private byte[] open(DiffEntry.Side side, DiffEntry entry) throws IOException {
if (entry.getMode(side) == FileMode.MISSING) return EMPTY;
if (entry.getMode(side).getObjectType() != Constants.OBJ_BLOB) return EMPTY;
if (isBinary()) return BINARY;
AbbreviatedObjectId id = entry.getId(side);
if (!id.isComplete()) {
Collection<ObjectId> ids = reader.resolve(id);
if (ids.size() == 1) {
id = AbbreviatedObjectId.fromObjectId(ids.iterator().next());
switch (side) {
case OLD:
entry.oldId = id;
break;
case NEW:
entry.newId = id;
break;
}
} else if (ids.size() == 0) throw new MissingObjectException(id, Constants.OBJ_BLOB);
else throw new AmbiguousObjectException(id, ids);
}
try {
ObjectLoader ldr = source.open(side, entry);
return ldr.getBytes(binaryFileThreshold);
} catch (LargeObjectException.ExceedsLimit overLimit) {
return BINARY;
} catch (LargeObjectException.ExceedsByteArrayLimit overLimit) {
return BINARY;
} catch (LargeObjectException.OutOfMemory tooBig) {
return BINARY;
} catch (LargeObjectException tooBig) {
tooBig.setObjectId(id.toObjectId());
throw tooBig;
}
}
public static GitObject createGitObject(RepositoryData repositoryData, String hash)
throws MissingObjectException, IOException {
Repository repository = repositoryData.getRepository();
ObjectId id = repository.resolve(hash);
ObjectLoader loader = repository.open(id);
GitObject object = null;
switch (loader.getType()) {
case Constants.OBJ_COMMIT:
object = new Commit(hash, new String(loader.getCachedBytes()));
break;
case Constants.OBJ_TREE:
object = new Tree(hash, loader.getBytes());
break;
case Constants.OBJ_BLOB:
object = new Blob(hash, new String(loader.getCachedBytes()));
break;
case Constants.OBJ_TAG:
object = new Tag(hash, new String(loader.getCachedBytes()));
break;
}
object.setRepositoryData(repositoryData);
return object;
}
private boolean isLfsPointer(@NotNull ObjectLoader loader) {
return loader.getSize() <= ru.bozaro.gitlfs.pointer.Constants.POINTER_MAX_SIZE
&& Pointer.parsePointer(loader.getBytes()) != null;
}