private static String getVersion(Clause clause) {
String v = clause.getAttribute(Constants.VERSION_ATTRIBUTE);
if (v == null) {
v = clause.getAttribute(Constants.PACKAGE_SPECIFICATION_VERSION);
}
if (v == null) {
v = clause.getAttribute(Constants.BUNDLE_VERSION_ATTRIBUTE);
}
return VersionCleaner.clean(v);
}
private static String getVersion(Headers headers) {
String v = headers.getHeader(Constants.BUNDLE_VERSION);
return VersionCleaner.clean(v);
}