package railo.runtime.functions.decision;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
import railo.commons.lang.StringUtil;
import railo.runtime.PageContext;
import railo.runtime.exp.PageException;
import railo.runtime.op.Caster;
public class IsIPv6 {
public static boolean call(PageContext pc) throws PageException {
try {
InetAddress ia = InetAddress.getLocalHost();
InetAddress[] ias = InetAddress.getAllByName(ia.getHostName());
return _call(ias);
}
catch (UnknownHostException e) {
throw Caster.toPageException(e);
}
}
public static boolean call(PageContext pc,String hostName) throws PageException {
if(StringUtil.isEmpty(hostName)) return call(pc);
try {
InetAddress[] ias = InetAddress.getAllByName(hostName);
return _call(ias);
}
catch (UnknownHostException e) {
if(hostName.equalsIgnoreCase("localhost") || hostName.equals("127.0.0.1") || hostName.equalsIgnoreCase("0:0:0:0:0:0:0:1") || hostName.equalsIgnoreCase("::1"))
return call(pc);
throw Caster.toPageException(e);
}
}
private static boolean _call(InetAddress[] ias) {
for(int i=0;i<ias.length;i++) {
if(ias[i] instanceof Inet6Address) return true;
}
return false;
}
}