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/*
* Copyright (C) 2019, Matthias Sohn <matthias.sohn@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.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);
}
}
}
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