CORSFilter.java

package com.bitmonlab.osiris.api.configuration;

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 com.sun.research.ws.wadl.Response;


public class CORSFilter implements Filter {

	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-Credentials", "true");
		response.setHeader("Access-Control-Allow-Methods", "POST, GET, PUT, OPTIONS, DELETE, HEAD");
		response.setHeader("Access-Control-Max-Age", "3600");
													
        response.setHeader("Access-Control-Allow-Headers", "X-CSRFToken,api_key,X-Requested-With,Content-Type,Accept,Origin,access-control-allow-origin,Access-Control-Allow-Origin,Authorization,Access-Control-Request-Method"); //"X-Requested-With, Content-Type, Authorization, Origin, Accept, Access-Control-Request-Method, Access-Control-Request-Headers");

		chain.doFilter(req, res);
	}

	public void init(FilterConfig filterConfig) {}

	public void destroy() {}

}