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.HttpServletRequest;
import javax.servlet.http.HttpServletResponse; public class HTTPSFilter implements Filter {
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws java.io.IOException, ServletException { HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse res = (HttpServletResponse) response; String uri = req.getRequestURI();
String getProtocol = req.getScheme();
String getDomain = req.getServerName();
String getPort = Integer.toString(req.getServerPort()); if (getProtocol.toLowerCase().equals(“http”)) {
// Set response content type
response.setContentType(“text/html”);
// New location to be redirected
String httpsPath = “https” + ”://” + getDomain + ”:” + getPort
- uri;
String site = new String(httpsPath);
res.setStatus(HttpServletResponse.SC_MOVED_TEMPORARILY);
res.setHeader(“Location”, site);
}
// Pass request back down the filter chain
chain.doFilter(req, res);
}
@Override
public void init(FilterConfig arg0) throws ServletException {
// TODO Auto-generated method stub
}
@Override
public void destroy() {
// TODO Auto-generated method stub
}
}`
domain.com.servlet.HTTPSFilter HTTPS
/*
`

