- /*
- * Copyright (C) 2012 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.archive;
-
- import static java.nio.charset.StandardCharsets.UTF_8;
-
- import java.io.IOException;
- import java.io.OutputStream;
- import java.text.MessageFormat;
- import java.util.Arrays;
- import java.util.Collections;
- import java.util.List;
- import java.util.Map;
-
- import org.apache.commons.compress.archivers.ArchiveOutputStream;
- import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
- import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
- import org.apache.commons.compress.archivers.tar.TarConstants;
- import org.eclipse.jgit.api.ArchiveCommand;
- import org.eclipse.jgit.archive.internal.ArchiveText;
- import org.eclipse.jgit.lib.FileMode;
- import org.eclipse.jgit.lib.ObjectId;
- import org.eclipse.jgit.lib.ObjectLoader;
- import org.eclipse.jgit.revwalk.RevCommit;
-
-
- /**
- * Unix TAR format (ustar + some PAX extensions).
- */
- public final class TarFormat extends BaseFormat implements
- ArchiveCommand.Format<ArchiveOutputStream> {
- private static final List<String> SUFFIXES = Collections
- .unmodifiableList(Arrays.asList(".tar")); //$NON-NLS-1$
-
- /** {@inheritDoc} */
- @Override
- public ArchiveOutputStream createArchiveOutputStream(OutputStream s)
- throws IOException {
- return createArchiveOutputStream(s,
- Collections.<String, Object> emptyMap());
- }
-
- /** {@inheritDoc} */
- @Override
- public ArchiveOutputStream createArchiveOutputStream(OutputStream s,
- Map<String, Object> o) throws IOException {
- TarArchiveOutputStream out = new TarArchiveOutputStream(s,
- UTF_8.name());
- out.setLongFileMode(TarArchiveOutputStream.LONGFILE_POSIX);
- out.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_POSIX);
- return applyFormatOptions(out, o);
- }
-
- /** {@inheritDoc} */
- @Override
- public void putEntry(ArchiveOutputStream out,
- ObjectId tree, String path, FileMode mode, ObjectLoader loader)
- throws IOException {
- if (mode == FileMode.SYMLINK) {
- final TarArchiveEntry entry = new TarArchiveEntry(
- path, TarConstants.LF_SYMLINK);
- entry.setLinkName(new String(loader.getCachedBytes(100), UTF_8));
- out.putArchiveEntry(entry);
- out.closeArchiveEntry();
- return;
- }
-
- // TarArchiveEntry detects directories by checking
- // for '/' at the end of the filename.
- if (path.endsWith("/") && mode != FileMode.TREE) //$NON-NLS-1$
- throw new IllegalArgumentException(MessageFormat.format(
- ArchiveText.get().pathDoesNotMatchMode, path, mode));
- if (!path.endsWith("/") && mode == FileMode.TREE) //$NON-NLS-1$
- path = path + "/"; //$NON-NLS-1$
-
- final TarArchiveEntry entry = new TarArchiveEntry(path);
-
- if (tree instanceof RevCommit) {
- long t = ((RevCommit) tree).getCommitTime() * 1000L;
- entry.setModTime(t);
- }
-
- if (mode == FileMode.TREE) {
- out.putArchiveEntry(entry);
- out.closeArchiveEntry();
- return;
- }
-
- if (mode == FileMode.REGULAR_FILE) {
- // ok
- } else if (mode == FileMode.EXECUTABLE_FILE) {
- entry.setMode(mode.getBits());
- } else {
- // Unsupported mode (e.g., GITLINK).
- throw new IllegalArgumentException(MessageFormat.format(
- ArchiveText.get().unsupportedMode, mode));
- }
- entry.setSize(loader.getSize());
- out.putArchiveEntry(entry);
- loader.copyTo(out);
- out.closeArchiveEntry();
- }
-
- /** {@inheritDoc} */
- @Override
- public Iterable<String> suffixes() {
- return SUFFIXES;
- }
-
- /** {@inheritDoc} */
- @Override
- public boolean equals(Object other) {
- return (other instanceof TarFormat);
- }
-
- /** {@inheritDoc} */
- @Override
- public int hashCode() {
- return getClass().hashCode();
- }
- }
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