From 5b7d586e5f1fe4365e693889e1becc311b3e30c3 Mon Sep 17 00:00:00 2001
From: hkim42 <hkim42@bu.edu>
Date: Sun, 31 Mar 2024 17:44:14 -0400
Subject: [PATCH] add handler for fresh start without database file

---
 src/MoleculeDatabase.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/MoleculeDatabase.java b/src/MoleculeDatabase.java
index c421ec8..57d4a93 100644
--- a/src/MoleculeDatabase.java
+++ b/src/MoleculeDatabase.java
@@ -1,5 +1,6 @@
 import edu.bu.ec504.project.Molecule;
 
+import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -85,6 +86,10 @@ public class MoleculeDatabase {
      * Load database from file system
      */
     public void load(String filename) throws IOException {
+        File dbFile = new File(filename);
+        if (!dbFile.exists()) {
+            this.save(filename);
+        }
         FileInputStream fileInStream = new FileInputStream(filename);
         ObjectInputStream objInStream = new ObjectInputStream(fileInStream);
         try {
-- 
GitLab