[OmniFaces utilities] The
getRemoteAddr() method returns the Internet Protocol (IP) address of the client that sent the request. This will first check the X-Forwarded-For request header and if it's present, then return its first IP address, else just return HttpServletRequest#getRemoteAddr() unmodified.Method:
Usage:
- inside a servlet filter or even a plain vanilla servlet (b
import org.omnifaces.util.Servlets;
...
@WebServlet("/MyServlet")
public class MyServlet extends HttpServlet {
protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String remoteAddr = Servlets.getRemoteAddr(request);
}
...
}
- in JSF, when FacesContext is available use, Faces#getRemoteAddr(), or more clumsy (not recommended).
import org.omnifaces.util.Servlets;
...
// or simply use, Faces#getRequest()
FacesContext context = FacesContext.getCurrentInstance();
ExternalContext externalContext = context.getExternalContext();
HttpServletRequest request = (HttpServletRequest) externalContext.getRequest();
// e.g. 'remoteAddr' may be '0:0:0:0:0:0:0:1'
String remoteAddr = Servlets.getRemoteAddr(request);
API GH