Deprecate redundant FileUtil.delete(File), use FileUtils instead

Bug: 475070
Change-Id: I6dc651f4b47e1b2c8d7954ec982e21ae6bb5f7a6
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java

@@ -285,9 +285,7 @@ public abstract class FS {
 	 * @since 3.3
 	 */
 	public void delete(File f) throws IOException {
-		if (!f.delete())
-			throw new IOException(MessageFormat.format(
-					JGitText.get().deleteFileFailed, f.getAbsolutePath()));
+		FileUtils.delete(f);
 	}
 
 	/**

org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java

@@ -260,11 +260,6 @@ public class FS_POSIX extends FS {
 		FileUtil.setLastModified(path, time);
 	}
 
-	@Override
-	public void delete(File path) throws IOException {
-		FileUtil.delete(path);
-	}
-
 	@Override
 	public long length(File f) throws IOException {
 		return FileUtil.getLength(f);

org.eclipse.jgit/src/org/eclipse/jgit/util/FS_Win32.java

@@ -198,11 +198,6 @@ public class FS_Win32 extends FS {
 		FileUtil.setLastModified(path, time);
 	}
 
-	@Override
-	public void delete(File path) throws IOException {
-		FileUtil.delete(path);
-	}
-
 	@Override
 	public long length(File f) throws IOException {
 		return FileUtil.getLength(f);

org.eclipse.jgit/src/org/eclipse/jgit/util/FS_Win32_Cygwin.java

@@ -183,11 +183,6 @@ public class FS_Win32_Cygwin extends FS_Win32 {
 		FileUtil.setLastModified(path, time);
 	}
 
-	@Override
-	public void delete(File path) throws IOException {
-		FileUtil.delete(path);
-	}
-
 	@Override
 	public long length(File f) throws IOException {
 		return FileUtil.getLength(f);

org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtil.java

@@ -193,10 +193,11 @@ public class FileUtil {
 	/**
 	 * @param path
 	 * @throws IOException
+	 * @deprecated use {@link FileUtils#delete(File)}
 	 */
+	@Deprecated
 	public static void delete(File path) throws IOException {
-		Path nioPath = path.toPath();
-		Files.delete(nioPath);
+		FileUtils.delete(path);
 	}
 
 	static Attributes getFileAttributesBasic(FS fs, File path) {