package com.megatim.fdxconsultation.service.impl.filters;
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import java.io.IOException;
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import javax.servlet.Filter;
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import javax.servlet.FilterChain;
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import javax.servlet.FilterConfig;
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import javax.servlet.ServletException;
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import javax.servlet.ServletRequest;
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import javax.servlet.ServletResponse;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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/**
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*
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* @author lenovo
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*/
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public class CORSFilter implements Filter {
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@Override
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public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
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HttpServletRequest request = (HttpServletRequest) servletRequest;
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HttpServletResponse response = (HttpServletResponse) servletResponse;
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response.addHeader("Access-Control-Allow-Origin", "*");
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response.addHeader("Access-Control-Allow-Methods", "GET,PUT,POST,DELETE,PATCH,OPTIONS");
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response.addHeader("Access-Control-Allow-Headers", request.getHeader("Access-Control-Request-Headers"));
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response.addHeader("Access-Control-Expose-Headers", "Location, Content-Disposition");
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// For HTTP OPTIONS verb reply with ACCEPTED status code, for CORS handshake
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if (request.getMethod().equals("OPTIONS")) {
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response.setStatus(HttpServletResponse.SC_ACCEPTED);
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return;
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}
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filterChain.doFilter(servletRequest, servletResponse);
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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 void init(FilterConfig arg0) throws ServletException {
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}
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}
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