Use NIO2 to implement FileUtils.rename() and expose options

- use NIO2's Files.move() to reimplement rename()
- provide a second method accepting CopyOptions which can be used to 
  request atomic move.

Change-Id: Ibcf722978e65745218a1ccda45344ca295911659
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/FileUtils7Test.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/FileUtils7Test.java
index 9dc5fac5d8..4625f30683 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/FileUtils7Test.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/FileUtils7Test.java
@@ -48,6 +48,8 @@ import static org.junit.Assert.assertTrue;
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
 
 import org.junit.After;
 import org.junit.Before;
@@ -83,4 +85,14 @@ public class FileUtils7Test {
 		assertTrue(dir.exists());
 		assertTrue(file.exists());
 	}
+
+	@Test
+	public void testAtomicMove() throws IOException {
+		File src = new File(trash, "src");
+		Files.createFile(src.toPath());
+		File dst = new File(trash, "dst");
+		FileUtils.rename(src, dst, StandardCopyOption.ATOMIC_MOVE);
+		assertFalse(Files.exists(src.toPath()));
+		assertTrue(Files.exists(dst.toPath()));
+	}
 }