chiron.maxscore.servlet.SecurityServlet.java Source code

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Here is the source code for chiron.maxscore.servlet.SecurityServlet.java

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package chiron.maxscore.servlet;

import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
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.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Diluka
 */
public class SecurityServlet extends HttpServlet implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        HttpSession session = ((HttpServletRequest) request).getSession();
        Object role = session.getAttribute("role");
        if (role == null) {
            ObjectMapper mapper = new ObjectMapper();
            Map<String, Object> map = new HashMap<>();
            map.put("success", false);
            map.put("msg", "");
            mapper.writeValue(response.getWriter(), map);
        }
        chain.doFilter(request, response);
    }

}