// Get the list of InstallableUnits and all its requirements
protected List<IServerExtension> getInstallableUnits(
IMetadataRepository repo, IQuery<IInstallableUnit> query, URI url, IProgressMonitor monitor) {
List<IServerExtension> list = new ArrayList<IServerExtension>();
IQueryResult<IInstallableUnit> collector = repo.query(query, monitor);
for (IInstallableUnit iu : collector.toUnmodifiableSet()) {
Collection<IRequirement> req = iu.getRequirements();
if (req != null) {
for (IRequirement requirement : req) {
IMatchExpression<IInstallableUnit> matches = requirement.getMatches();
query = new ExpressionMatchQuery<IInstallableUnit>(IInstallableUnit.class, matches);
IQueryResult<IInstallableUnit> collector2 = repo.query(query, monitor);
Iterator<IInstallableUnit> iter2 = collector2.iterator();
while (iter2.hasNext()) {
IInstallableUnit iu2 = iter2.next();
if (!list.contains(iu2)) {
Extension ext = new Extension(iu2, url);
list.add(ext);
}
}
}
}
}
return list;
}