From 61ade9adad4668494dfc32da7751e1b86251dc97 Mon Sep 17 00:00:00 2001
From: Keuin <keuinx@gmail.com>
Date: Mon, 30 Nov 2020 13:15:15 +0800
Subject: Implementing incremental backup

---
 .../keuin/kbackupfabric/util/FilesystemUtil.java   | 33 ++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/main/java/com/keuin/kbackupfabric/util/FilesystemUtil.java

(limited to 'src/main/java/com/keuin/kbackupfabric/util/FilesystemUtil.java')

diff --git a/src/main/java/com/keuin/kbackupfabric/util/FilesystemUtil.java b/src/main/java/com/keuin/kbackupfabric/util/FilesystemUtil.java
new file mode 100644
index 0000000..7f74725
--- /dev/null
+++ b/src/main/java/com/keuin/kbackupfabric/util/FilesystemUtil.java
@@ -0,0 +1,33 @@
+package com.keuin.kbackupfabric.util;
+
+import java.io.File;
+
+public class FilesystemUtil {
+
+    /**
+     * Get file sizes in bytes.
+     * @param parentDirectory path to specific file.
+     * @param fileName file name.
+     * @return bytes. If failed, return -1.
+     */
+    public static long getFileSizeBytes(String parentDirectory, String fileName) {
+        long fileSize = -1;
+        try{
+            File backupZipFile = new File(parentDirectory, fileName);
+            fileSize = backupZipFile.length();
+        } catch (SecurityException ignored){
+        }
+        return fileSize;
+    }
+
+    public static long getFileSizeBytes(String filePath) {
+        long fileSize = -1;
+        try{
+            File backupZipFile = new File(filePath);
+            fileSize = backupZipFile.length();
+        } catch (SecurityException ignored){
+        }
+        return fileSize;
+    }
+
+}
-- 
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