/**
* @return zero or more <code>URL</code> instances
* @throws Exception if an Exception is thrown by the underlying <code>
* ConfigurationResourceProvider</code>
*/
public Collection<URI> call() throws Exception {
Collection untypedCollection = provider.getResources(sc);
Iterator untypedCollectionIterator = untypedCollection.iterator();
Collection<URI> result = Collections.emptyList();
if (untypedCollectionIterator.hasNext()) {
Object cur = untypedCollectionIterator.next();
// account for older versions of the provider that return Collection<URL>.
if (cur instanceof URL) {
result = new ArrayList<URI>(untypedCollection.size());
result.add(new URI(((URL) cur).toExternalForm()));
while (untypedCollectionIterator.hasNext()) {
cur = untypedCollectionIterator.next();
result.add(new URI(((URL) cur).toExternalForm()));
}
} else {
result = (Collection<URI>) untypedCollection;
}
}
return result;
}
/**
* @return zero or more <code>URL</code> instances
* @throws Exception if an Exception is thrown by the underlying <code>
* ConfigurationResourceProvider</code>
*/
public Collection<URL> call() throws Exception {
return provider.getResources(sc);
}