public static Statement replaceNamespace(
Statement st, String o, String n, NodeFactory f, Map o2n, Set resourcesToIgnore)
throws ModelException {
boolean replaced = false;
Resource subj = st.subject();
Resource pred = st.predicate();
RDFNode obj = st.object();
if (obj instanceof Resource
&& !(obj instanceof Statement)
&& o.equals(((Resource) obj).getNamespace())
&& (resourcesToIgnore == null || !resourcesToIgnore.contains(obj))) {
replaced = true;
Resource r = f.createResource(n, ((Resource) obj).getLocalName());
if (o2n != null) o2n.put(obj, r);
obj = r;
}
if (o.equals(subj.getNamespace())
&& (resourcesToIgnore == null || !resourcesToIgnore.contains(subj))) {
replaced = true;
Resource r = f.createResource(n, subj.getLocalName());
if (o2n != null) o2n.put(subj, r);
subj = r;
}
if (o.equals(pred.getNamespace())
&& (resourcesToIgnore == null || !resourcesToIgnore.contains(pred))) {
replaced = true;
Resource r = f.createResource(n, pred.getLocalName());
if (o2n != null) o2n.put(pred, r);
pred = r;
}
return replaced ? f.createStatement(subj, pred, obj) : st;
}
/** Extracts the namespace prefix out of a URI. */
public static String getNamespace(Resource r) throws ModelException {
String ns = r.getNamespace();
return ns != null ? ns : guessNamespace(r.getURI());
}
public static void collectNamespaces(Resource r, Collection target) throws ModelException {
String ns = r.getNamespace();
if (ns != null) target.add(ns);
}
/** Delivers the name out of the URI (without the namespace prefix). */
public static String getLocalName(Resource r) throws ModelException {
if (r.getNamespace() == null) return guessName(r.getURI());
else return r.getLocalName();
}