in core/src/main/java/org/apache/jsieve/ComparatorManagerImpl.java [127:135]
public Comparator getComparator(String name) throws LookupException {
try {
return (Comparator) lookup(name).newInstance();
} catch (InstantiationException e) {
throw new LookupException(e.getMessage());
} catch (IllegalAccessException e) {
throw new LookupException(e.getMessage());
}
}