From 483d91a54912f2c87d6d686184f66a8d091ef9b7 Mon Sep 17 00:00:00 2001
From: Keuin <keuinx@gmail.com>
Date: Sat, 23 Jan 2021 15:44:15 +0800
Subject: Now it will display information after restoring from an incremental
 backup

---
 .../method/ConfiguredIncrementalBackupMethod.java      | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/main/java/com/keuin/kbackupfabric/operation/backup/method')

diff --git a/src/main/java/com/keuin/kbackupfabric/operation/backup/method/ConfiguredIncrementalBackupMethod.java b/src/main/java/com/keuin/kbackupfabric/operation/backup/method/ConfiguredIncrementalBackupMethod.java
index 2320ef3..c4be40d 100644
--- a/src/main/java/com/keuin/kbackupfabric/operation/backup/method/ConfiguredIncrementalBackupMethod.java
+++ b/src/main/java/com/keuin/kbackupfabric/operation/backup/method/ConfiguredIncrementalBackupMethod.java
@@ -9,13 +9,17 @@ import com.keuin.kbackupfabric.backup.incremental.serializer.IncBackupInfoSerial
 import com.keuin.kbackupfabric.backup.incremental.serializer.SavedIncrementalBackup;
 import com.keuin.kbackupfabric.backup.name.BackupFileNameEncoder;
 import com.keuin.kbackupfabric.backup.name.IncrementalBackupFileNameEncoder;
+import com.keuin.kbackupfabric.metadata.BackupMetadata;
 import com.keuin.kbackupfabric.operation.backup.feedback.IncrementalBackupFeedback;
 import com.keuin.kbackupfabric.util.FilesystemUtil;
 import com.keuin.kbackupfabric.util.PrintUtil;
 import com.keuin.kbackupfabric.util.ThreadingUtil;
 
 import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.ObjectOutputStream;
+import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.time.ZoneId;
 import java.util.Arrays;
@@ -127,6 +131,20 @@ public class ConfiguredIncrementalBackupMethod implements ConfiguredBackupMethod
         IncrementalBackupStorageManager storageManager = new IncrementalBackupStorageManager(Paths.get(backupBaseDirectory));
         int restoreObjectCount = storageManager.restoreObjectCollection(info.getObjectCollection(), levelPathFile);
 
+        // write metadata file
+        File metadataFile = new File(levelPathFile, BackupMetadata.metadataFileName);
+        try (FileOutputStream fos = new FileOutputStream(metadataFile)) {
+            try (ObjectOutputStream oos = new ObjectOutputStream(fos)) {
+                oos.writeObject(new BackupMetadata(info.getBackupTime().toEpochSecond() * 1000, info.getBackupName()));
+            }
+        } catch (IOException e) {
+            PrintUtil.warn("Failed to write restore metadata: " + e + ". KBackup won't print restoration information during the next startup.");
+            try {
+                Files.deleteIfExists(metadataFile.toPath());
+            } catch (IOException ignored) {
+            }
+        }
+
         PrintUtil.info(String.format("%d file(s) restored.", restoreObjectCount));
         return true;
     }
-- 
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