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The following commit(s) were added to refs/heads/master by this push:
new 2d37ab6 IO-700: provide method overload for moveFile (#185)
2d37ab6 is described below
commit 2d37ab6a0d53fce60095b352d36dddd9d26f5ab0
Author: tza <t...@silbergrau.com>
AuthorDate: Tue Jan 12 21:32:04 2021 +0100
IO-700: provide method overload for moveFile (#185)
- added test cases
- updated javadoc for "copy and delete" with setLastModified
---
src/main/java/org/apache/commons/io/FileUtils.java | 34 +++++++++++-
.../org/apache/commons/io/FileUtilsTestCase.java | 61 ++++++++++++++++++++++
2 files changed, 94 insertions(+), 1 deletion(-)
diff --git a/src/main/java/org/apache/commons/io/FileUtils.java
b/src/main/java/org/apache/commons/io/FileUtils.java
index 4919d02..2c25bac 100644
--- a/src/main/java/org/apache/commons/io/FileUtils.java
+++ b/src/main/java/org/apache/commons/io/FileUtils.java
@@ -2159,6 +2159,11 @@ public class FileUtils {
* <p>
* When the destination file is on another file system, do a "copy and
delete".
* </p>
+ * <p>
+ * <strong>Note:</strong> This method tries to preserve the file's last
modified date/times using
+ * {@link File#setLastModified(long)} when destination is another file
system, however it is not guaranteed that the
+ * operation will succeed. If the modification operation fails, the
methods throws IOException.
+ * </p>
*
* @param srcFile the file to be moved.
* @param destFile the destination file.
@@ -2169,12 +2174,39 @@ public class FileUtils {
* @since 1.4
*/
public static void moveFile(final File srcFile, final File destFile)
throws IOException {
+ moveFile(srcFile, destFile, true);
+ }
+
+ /**
+ * Moves a file.
+ * <p>
+ * When the destination file is on another file system, do a "copy and
delete".
+ * </p>
+ * <p>
+ * <strong>Note:</strong> Setting <code>preserveFileDate</code> to {@code
true} tries to preserve the files' last
+ * modified date/times using {@link File#setLastModified(long)} when
destination is another file system, however it
+ * is not guaranteed that those operations will succeed. If the
modification operation fails, the methods throws
+ * IOException.
+ * </p>
+ *
+ * @param srcFile the file to be moved.
+ * @param destFile the destination file.
+ * @param preserveFileDate true if the file date of the "copy and delete"
should be the same as the original when
+ * destination is on another file system. Param is not used if
destination is on same file system.
+ * @throws NullPointerException if any of the given {@code File}s are
{@code null}.
+ * @throws FileExistsException if the destination file exists.
+ * @throws IOException if source or destination is invalid.
+ * @throws IOException if an error occurs or setting the last-modified
time didn't succeeded.
+ * @since 2.9.0
+ */
+ public static void moveFile(final File srcFile, final File destFile, final
boolean preserveFileDate)
+ throws IOException {
validateMoveParameters(srcFile, destFile);
requireFile(srcFile, "srcFile");
requireAbsent(destFile, null);
final boolean rename = srcFile.renameTo(destFile);
if (!rename) {
- copyFile(srcFile, destFile);
+ copyFile(srcFile, destFile, preserveFileDate);
if (!srcFile.delete()) {
FileUtils.deleteQuietly(destFile);
throw new IOException("Failed to delete original file '" +
srcFile +
diff --git a/src/test/java/org/apache/commons/io/FileUtilsTestCase.java
b/src/test/java/org/apache/commons/io/FileUtilsTestCase.java
index dad0628..327322f 100644
--- a/src/test/java/org/apache/commons/io/FileUtilsTestCase.java
+++ b/src/test/java/org/apache/commons/io/FileUtilsTestCase.java
@@ -2164,6 +2164,67 @@ public class FileUtilsTestCase {
assertTrue(destination.exists(), "Check Exist");
assertTrue(!src.exists(), "Original deleted");
}
+
+ @Test
+ public void testMoveFile_CopyDelete_WithFileDatePreservation() throws
Exception {
+ final File destination = new File(temporaryFolder, "move2.txt");
+
+ backDateFile10Minutes(testFile1); // set test file back 10 minutes
+
+ final File src = new File(testFile1.getAbsolutePath()) {
+ private static final long serialVersionUID = 1L;
+
+ // Force renameTo to fail, as if destination is on another
+ // filesystem
+ @Override
+ public boolean renameTo(final File f) {
+ return false;
+ }
+ };
+ final long expected = getLastModifiedMillis(testFile1);
+
+ FileUtils.moveFile(src, destination, true);
+ assertTrue(destination.exists(), "Check Exist");
+ assertTrue(!src.exists(), "Original deleted");
+
+ final long destLastMod = getLastModifiedMillis(destination);
+ final long delta = destLastMod - expected;
+ assertEquals(expected, destLastMod, "Check last modified date same as
input, delta " + delta);
+ }
+
+ @Test
+ public void testMoveFile_CopyDelete_WithoutFileDatePreservation() throws
Exception {
+ final File destination = new File(temporaryFolder, "move2.txt");
+
+ backDateFile10Minutes(testFile1); // set test file back 10 minutes
+
+ // destination file time should not be less than this (allowing for
granularity)
+ final long now = System.currentTimeMillis() - 1000L;
+
+ final File src = new File(testFile1.getAbsolutePath()) {
+ private static final long serialVersionUID = 1L;
+
+ // Force renameTo to fail, as if destination is on another
+ // filesystem
+ @Override
+ public boolean renameTo(final File f) {
+ return false;
+ }
+ };
+ final long unexpected = getLastModifiedMillis(testFile1);
+
+ FileUtils.moveFile(src, destination, false);
+ assertTrue(destination.exists(), "Check Exist");
+ assertTrue(!src.exists(), "Original deleted");
+
+ // On Windows, the last modified time is copied by default.
+ if (!SystemUtils.IS_OS_WINDOWS) {
+ final long destLastMod = getLastModifiedMillis(destination);
+ final long delta = destLastMod - unexpected;
+ assertNotEquals(unexpected, destLastMod, "Check last modified date
not same as input, delta " + delta);
+ assertTrue(destLastMod > now, destLastMod + " > " + now + " (delta
" + delta + ")");
+ }
+ }
@Test
public void testMoveFile_CopyDelete_Failed() throws Exception {
