-require-bnd (FILTER ( ',' FILTER )* )?

/**
 * Ensure that we are running on the correct bnd.
 */
void doRequireBnd() {
	Attrs require = OSGiHeader.parseProperties(getProperty(REQUIRE_BND));
	if (require == null || require.isEmpty())
		return;

	Hashtable<String,String> map = new Hashtable<String,String>();
	map.put(Constants.VERSION_FILTER, getBndVersion());

	for (String filter : require.keySet()) {
		try {
			Filter f = new Filter(filter);
			if (f.match(map))
				continue;
			error("%s fails %s", REQUIRE_BND, require.get(filter));
		}
		catch (Exception t) {
			error("%s with value %s throws exception", t, REQUIRE_BND, require);
		}
	}
}