1 files changed, 20 insertions, 44 deletions

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/EmptyTreeIterator.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/EmptyTreeIterator.java
index 8dbf80e6a8..32368dcfb8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/EmptyTreeIterator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/EmptyTreeIterator.java
@@ -1,46 +1,13 @@
 /*
  * Copyright (C) 2008-2009, Google Inc.
  * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com>
- * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
- * and other copyright owners as documented in the project's IP log.
+ * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> and others
  *
- * 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
+ * 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.
  *
- * 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 package org.eclipse.jgit.treewalk;
@@ -52,14 +19,18 @@ import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.ObjectReader;
 
-/** Iterator over an empty tree (a directory with no files). */
+/**
+ * Iterator over an empty tree (a directory with no files).
+ */
 public class EmptyTreeIterator extends AbstractTreeIterator {
-	/** Create a new iterator with no parent. */
+	/**
+	 * Create a new iterator with no parent.
+	 */
 	public EmptyTreeIterator() {
 		// Create a root empty tree.
 	}
 
-	EmptyTreeIterator(final AbstractTreeIterator p) {
+	EmptyTreeIterator(AbstractTreeIterator p) {
 		super(p);
 		pathLen = pathOffset;
 	}
@@ -87,7 +58,7 @@ public class EmptyTreeIterator extends AbstractTreeIterator {
 	}
 
 	@Override
-	public AbstractTreeIterator createSubtreeIterator(final ObjectReader reader)
+	public AbstractTreeIterator createSubtreeIterator(ObjectReader reader)
 			throws IncorrectObjectTypeException, IOException {
 		return new EmptyTreeIterator(this);
 	}
@@ -128,12 +99,12 @@ public class EmptyTreeIterator extends AbstractTreeIterator {
 	}
 
 	@Override
-	public void next(final int delta) throws CorruptObjectException {
+	public void next(int delta) throws CorruptObjectException {
 		// Do nothing.
 	}
 
 	@Override
-	public void back(final int delta) throws CorruptObjectException {
+	public void back(int delta) throws CorruptObjectException {
 		// Do nothing.
 	}
 
@@ -142,4 +113,9 @@ public class EmptyTreeIterator extends AbstractTreeIterator {
 		if (parent != null)
 			parent.stopWalk();
 	}
+
+	@Override
+	protected boolean needsStopWalk() {
+		return parent != null && parent.needsStopWalk();
+	}
 }