package org.limewire.core.impl; public final class InvalidURN implements org.limewire.core.api.URN { public static InvalidURN instance = new InvalidURN(); private InvalidURN() { //singleton } @Override public int compareTo(org.limewire.core.api.URN o) { return toString().compareTo(o.toString()); } @Override public String toString() { return "Unknown URN"; } }