-upto VERSION

/** * This method is about compatibility. New behavior can be conditionally * introduced by calling this method and passing what version this behavior * was introduced. This allows users of bnd to set the -upto instructions to * the version that they want to be compatible with. If this instruction is * not set, we assume the latest version. */

Version	upto	= null;

public boolean since(Version introduced) {
	if (upto == null) {
		String uptov = getProperty(UPTO);
		if (uptov == null) {
			upto = Version.HIGHEST;
			return true;
		}
		if (!Version.VERSION.matcher(uptov).matches()) {
			error("The %s given version is not a version: %s", UPTO, uptov);
			upto = Version.HIGHEST;
			return true;
		}

		upto = new Version(uptov);
	}
	return upto.compareTo(introduced) >= 0;
}