org.minidns.dnslabel.NonReservedLdhLabel Maven / Gradle / Ivy
/*
* Copyright 2015-2020 the original author or authors
*
* This software is licensed under the Apache License, Version 2.0,
* the GNU Lesser General Public License version 2 or later ("LGPL")
* and the WTFPL.
* You may choose either license to govern your use of this software only
* upon the condition that you accept all of the terms of either
* the Apache License 2.0, the LGPL 2.1+ or the WTFPL.
*/
package org.minidns.dnslabel;
/**
* A Non-Reserved LDH label (NR-LDH label), which do not have "--" in the third and fourth position.
*
*/
public final class NonReservedLdhLabel extends LdhLabel {
protected NonReservedLdhLabel(String label) {
super(label);
assert isNonReservedLdhLabelInternal(label);
}
public static boolean isNonReservedLdhLabel(String label) {
if (!isLdhLabel(label)) {
return false;
}
return isNonReservedLdhLabelInternal(label);
}
static boolean isNonReservedLdhLabelInternal(String label) {
return !ReservedLdhLabel.isReservedLdhLabelInternal(label);
}
}