@Override
public boolean validate()
{
boolean result = true;
PackageSpine spine = epack.getSpine();
if (spine == null || (spine.getToc() == null && epack.getVersion() == EPUBVersion.VERSION_2))
{
report.message(MessageId.NCX_002, new MessageLocation(pathRootFile, -1, -1));
result = false;
}
return result;