| /* |
| * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com> |
| * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> 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.internal.storage.file; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import org.eclipse.jgit.internal.JGitText; |
| import org.eclipse.jgit.transport.PackedObjectInfo; |
| import org.eclipse.jgit.util.NB; |
| |
| /** |
| * Creates the version 1 (old style) pack table of contents files. |
| * |
| * @see PackIndexWriter |
| * @see PackIndexV1 |
| */ |
| class PackIndexWriterV1 extends PackIndexWriter { |
| static boolean canStore(PackedObjectInfo oe) { |
| // We are limited to 4 GB per pack as offset is 32 bit unsigned int. |
| // |
| return oe.getOffset() >>> 1 < Integer.MAX_VALUE; |
| } |
| |
| PackIndexWriterV1(final OutputStream dst) { |
| super(dst); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void writeImpl() throws IOException { |
| writeFanOutTable(); |
| |
| for (PackedObjectInfo oe : entries) { |
| if (!canStore(oe)) |
| throw new IOException(JGitText.get().packTooLargeForIndexVersion1); |
| NB.encodeInt32(tmp, 0, (int) oe.getOffset()); |
| oe.copyRawTo(tmp, 4); |
| out.write(tmp); |
| } |
| |
| writeChecksumFooter(); |
| } |
| } |