package com.dl.common.filter;
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import com.dl.common.utils.StringUtils;
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import org.springframework.http.MediaType;
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import javax.servlet.*;
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import javax.servlet.http.HttpServletRequest;
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import java.io.IOException;
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/**
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* Repeatable 过滤器
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*
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* @author dl
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*/
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public class RepeatableFilter implements Filter {
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@Override
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public void init(FilterConfig filterConfig) throws ServletException {
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}
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@Override
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public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
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throws IOException, ServletException {
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ServletRequest requestWrapper = null;
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if (request instanceof HttpServletRequest
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&& StringUtils.startsWithIgnoreCase(request.getContentType(), MediaType.APPLICATION_JSON_VALUE)) {
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requestWrapper = new RepeatedlyRequestWrapper((HttpServletRequest) request, response);
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}
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if (null == requestWrapper) {
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chain.doFilter(request, response);
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} else {
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chain.doFilter(requestWrapper, response);
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}
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}
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@Override
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public void destroy() {
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}
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}
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