StringTokenizer tkn = new StringTokenizer((String) o, ", ");
Vector<Resource> v = new Vector<Resource>();
while (tkn.hasMoreElements()) {
String frag = tkn.nextToken();
// System.err.println("Blocking " + frag);
v.add(new ResourceImpl(RDFSyntax.getURI() + frag));
}
blockedRules = new Resource[v.size()];
v.copyInto(blockedRules);
}