1 files changed, 64 insertions, 0 deletions
diff --git a/src/main/java/com/keuin/kbackupfabric/backup/incremental/serializer/SavedIncBackupV0.java b/src/main/java/com/keuin/kbackupfabric/backup/incremental/serializer/SavedIncBackupV0.java
new file mode 100644
index 0000000..8b4a4a1
--- /dev/null
+++ b/src/main/java/com/keuin/kbackupfabric/backup/incremental/serializer/SavedIncBackupV0.java
@@ -0,0 +1,64 @@
+package com.keuin.kbackupfabric.backup.incremental.serializer;
+
+import com.keuin.kbackupfabric.backup.incremental.ObjectCollection2;
+import com.keuin.kbackupfabric.backup.name.BackupFileNameEncoder;
+
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+import java.util.Objects;
+
+/**
+ * The old-style incremental backup. Just to keep backward compatibility with old backups.
+ */
+public class SavedIncBackupV0 implements SavedIncrementalBackup {
+
+    private final ObjectCollection2 objectCollection2;
+    private final String backupName;
+    private final LocalDateTime namedBackupTime;
+
+    public SavedIncBackupV0(ObjectCollection2 objectCollection2, BackupFileNameEncoder.BackupBasicInformation backupBasicInformation) {
+        Objects.requireNonNull(objectCollection2);
+        Objects.requireNonNull(backupBasicInformation);
+
+        this.objectCollection2 = objectCollection2;
+        this.backupName = backupBasicInformation.customName;
+        this.namedBackupTime = backupBasicInformation.time;
+    }
+
+
+    @Override
+    public ObjectCollection2 getObjectCollection() {
+        return objectCollection2;
+    }
+
+    @Override
+    public String getBackupName() {
+        return backupName;
+    }
+
+    @Override
+    public ZonedDateTime getBackupTime() {
+        return namedBackupTime.atZone(ZoneId.systemDefault());
+    }
+
+    @Override
+    public int getFilesAdded() {
+        return -1; // missing info
+    }
+
+    @Override
+    public long getTotalSizeBytes() {
+        return -1; // missing info
+    }
+
+    @Override
+    public long getIncreasedSizeBytes() {
+        return -1; // missing info
+    }
+
+    @Override
+    public String toString() {
+        return String.format("(Legacy Backup) %s, created at %s", backupName, namedBackupTime);
+    }
+}