package com.code2roc.fastface.filter;
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import com.alibaba.fastjson.JSON;
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import org.springframework.core.Ordered;
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import javax.servlet.*;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.util.List;
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public class CORSFilter implements Filter, Ordered {
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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) throws IOException, ServletException {
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if (((HttpServletRequest) request).getMethod().equals("OPTIONS")) {
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HttpServletResponse res = (HttpServletResponse) response;
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res.addHeader("Access-Control-Allow-Origin", "*");
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res.addHeader("Access-Control-Allow-Methods", "GET,POST");
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res.addHeader("Access-Control-Allow-Headers", "*");
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res.getWriter().println("ok");
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return;
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}
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HttpServletResponse res = (HttpServletResponse) response;
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res.addHeader("Access-Control-Allow-Origin", "*");
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res.addHeader("Access-Control-Allow-Methods", "GET,POST");
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res.addHeader("Access-Control-Allow-Headers", "*");
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chain.doFilter(request, response);
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}
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@Override
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public void destroy() {
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}
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@Override
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public int getOrder() {
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return Ordered.HIGHEST_PRECEDENCE;
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}
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}
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