| /* |
| * Copyright (C) 2019, Matthias Sohn <matthias.sohn@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.junit.time; |
| |
| import java.io.IOException; |
| import java.io.UncheckedIOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.attribute.FileTime; |
| import java.time.Instant; |
| |
| import org.eclipse.jgit.util.FS; |
| |
| /** |
| * Utility methods for handling timestamps |
| */ |
| public class TimeUtil { |
| /** |
| * Set the lastModified time of a given file by adding a given offset to the |
| * current lastModified time |
| * |
| * @param path |
| * path of a file to set last modified |
| * @param offsetMillis |
| * offset in milliseconds, if negative the new lastModified time |
| * is offset before the original lastModified time, otherwise |
| * after the original time |
| * @return the new lastModified time |
| */ |
| public static Instant setLastModifiedWithOffset(Path path, |
| long offsetMillis) { |
| Instant mTime = FS.DETECTED.lastModifiedInstant(path) |
| .plusMillis(offsetMillis); |
| try { |
| Files.setLastModifiedTime(path, FileTime.from(mTime)); |
| return mTime; |
| } catch (IOException e) { |
| throw new UncheckedIOException(e); |
| } |
| } |
| |
| /** |
| * Set the lastModified time of file a to the one from file b |
| * |
| * @param a |
| * file to set lastModified time |
| * @param b |
| * file to read lastModified time from |
| */ |
| public static void setLastModifiedOf(Path a, Path b) { |
| Instant mTime = FS.DETECTED.lastModifiedInstant(b); |
| try { |
| Files.setLastModifiedTime(a, FileTime.from(mTime)); |
| } catch (IOException e) { |
| throw new UncheckedIOException(e); |
| } |
| } |
| |
| } |