From 31d314f7b5de22db089068de2923d9eddb5d7ef2 Mon Sep 17 00:00:00 2001
From: mikr <michael.krimgen@ximedes.com>
Date: Tue, 14 Jul 2020 14:11:12 +0200
Subject: [PATCH] JAVA-2097 Update "Rename File" article

---
 core-java-modules/core-java-io/README.md      |  1 +
 .../baeldung/rename/RenameFileUnitTest.java   | 64 +++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 core-java-modules/core-java-io/src/test/java/com/baeldung/rename/RenameFileUnitTest.java

diff --git a/core-java-modules/core-java-io/README.md b/core-java-modules/core-java-io/README.md
index dd0f4f58c3..c8a189ac81 100644
--- a/core-java-modules/core-java-io/README.md
+++ b/core-java-modules/core-java-io/README.md
@@ -12,4 +12,5 @@ This module contains articles about core Java input and output (IO)
 - [Getting a File’s Mime Type in Java](https://www.baeldung.com/java-file-mime-type)
 - [How to Avoid the Java FileNotFoundException When Loading Resources](https://www.baeldung.com/java-classpath-resource-cannot-be-opened)
 - [Create a Directory in Java](https://www.baeldung.com/java-create-directory)
+- [Java – Rename or Move a File](https://www.baeldung.com/java-how-to-rename-or-move-a-file)
 - [[More -->]](/core-java-modules/core-java-io-2)
diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/rename/RenameFileUnitTest.java b/core-java-modules/core-java-io/src/test/java/com/baeldung/rename/RenameFileUnitTest.java
new file mode 100644
index 0000000000..f4c4e99dac
--- /dev/null
+++ b/core-java-modules/core-java-io/src/test/java/com/baeldung/rename/RenameFileUnitTest.java
@@ -0,0 +1,64 @@
+package com.baeldung.rename;
+
+import org.apache.commons.io.FileUtils;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.FileSystemException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public class RenameFileUnitTest {
+
+    private final String FILE_TO_MOVE = "src/test/resources/originalFileToMove.txt";
+    private final String TARGET_FILE = "src/test/resources/targetFileToMove.txt";
+
+    @BeforeEach
+    public void createFileToMove() throws IOException {
+        File fileToMove = new File(FILE_TO_MOVE);
+        fileToMove.createNewFile();
+    }
+
+    @AfterEach
+    public void cleanUpFiles() {
+        File targetFile = new File(TARGET_FILE);
+        targetFile.delete();
+    }
+
+    @Test
+    public void givenUsingNio_whenMovingFile_thenCorrect() throws IOException {
+        Path fileToMovePath = Paths.get(FILE_TO_MOVE);
+        Path targetPath = Paths.get(TARGET_FILE);
+        Files.move(fileToMovePath, targetPath);
+    }
+
+    @Test
+    public void givenUsingFileClass_whenMovingFile_thenCorrect() throws IOException {
+        File fileToMove = new File(FILE_TO_MOVE);
+        boolean isMoved = fileToMove.renameTo(new File(TARGET_FILE));
+        if (!isMoved) {
+            throw new FileSystemException(TARGET_FILE);
+        }
+    }
+
+    @Test
+    public void givenUsingGuava_whenMovingFile_thenCorrect()
+            throws IOException {
+        File fileToMove = new File(FILE_TO_MOVE);
+        File targetFile = new File(TARGET_FILE);
+
+        com.google.common.io.Files.move(fileToMove, targetFile);
+    }
+
+    @Test
+    public void givenUsingApache_whenMovingFile_thenCorrect() throws IOException {
+        FileUtils.moveFile(
+                FileUtils.getFile(FILE_TO_MOVE),
+                FileUtils.getFile(TARGET_FILE));
+    }
+
+}