CacheControlFilter.java

package nl.nn.adapterframework.http;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import java.io.IOException;
import java.util.Date;

public class CacheControlFilter implements Filter {

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

        HttpServletResponse resp = (HttpServletResponse) response;
        //resp.setHeader("Expires", "Tue, 03 Jul 2001 06:00:00 GMT");
        resp.setDateHeader("Last-Modified", new Date().getTime());
        //resp.setHeader("Cache-Control", "no-store, no-cache, must-revalidate, max-age=0, post-check=0, pre-check=0"); //Disable caching all together...
        resp.setHeader("Cache-Control", "no-cache, must-revalidate, max-age=60, post-check=0, pre-check=0");
        resp.setHeader("Pragma", "no-cache");
        chain.doFilter(request, response);
    }

	public void init(FilterConfig filterConfig) throws ServletException {
		// TODO Auto-generated method stub
		
	}

	public void destroy() {
		// TODO Auto-generated method stub
		
	}

}