/**
* {@code ModuleInfo} has dependencies as a {@code Set} (actually a {@code HashSet}), but {@link
* #dependencies()} needs to return a list. The order matter much except when several dependencies
* can't be found. That happens, in particular, when trying to run a module compiled with a more
* recent (but still BC) version of Ceylon. So for consistency on that case we will already return
* ceylon.language first.
*/
private List<ModuleDependencyInfo> getOrderedDependencies(ModuleInfo infos) {
List<ModuleDependencyInfo> dependencies =
new ArrayList<ModuleDependencyInfo>(infos.getDependencies());
for (int index = 0; index < dependencies.size(); index++) {
ModuleDependencyInfo dep = dependencies.get(index);
if ("ceylon.language".equals(dep.getName())) {
if (index != 0) {
dependencies.remove(index);
dependencies.add(0, dep);
}
break;
}
}
return dependencies;
}
@Override
public List<ArtifactResult> dependencies() throws RepositoryException {
ModuleInfo infos = resolve();
// TODO -- perhaps null is not valid?
if (infos == null || infos.getDependencies().isEmpty()) return Collections.emptyList();
final List<ArtifactResult> results = new ArrayList<ArtifactResult>();
for (ModuleDependencyInfo mi : getOrderedDependencies(infos)) {
results.add(
new LazyArtifactResult(
manager,
mi.getNamespace(),
mi.getName(),
mi.getVersion(),
mi.isOptional()
? ImportType.OPTIONAL
: (mi.isExport() ? ImportType.EXPORT : ImportType.UNDEFINED)));
}
return results;
}
