Throw a friendly error message for empty files

ausbin · ausbin · commit e3f108aa00ed · 2023-09-26T18:32:16.000-04:00
Our counterpart of ra4king#99
diff --git a/src/main/java/com/ra4king/circuitsim/gui/file/FileFormat.java b/src/main/java/com/ra4king/circuitsim/gui/file/FileFormat.java
@@ -290,6 +290,9 @@ public static String stringify(CircuitFile circuitFile) {
 	
 	public static CircuitFile load(File file, boolean taDebugMode) throws IOException {
 		CircuitFile savedFile = parse(readFile(file));
+		if (savedFile == null) {
+			throw new NullPointerException("File is empty!");
+		}
 		if (!taDebugMode && !savedFile.revisionSignaturesAreValid()) {
 			throw new NullPointerException("File is corrupted. Contact Course Staff for Assistance.");
 		}

Original file line number	Diff line number	Diff line change
`@@ -290,6 +290,9 @@ public static String stringify(CircuitFile circuitFile) {`
`290`	`290`
`291`	`291`	`public static CircuitFile load(File file, boolean taDebugMode) throws IOException {`
`292`	`292`	`CircuitFile savedFile = parse(readFile(file));`
	`293`	`+ if (savedFile == null) {`
	`294`	`+ throw new NullPointerException("File is empty!");`
	`295`	`+ }`
`293`	`296`	`if (!taDebugMode && !savedFile.revisionSignaturesAreValid()) {`
`294`	`297`	`throw new NullPointerException("File is corrupted. Contact Course Staff for Assistance.");`
`295`	`298`	`}`