Refactor for a better code quality

3 files changed, 31 insertions, 1 deletions

diff --git a/src/main/java/com/keuin/kbackupfabric/operation/backup/feedback/BackupFeedback.java b/src/main/java/com/keuin/kbackupfabric/operation/backup/feedback/BackupFeedback.java
index 92a9f39..0fe0766 100644
--- a/src/main/java/com/keuin/kbackupfabric/operation/backup/feedback/BackupFeedback.java
+++ b/src/main/java/com/keuin/kbackupfabric/operation/backup/feedback/BackupFeedback.java
@@ -2,4 +2,5 @@ package com.keuin.kbackupfabric.operation.backup.feedback;
 
 public interface BackupFeedback {
     String getFeedback();
+    boolean isSuccess();
 }
diff --git a/src/main/java/com/keuin/kbackupfabric/operation/backup/feedback/IncrementalBackupFeedback.java b/src/main/java/com/keuin/kbackupfabric/operation/backup/feedback/IncrementalBackupFeedback.java
new file mode 100644
index 0000000..f39fde6
--- /dev/null
+++ b/src/main/java/com/keuin/kbackupfabric/operation/backup/feedback/IncrementalBackupFeedback.java
@@ -0,0 +1,28 @@
+package com.keuin.kbackupfabric.operation.backup.feedback;
+
+public class IncrementalBackupFeedback implements BackupFeedback {
+    private final boolean success;
+    private final int newFilesAdded;
+
+    public IncrementalBackupFeedback(boolean success, int newFilesAdded) {
+        this.success = success;
+        this.newFilesAdded = newFilesAdded;
+    }
+
+    @Override
+    public boolean isSuccess() {
+        return success;
+    }
+
+    public long getNewFilesAdded() {
+        return newFilesAdded;
+    }
+
+    @Override
+    public String getFeedback() {
+        if (success && newFilesAdded >= 0)
+            return String.format("File(s) added: %d.", newFilesAdded);
+        else
+            return "";
+    }
+}
diff --git a/src/main/java/com/keuin/kbackupfabric/operation/backup/feedback/PrimitiveBackupFeedback.java b/src/main/java/com/keuin/kbackupfabric/operation/backup/feedback/PrimitiveBackupFeedback.java
index 6d7a15b..3bcd012 100644
--- a/src/main/java/com/keuin/kbackupfabric/operation/backup/feedback/PrimitiveBackupFeedback.java
+++ b/src/main/java/com/keuin/kbackupfabric/operation/backup/feedback/PrimitiveBackupFeedback.java
@@ -11,6 +11,7 @@ public class PrimitiveBackupFeedback implements BackupFeedback {
         this.backupSizeBytes = backupSizeBytes;
     }
 
+    @Override
     public boolean isSuccess() {
         return success;
     }
@@ -22,7 +23,7 @@ public class PrimitiveBackupFeedback implements BackupFeedback {
     @Override
     public String getFeedback() {
         if (success && backupSizeBytes >= 0)
-            return String.format(" File size: %s.", getFriendlyFileSizeString(backupSizeBytes));
+            return String.format("File size: %s.", getFriendlyFileSizeString(backupSizeBytes));
         else
             return "";
     }