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Mr.Zhang

2023-09-27 65279e7ed6201fad4b39eeda607ff051f40c908f

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package doumeemes.core.servlet;
 
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;
import java.io.IOException;
 
/**
 * 增加响应流副本
 * @author Eva.Caesar Liu
 * @date 2022/04/18 18:12
 */
public class ServletDuplicateResponseWrapper extends HttpServletResponseWrapper {
 
    private ServletDuplicateOutputStream servletDuplicateOutputStream;
 
    public ServletDuplicateResponseWrapper(HttpServletResponse httpServletResponse) {
        super(httpServletResponse);
    }
 
    @Override
    public ServletOutputStream getOutputStream() throws IOException {
        if (servletDuplicateOutputStream == null) {
            servletDuplicateOutputStream = new ServletDuplicateOutputStream(super.getOutputStream());
        }
        return servletDuplicateOutputStream;
    }
}