If a recording does not exist, show n/a for its size

common/src/main/java/ctbrec/Recording.java

@@ -1,6 +1,7 @@
 package ctbrec;
 
 import java.io.File;
+import java.io.Serializable;
 import java.time.Duration;
 import java.time.Instant;
 import java.time.LocalDateTime;
@@ -12,7 +13,7 @@ import ctbrec.event.EventBusHolder;
 import ctbrec.event.RecordingStateChangedEvent;
 import ctbrec.recorder.download.Download;
 
-public class Recording {
+public class Recording implements Serializable {
     private Model model;
     private transient Download download;
     private Instant startDate;
@@ -195,7 +196,11 @@ public class Recording {
             return getDirectorySize(rec);
         } else {
             if (!rec.exists()) {
+                if (rec.getName().endsWith(".m3u8")) {
                     return getDirectorySize(rec.getParentFile());
+                } else {
+                    return -1;
+                }
             } else {
                 return rec.length();
             }
@@ -204,6 +209,7 @@ public class Recording {
 
     private long getDirectorySize(File dir) {
         long size = 0;
+        if (dir.exists()) {
             File[] files = dir.listFiles();
             if (files == null) {
                 return 0;
@@ -211,6 +217,7 @@ public class Recording {
             for (File file : files) {
                 size += file.length();
             }
+        }
         return size;
     }
 

common/src/main/java/ctbrec/StringUtil.java

@@ -3,6 +3,8 @@ package ctbrec;
 import java.text.DecimalFormat;
 
 public class StringUtil {
+    private StringUtil() {}
+
     public static boolean isBlank(String s) {
         return s == null || s.trim().isEmpty();
     }
@@ -12,6 +14,10 @@ public class StringUtil {
     }
 
     public static String formatSize(Number sizeInByte) {
+        if (sizeInByte.longValue() < 0) {
+            return "n/a";
+        }
+
         DecimalFormat df = new DecimalFormat("0.00");
         String unit = "Bytes";
         double size = sizeInByte.doubleValue();