String requestEntityAsString = new String(nativeRequest.getContentAsByteArray());
log.debug(requestEntityAsString);
return super.handleMethodArgumentNotValid(ex, headers, status, request);
}
}
RequestBody 和 ResponseBody 可以只讀一次所以其他方式在異常處理器中實現body訪問這里
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