@NotNull
private InputStream openAttributes(@NotNull ObjectReader reader, @Nullable ObjectId id)
throws IOException {
if (ObjectId.zeroId().equals(id)) {
return new ByteArrayInputStream(new byte[0]);
}
return reader.open(id, Constants.OBJ_BLOB).openStream();
}
@NotNull
public ConvertTask convertTask(@NotNull ObjectReader reader, @NotNull TaskKey key)
throws IOException {
switch (key.getType()) {
case Simple:
{
if (!reader.has(key.getObjectId())) {
return keepMissingTask(key.getObjectId());
}
final RevObject revObject = new RevWalk(reader).parseAny(key.getObjectId());
if (revObject instanceof RevCommit) {
return convertCommitTask((RevCommit) revObject);
}
if (revObject instanceof RevTree) {
return convertTreeTask(reader, revObject, false);
}
if (revObject instanceof RevBlob) {
return copyTask(reader, revObject);
}
if (revObject instanceof RevTag) {
return convertTagTask((RevTag) revObject);
}
throw new IllegalStateException(
"Unsupported object type: " + key + " (" + revObject.getClass().getName() + ")");
}
case Root:
{
final RevObject revObject = new RevWalk(reader).parseAny(key.getObjectId());
if (revObject instanceof RevTree) {
return convertTreeTask(reader, revObject, true);
}
throw new IllegalStateException(
"Unsupported object type: " + key + " (" + revObject.getClass().getName() + ")");
}
case Attribute:
return createAttributesTask(reader, key.getObjectId());
case UploadLfs:
return convertLfsTask(reader, key.getObjectId());
default:
throw new IllegalStateException("Unknwon task key type: " + key.getType());
}
}