From 3714e7b044d1651280e2e6bbcc23123aa8b846d8 Mon Sep 17 00:00:00 2001
From: Juergen Hoeller <jhoeller@pivotal.io>
Date: Mon, 10 Jul 2017 14:25:13 +0200
Subject: [PATCH] Deprecate FileSystemUtils

Issue: SPR-15748
---
 .../java/org/springframework/util/FileSystemUtils.java   | 9 +++++----
 .../org/springframework/util/FileSystemUtilsTests.java   | 3 ++-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/spring-core/src/main/java/org/springframework/util/FileSystemUtils.java b/spring-core/src/main/java/org/springframework/util/FileSystemUtils.java
index f42a89c1fa..5445f006f1 100644
--- a/spring-core/src/main/java/org/springframework/util/FileSystemUtils.java
+++ b/spring-core/src/main/java/org/springframework/util/FileSystemUtils.java
@@ -27,7 +27,9 @@ import org.springframework.lang.Nullable;
  * @author Rob Harrop
  * @author Juergen Hoeller
  * @since 2.5.3
+ * @deprecated as of Spring Framework 5.0, in favor of native NIO API usage
  */
+@Deprecated
 public abstract class FileSystemUtils {
 
 	/**
@@ -60,7 +62,8 @@ public abstract class FileSystemUtils {
 	 * @throws IOException in the case of I/O errors
 	 */
 	public static void copyRecursively(@Nullable File src, File dest) throws IOException {
-		Assert.isTrue(src != null && (src.isDirectory() || src.isFile()), "Source File must denote a directory or file");
+		Assert.isTrue(src != null && (src.isDirectory() || src.isFile()),
+				"Source File must denote a directory or file");
 		Assert.notNull(dest, "Destination File must not be null");
 		doCopyRecursively(src, dest);
 	}
@@ -88,9 +91,7 @@ public abstract class FileSystemUtils {
 				dest.createNewFile();
 			}
 			catch (IOException ex) {
-				IOException ioex = new IOException("Failed to create file: " + dest);
-				ioex.initCause(ex);
-				throw ioex;
+				throw new IOException("Failed to create file: " + dest, ex);
 			}
 			FileCopyUtils.copy(src, dest);
 		}
diff --git a/spring-core/src/test/java/org/springframework/util/FileSystemUtilsTests.java b/spring-core/src/test/java/org/springframework/util/FileSystemUtilsTests.java
index e9819aa170..dd56271ac3 100644
--- a/spring-core/src/test/java/org/springframework/util/FileSystemUtilsTests.java
+++ b/spring-core/src/test/java/org/springframework/util/FileSystemUtilsTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2017 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@ import static org.junit.Assert.*;
 /**
  * @author Rob Harrop
  */
+@Deprecated
 public class FileSystemUtilsTests {
 
 	@Test