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- /*
- * Copyright (C) 2016, Christian Halstrick <christian.halstrick@sap.com> 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.lfs;
-
- import static org.eclipse.jgit.lib.Constants.OBJECTS;
-
- import java.io.IOException;
- import java.nio.file.Files;
- import java.nio.file.Path;
-
- import org.eclipse.jgit.lfs.lib.AnyLongObjectId;
- import org.eclipse.jgit.lfs.lib.Constants;
- import org.eclipse.jgit.lib.Repository;
-
- /**
- * Class which represents the lfs folder hierarchy inside a {@code .git} folder
- *
- * @since 4.6
- */
- public class Lfs {
- private Path root;
-
- private Path objDir;
-
- private Path tmpDir;
-
- /**
- * Constructor for Lfs.
- *
- * @param db
- * the associated repo
- *
- * @since 4.11
- */
- public Lfs(Repository db) {
- this.root = db.getDirectory().toPath().resolve(Constants.LFS);
- }
-
- /**
- * Get the LFS root directory
- *
- * @return the path to the LFS directory
- */
- public Path getLfsRoot() {
- return root;
- }
-
- /**
- * Get the path to the temporary directory used by LFS.
- *
- * @return the path to the temporary directory used by LFS. Will be
- * {@code <repo>/.git/lfs/tmp}
- */
- public Path getLfsTmpDir() {
- if (tmpDir == null) {
- tmpDir = root.resolve("tmp"); //$NON-NLS-1$
- }
- return tmpDir;
- }
-
- /**
- * Get the object directory used by LFS
- *
- * @return the path to the object directory used by LFS. Will be
- * {@code <repo>/.git/lfs/objects}
- */
- public Path getLfsObjDir() {
- if (objDir == null) {
- objDir = root.resolve(OBJECTS);
- }
- return objDir;
- }
-
- /**
- * Get the media file which stores the original content
- *
- * @param id
- * the id of the mediafile
- * @return the file which stores the original content. Its path will look
- * like
- * {@code "<repo>/.git/lfs/objects/<firstTwoLettersOfID>/<remainingLettersOfID>"}
- */
- public Path getMediaFile(AnyLongObjectId id) {
- String idStr = id.name();
- return getLfsObjDir().resolve(idStr.substring(0, 2))
- .resolve(idStr.substring(2, 4)).resolve(idStr);
- }
-
- /**
- * Create a new temp file in the LFS directory
- *
- * @return a new temporary file in the LFS directory
- * @throws java.io.IOException
- * when the temp file could not be created
- */
- public Path createTmpFile() throws IOException {
- return Files.createTempFile(getLfsTmpDir(), null, null);
- }
-
- }
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