/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.net.syntax;
import org.jnode.net.ipv4.IPv4Address;
import org.jnode.shell.CommandLine.Token;
import org.jnode.shell.syntax.Argument;
import org.jnode.shell.syntax.CommandSyntaxException;
/**
* This Argument class accepts a host name or IPv4 addresses. No validation or
* completion is performed,
*
* @author crawley@jnode.org
*/
public class IPv4HostArgument extends Argument<IPv4Address> {
public IPv4HostArgument(String label, int flags, String description) {
super(label, flags, new IPv4Address[0], description);
}
@Override
protected String argumentKind() {
return "hostname/IPv4 address";
}
@Override
protected IPv4Address doAccept(Token value, int flags) throws CommandSyntaxException {
try {
return new IPv4Address(value.text);
} catch (IllegalArgumentException ex) {
throw new CommandSyntaxException("invalid hostname or IPv4 address");
}
}
}