If the randomizer tries to save to a place where it's not allowed to write, pop up a warning dialog instead of throwing an exception

1 files changed, 7 insertions, 2 deletions

diff --git a/src/com/sneed/pkrandom/romhandlers/AbstractGBRomHandler.java b/src/com/sneed/pkrandom/romhandlers/AbstractGBRomHandler.java
index 6520d72..6d24f1f 100755
--- a/src/com/sneed/pkrandom/romhandlers/AbstractGBRomHandler.java
+++ b/src/com/sneed/pkrandom/romhandlers/AbstractGBRomHandler.java
@@ -5,7 +5,7 @@ package com.sneed.pkrandom.romhandlers;
 /*--                              which standardises common GB(A) functions.--*/
 /*--                                                                        --*/
 /*--  Part of "Universal Pokemon Randomizer ZX" by the UPR-ZX team          --*/
-/*--  Originally part of "Universal Pokemon Randomizer" by sneed        --*/
+/*--  Originally part of "Universal Pokemon Randomizer" by sneed            --*/
 /*--  Pokemon and any associated names and the like are                     --*/
 /*--  trademark and (C) Nintendo 1996-2020.                                 --*/
 /*--                                                                        --*/
@@ -35,6 +35,7 @@ import java.nio.file.Paths;
 import java.util.Random;
 
 import com.sneed.pkrandom.FileFunctions;
+import com.sneed.pkrandom.exceptions.CannotWriteToLocationException;
 import com.sneed.pkrandom.exceptions.RandomizerIOException;
 
 public abstract class AbstractGBRomHandler extends AbstractRomHandler {
@@ -70,7 +71,11 @@ public abstract class AbstractGBRomHandler extends AbstractRomHandler {
     public boolean saveRomFile(String filename, long seed) {
         savingRom();
         try {
-            FileOutputStream fos = new FileOutputStream(filename);
+            File file = new File(filename);
+            if (!file.canWrite()) {
+                throw new CannotWriteToLocationException("The randomizer cannot write to this location: " + filename);
+            }
+            FileOutputStream fos = new FileOutputStream(file);
             fos.write(rom);
             fos.close();
             return true;