Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package proyectoFinal; 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.HttpServletResponse; import org.springframework.stereotype.Component; @Component public class FiltroCorsSimple implements Filter { @Override public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { HttpServletResponse response = (HttpServletResponse) res; response.setHeader("Access-Control-Allow.Origin", "*"); response.setHeader("Access-Control-Allow.Methods", "PST,GET,PUT " + "OPTTIONS,DELETE"); response.setHeader("Access-Control-Max-Age", "3600"); response.setHeader("Access-Control-Allow-Headers", "x-requested-with-Content-Type"); chain.doFilter(req, res); } @Override public void init(FilterConfig filterconfig) { } @Override public void destroy() { } }