#1015, #1466, #1513 Better error messages during saving, display message on out of memory

src/com/jpexs/decompiler/flash/gui/Main.java

@@ -1072,6 +1072,12 @@ public class Main {
                         bos.write((swfSize >> 24) & 0xff);
                 }
             }
+        } catch (Throwable t) {
+            stopSaving(savedFile);
+            if (tmpFile.exists()) {
+                tmpFile.delete();
+            }
+            throw t;
         }
         if (tmpFile.exists()) {
             if (tmpFile.length() > 0) {
@@ -1534,13 +1540,36 @@ public class Main {
                 Main.saveFile(swf, fileName, mode, exeExportMode);
                 Configuration.lastSaveDir.set(file.getParentFile().getAbsolutePath());
                 return true;
-            } catch (IOException ex) {
-                View.showMessageDialog(null, AppStrings.translate("error.file.write"));
+            } catch (Exception | OutOfMemoryError | StackOverflowError ex) {
+                handleSaveError(ex);
             }
         }
         return false;
     }
 
+    public static void handleSaveError(Throwable ex) {
+        Logger.getLogger(Main.class.getName()).log(Level.SEVERE, "Error saving file", ex);
+        if (ex instanceof OutOfMemoryError) {
+            String errorMessage = AppStrings.translate("error.file.save") + ".";
+            errorMessage += " ";
+            long heapMaxSize = Runtime.getRuntime().maxMemory();
+            long heapMaxSizeMb = heapMaxSize / 1024 / 1024;
+            String currentMaxHeap = "" + heapMaxSizeMb + "m";
+            errorMessage += AppStrings.translate("error.outOfMemory").replace("%maxheap%", currentMaxHeap);
+            errorMessage += "\n";
+            if (Platform.isWindows()) {
+                errorMessage += AppStrings.translate("error.outOfMemory.windows");
+            } else {
+                errorMessage += AppStrings.translate("error.outOfMemory.unixmac");
+            }
+            errorMessage += "\n";
+            errorMessage += AppStrings.translate("error.outOfMemory.64bit");
+            View.showMessageDialog(null, errorMessage, AppStrings.translate("error.outOfMemory.title"), JOptionPane.ERROR_MESSAGE);
+        } else {
+            View.showMessageDialog(null, AppStrings.translate("error.file.save") + ": " + ex.getLocalizedMessage(), AppStrings.translate("error"), JOptionPane.ERROR_MESSAGE);
+        }
+    }
+
     public static boolean openFileDialog() {
         View.checkAccess();
 

src/com/jpexs/decompiler/flash/gui/MainFrameMenu.java

@@ -159,9 +159,8 @@ public abstract class MainFrameMenu implements MenuBuilder {
                 try {
                     Main.saveFile(swf, swf.getFile());
                     saved = true;
-                } catch (IOException ex) {
-                    Logger.getLogger(MainFrameMenu.class.getName()).log(Level.SEVERE, null, ex);
-                    View.showMessageDialog(null, translate("error.file.save"), translate("error"), JOptionPane.ERROR_MESSAGE);
+                } catch (Exception | OutOfMemoryError | StackOverflowError ex) {
+                    Main.handleSaveError(ex);
                 }
             }
             if (saved) {

src/com/jpexs/decompiler/flash/gui/locales/MainFrame.properties

@@ -807,4 +807,11 @@ message.character.notfound = Character %characterid% not found.
 FileChooser.preview = Preview
 FileChooser.previewNotAvailable = (preview not available)
 
-button.freetransform = Free transform
+button.freetransform = Free transform
+
+error.outOfMemory.title = Error - out of memory
+error.outOfMemory = The decompiler ran out of memory. Current maximum size of Java Heap is set to %maxheap%.
+error.outOfMemory.windows = You can increase this maximum by editing "ffdec.bat" file and then running the app via this file instead of "ffdec.exe".
+error.outOfMemory.unixmac = You can increase this maximum by editing "ffdec.sh" file.
+error.outOfMemory.64bit = You need 64 bit OS and 64 bit Java to use more than cca 1GB.
+

src/com/jpexs/decompiler/flash/gui/locales/MainFrame_cs.properties

@@ -783,4 +783,10 @@ message.character.notfound = Charakter %characterid% nenalezen.
 FileChooser.preview = N\u00e1hled
 FileChooser.previewNotAvailable = (n\u00e1hled nen\u00ed dostupn\u00fd)
 
-button.freetransform = Voln\u00e1 transformace
+button.freetransform = Voln\u00e1 transformace
+
+error.outOfMemory.title = Chyba - do\u0161la pam\u011b\u0165
+error.outOfMemory = Dekompil\u00e1toru do\u0161la pam\u011b\u0165. Aktu\u00e1ln\u00ed maxim\u00e1ln\u00ed velikost Java Heapu je nastavena na %maxheap%.
+error.outOfMemory.windows = Toto maximum m\u016f\u017eete nav\u00fd\u0161it upraven\u00edm souboru "ffdec.bat" a pak spou\u0161t\u011bn\u00edm aplikace p\u0159es tento soubor m\u00edsto "ffdec.exe".
+error.outOfMemory.unixmac = Toto maximum m\u016f\u017eete nav\u00fd\u0161it upraven\u00edm souboru "ffdec.sh".
+error.outOfMemory.64bit = Pro pou\u017eit\u00ed v\u00edc jak zhruba 1GB budete pot\u0159ebovat 64bitov\u00fd opera\u010dn\u00ed syst\u00e9m a 64bitovou Javu.