servlet request to httpservletrequest spring boot code example

Example: httpservletrequest in spring boot

package com.onclickinfo.tnoadmin;

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;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

@Component
public class SimpleCORSFilter implements Filter {

	private final Logger log = LoggerFactory.getLogger(SimpleCORSFilter.class);

	public SimpleCORSFilter() {
		log.info("SimpleCORSFilter initiliazed!");
	}

	@Override
	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
		log.info("SimpleCORSFilter doFilter START ");
		HttpServletRequest request = (HttpServletRequest) req;
		HttpServletResponse response = (HttpServletResponse) res;

		response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));
		response.setHeader("Access-Control-Allow-Credentials", "true");
		response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
		response.setHeader("Access-Control-Max-Age", "3600");
		response.setHeader("Access-Control-Allow-Headers", "Content-Type, Accept, X-Requested-With, remember-me");

		chain.doFilter(req, res);
		log.info("SimpleCORSFilter doFilter END");
	}

	/*
	@Override
	public void init(FilterConfig filterConfig) {
	}

	@Override
	public void destroy() {
	}
	*/

}