package com.zy.common.config;

import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import org.springframework.web.util.ContentCachingRequestWrapper;

import java.io.IOException;

@Component
@Order(Ordered.HIGHEST_PRECEDENCE)
public class RequestBodyCacheFilter extends OncePerRequestFilter {

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
            throws ServletException, IOException {
        if (request instanceof ContentCachingRequestWrapper) {
            filterChain.doFilter(request, response);
            return;
        }
        ContentCachingRequestWrapper requestWrapper = new ContentCachingRequestWrapper(request);
        filterChain.doFilter(requestWrapper, response);
    }
}