疯狂的狮子li
2020-03-16 2e6bb454f42a28f719e40abeeeb87e12b4efa93f
ruoyi/src/main/java/com/ruoyi/common/filter/RepeatableFilter.java
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package com.ruoyi.common.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
/**
 * Repeatable è¿‡æ»¤å™¨
 *
 * @author ruoyi
 */
public class RepeatableFilter implements Filter
{
    @Override
    public void init(FilterConfig filterConfig) throws ServletException
    {
    }
    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException
    {
        ServletRequest requestWrapper = null;
        if (request instanceof HttpServletRequest)
        {
            requestWrapper = new RepeatedlyRequestWrapper((HttpServletRequest) request, response);
        }
        if (null == requestWrapper)
        {
            chain.doFilter(request, response);
        }
        else
        {
            chain.doFilter(requestWrapper, response);
        }
    }
    @Override
    public void destroy()
    {
    }
}