Object put(VersionSupplier versionSupplier) {
VersionSupplier[] existing = (VersionSupplier[]) internal.get(versionSupplier.getName());
if (existing == null) {
VersionSupplier[] vss = new VersionSupplier[1];
vss[0] = versionSupplier;
internal.put(versionSupplier.getName(), vss);
} else {
for (int i = 0; i < existing.length; i++) {
VersionSupplier e = existing[i];
if (e == versionSupplier) return e;
if (versionSupplier.getBundle().isResolved() && !e.getBundle().isResolved()) {
// Put resolved bundles ahead of unresolved bundles
internal.put(versionSupplier.getName(), add(i, versionSupplier, existing));
return null;
} else if (versionSupplier.getBundle().isResolved() == e.getBundle().isResolved()) {
if (versionSupplier.getVersion().compareTo(e.getVersion()) > 0) {
// Put highest versions first
internal.put(versionSupplier.getName(), add(i, versionSupplier, existing));
return null;
} else if (e.getVersion().equals(versionSupplier.getVersion())) {
if (versionSupplier.getBundle().getBundleId() < e.getBundle().getBundleId()) {
// Versions match - order by bundle ID
internal.put(versionSupplier.getName(), add(i, versionSupplier, existing));
return e;
}
}
}
}
// Lowest version, so add at end
internal.put(versionSupplier.getName(), add(existing.length, versionSupplier, existing));
}
return null;
}
// Once we have resolved bundles, we need to make sure that exports
// from these are ahead of those from unresolved bundles
void reorder() {
Iterator it = internal.values().iterator();
while (it.hasNext()) {
ArrayList toBeReordered = new ArrayList();
VersionSupplier[] existing = (VersionSupplier[]) it.next();
if (existing == null || existing.length <= 1) continue;
// Find any VersionSuppliers that need to be reordered
VersionSupplier vs1 = (VersionSupplier) existing[0];
for (int i = 1; i < existing.length; i++) {
VersionSupplier vs2 = (VersionSupplier) existing[i];
BundleDescription b1 = vs1.getBundle();
BundleDescription b2 = vs2.getBundle();
if (b2.isResolved() && !b1.isResolved()) {
toBeReordered.add(vs2);
} else if (b2.isResolved() == b1.isResolved()) {
int versionDiff = vs2.getVersion().compareTo(vs1.getVersion());
if (versionDiff > 0 || (b2.getBundleId() < b1.getBundleId() && versionDiff == 0)) {
toBeReordered.add(vs2);
}
}
vs1 = vs2;
}
// Reorder them
for (int i = 0; i < toBeReordered.size(); i++) {
VersionSupplier vs = (VersionSupplier) toBeReordered.get(i);
remove(vs);
put(vs);
}
}
}