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- /*
- * Copyright (C) 2016, Christian Halstrick <christian.halstrick@sap.com>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- package org.eclipse.jgit.lfs;
-
- import java.io.IOException;
- import java.nio.file.Files;
- import java.nio.file.Path;
-
- import org.eclipse.jgit.lfs.lib.AnyLongObjectId;
-
- /**
- * Class which represents the lfs folder hierarchy inside a .git folder
- *
- * @since 4.6
- */
- public class Lfs {
- private Path root;
-
- private Path objDir;
-
- private Path tmpDir;
-
- /**
- * @param root
- * the path to the LFS media directory. Will be "<repo>/.git/lfs"
- */
- public Lfs(Path root) {
- this.root = root;
- }
-
- /**
- * @return the path to the LFS directory
- */
- public Path getLfsRoot() {
- return root;
- }
-
- /**
- * @return the path to the temp directory used by LFS. Will be
- * "<repo>/.git/lfs/tmp"
- */
- public Path getLfsTmpDir() {
- if (tmpDir == null) {
- tmpDir = root.resolve("tmp"); //$NON-NLS-1$
- }
- return tmpDir;
- }
-
- /**
- * @return the path to the object directory used by LFS. Will be
- * "<repo>/.git/lfs/objects"
- */
- public Path getLfsObjDir() {
- if (objDir == null) {
- objDir = root.resolve("objects"); //$NON-NLS-1$
- }
- return objDir;
- }
-
- /**
- * @param id
- * the id of the mediafile
- * @return the file which stores the original content. This will be files
- * underneath
- * "<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));
- }
-
- /**
- * Create a new temp file in the LFS directory
- *
- * @return a new temporary file in the LFS directory
- * @throws IOException
- * when the temp file could not be created
- */
- public Path createTmpFile() throws IOException {
- return Files.createTempFile(getLfsTmpDir(), null, null);
- }
-
- }
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