| /* |
| * Copyright (C) 2017, Google Inc. and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.eclipse.jgit.lib; |
| |
| import org.eclipse.jgit.errors.CorruptObjectException; |
| |
| /** |
| * Verifies that a blob object is a valid object. |
| * <p> |
| * Unlike trees, commits and tags, there's no validity of blobs. Implementers |
| * can optionally implement this blob checker to reject certain blobs. |
| * |
| * @since 4.9 |
| */ |
| public interface BlobObjectChecker { |
| /** No-op implementation of {@link BlobObjectChecker}. */ |
| BlobObjectChecker NULL_CHECKER = |
| new BlobObjectChecker() { |
| @Override |
| public void update(byte[] in, int p, int len) { |
| // Empty implementation. |
| } |
| |
| @Override |
| public void endBlob(AnyObjectId id) { |
| // Empty implementation. |
| } |
| }; |
| |
| /** |
| * Check a new fragment of the blob. |
| * |
| * @param in |
| * input array of bytes. |
| * @param offset |
| * offset to start at from {@code in}. |
| * @param len |
| * length of the fragment to check. |
| */ |
| void update(byte[] in, int offset, int len); |
| |
| /** |
| * Finalize the blob checking. |
| * |
| * @param id |
| * identity of the object being checked. |
| * @throws org.eclipse.jgit.errors.CorruptObjectException |
| * if any error was detected. |
| */ |
| void endBlob(AnyObjectId id) throws CorruptObjectException; |
| } |