Merge pull request #98 from KUIT-Space/feat/#97httpmessagenotreadable…

…exception

HttpMessageNotReadable 예외 처리

src/main/java/space/space_spring/config/filter/RequestCachingFilter.java

@@ -0,0 +1,21 @@
+package space.space_spring.config.filter;
+
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.springframework.stereotype.Component;
+import org.springframework.web.filter.OncePerRequestFilter;
+import org.springframework.web.util.ContentCachingRequestWrapper;
+
+import java.io.IOException;
+@Component
+public class RequestCachingFilter extends OncePerRequestFilter {
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
+            throws ServletException, IOException {
+        ContentCachingRequestWrapper wrappedRequest = new ContentCachingRequestWrapper(request);
+        filterChain.doFilter(wrappedRequest, response);
+    }
+}

src/main/java/space/space_spring/exceptionHandler/BaseExceptionControllerAdvice.java

@@ -1,18 +1,26 @@
 package space.space_spring.exceptionHandler;
 
+import jakarta.servlet.http.HttpServletRequest;
 import jakarta.validation.ConstraintViolationException;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.TypeMismatchException;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.converter.HttpMessageConversionException;
+import org.springframework.http.converter.HttpMessageNotReadableException;
 import org.springframework.web.HttpRequestMethodNotSupportedException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 import org.springframework.web.servlet.NoHandlerFoundException;
+import org.springframework.web.util.ContentCachingRequestWrapper;
+import org.springframework.web.util.WebUtils;
 import space.space_spring.exception.BadRequestException;
 import space.space_spring.exception.InternalServerErrorException;
 import space.space_spring.response.BaseErrorResponse;
 
+import java.io.BufferedReader;
+import java.io.IOException;
+
 import static space.space_spring.response.status.BaseExceptionResponseStatus.*;
 
 @Slf4j
@@ -62,4 +70,36 @@ public BaseErrorResponse handle_RuntimeException(Exception e) {
         log.error("[handle_RuntimeException]", e);
         return new BaseErrorResponse(SERVER_ERROR);
     }
+
+    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
+    @ExceptionHandler({HttpMessageNotReadableException.class, HttpMessageConversionException.class})
+    public BaseErrorResponse HttpNotReadableException(Exception e, HttpServletRequest request) {
+        log.error("[handle_RuntimeException]", e);
+
+        String requestBody = getRequestBody(request);
+
+
+        return new BaseErrorResponse(HTTP_MESSAGE_NOT_READABLE,HTTP_MESSAGE_NOT_READABLE.getMessage()+" : request body content : "+requestBody + " :content end");
+    }
+
+    private String getRequestBody(HttpServletRequest request){
+        String requestBody = "";
+        ContentCachingRequestWrapper wrapper = WebUtils.getNativeRequest(request, ContentCachingRequestWrapper.class);
+        if (wrapper != null) {
+            byte[] buf = wrapper.getContentAsByteArray();
+            if (buf.length > 0) {
+                try {
+                    requestBody = new String(buf, 0, buf.length, wrapper.getCharacterEncoding());
+                } catch (IOException e) {
+                    // 예외 처리
+                    return "IO exception in parsing request body";
+                }
+            }
+        }
+
+
+        return requestBody.toString();
+
+    }
+
 }

src/main/java/space/space_spring/response/status/BaseExceptionResponseStatus.java

@@ -18,6 +18,7 @@ public enum BaseExceptionResponseStatus implements ResponseStatus {
     BAD_REQUEST(2000, HttpStatus.BAD_REQUEST, "유효하지 않은 요청입니다."),
     URL_NOT_FOUND(2001, HttpStatus.BAD_REQUEST, "유효하지 않은 URL 입니다."),
     METHOD_NOT_ALLOWED(2002, HttpStatus.METHOD_NOT_ALLOWED, "해당 URL에서는 지원하지 않는 HTTP Method 입니다."),
+    HTTP_MESSAGE_NOT_READABLE(2003, HttpStatus.BAD_REQUEST,"request body 양식에 문제가 있습니다"),
 
     /**
      * 3000: Server, Database 오류 (INTERNAL_SERVER_ERROR)