package com.eazybytes.filter;

import java.io.IOException;
import java.util.logging.Logger;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;

public class AuthoritiesLoggingAfterFilter implements Filter {

	private final Logger LOG =
			Logger.getLogger(AuthoritiesLoggingAfterFilter.class.getName());

	
	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
		if(null!=authentication) {
			LOG.info("User "+authentication.getName()+" is successfully authenticated and "
					+ "has the authorities "+authentication.getAuthorities().toString());
		}
		chain.doFilter(request, response);
	}

}