Move update checker to startup thread

src/net/apocalypselabs/symat/MainGUI.java

@@ -43,7 +43,6 @@ import javax.swing.ImageIcon;
 import javax.swing.JInternalFrame;
 import javax.swing.ListModel;
 import javax.swing.UIManager;
-import javax.swing.plaf.ColorUIResource;
 
 /**
  * This class is like the Force: A light theme, a dark theme, and it binds the
@@ -64,7 +63,8 @@ public class MainGUI extends javax.swing.JFrame {
 
     private static boolean recentItemsMinimized = false;
 
-    private static final int RECENT_FILES = 10;
+    public static boolean updateAvailable = false;
+    public static String updateString = "";
 
     /**
      * Creates the main app window and does some quick things that aren't
@@ -76,35 +76,6 @@ public class MainGUI extends javax.swing.JFrame {
                 getClass().getResource("icon.png"))).getImage());
         setLocationRelativeTo(null);
 
-        // Check for updates.
-        try {
-            Debug.println("Checking for updates...");
-            URL url = new URL(API_URL + "version.php");
-            InputStream is = url.openStream();
-            BufferedReader br = new BufferedReader(new InputStreamReader(is));
-
-            String line = br.readLine();
-            br.close();
-            is.close();
-            double version = Double.parseDouble(line.split("\\|")[0]);
-            if (version > APP_CODE) {
-                if (PrefStorage.getSetting("update-ignore")
-                        .equals(VERSION_NAME + "|" + line.split("\\|")[1])) {
-                    System.out.println("An update was found, "
-                            + "but has been ignored by the user.");
-                } else {
-                    Debug.println("Update available.");
-                    loadFrame(new Update(line.split("\\|")[1]));
-                }
-            } else {
-                Debug.println("No updates found.");
-            }
-        } catch (IOException | NumberFormatException e) {
-            System.err.println("Fail:  Cannot check update server.  \n"
-                    + "       Assuming local copy up-to-date.");
-            Debug.stacktrace(e);
-        }
-
         setButtonShortcuts();
 
         // Open initial windows
@@ -140,6 +111,9 @@ public class MainGUI extends javax.swing.JFrame {
         if (argfile.equals("") && !loaded) {
             loadFrame(new Interpreter());
         }
+        if (updateAvailable) {
+            loadFrame(new Update(updateString));
+        }
         loadRecentFiles();
         updateDisplay();
     }

src/net/apocalypselabs/symat/SplashScreen.java

@@ -29,6 +29,10 @@ package net.apocalypselabs.symat;
 
 import java.awt.Color;
 import java.awt.Graphics2D;
+import java.io.BufferedReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
 import javax.swing.ImageIcon;
 import javax.swing.JProgressBar;
 import javax.swing.Painter;
@@ -36,6 +40,10 @@ import javax.swing.SwingUtilities;
 import javax.swing.UIDefaults;
 import javax.swing.UIManager;
 import javax.swing.plaf.ColorUIResource;
+import static net.apocalypselabs.symat.MainGUI.API_URL;
+import static net.apocalypselabs.symat.MainGUI.APP_CODE;
+import static net.apocalypselabs.symat.MainGUI.VERSION_NAME;
+import static net.apocalypselabs.symat.MainGUI.loadFrame;
 
 /**
  *
@@ -158,12 +166,47 @@ public class SplashScreen extends javax.swing.JFrame {
                 CodeEditor edit = new CodeEditor();
             }
             
+            setProgress(75, "Checking for updates...");
+            checkUpdates();
+
             setProgress(85, "Loading main interface...");
             new MainGUI().setVisible(true);
             setProgress(100, "Done!");
             dispose();
         }
 
+        private void checkUpdates() {
+            // Check for updates.
+            try {
+                Debug.println("Checking for updates...");
+                URL url = new URL(API_URL + "testversion.php");
+                InputStream is = url.openStream();
+                BufferedReader br = new BufferedReader(new InputStreamReader(is));
+
+                String line = br.readLine();
+                br.close();
+                is.close();
+                double version = Double.parseDouble(line.split("\\|")[0]);
+                if (version > APP_CODE) {
+                    if (PrefStorage.getSetting("update-ignore")
+                            .equals(VERSION_NAME + "|" + line.split("\\|")[1])) {
+                        System.out.println("An update was found, "
+                                + "but has been ignored by the user.");
+                    } else {
+                        Debug.println("Update available.");
+                        MainGUI.updateString = line.split("\\|")[1];
+                        MainGUI.updateAvailable = true;
+                    }
+                } else {
+                    Debug.println("No updates found.");
+                }
+            } catch (Exception e) {
+                System.err.println("Fail:  Cannot check update server.  \n"
+                        + "       Assuming local copy up-to-date.");
+                Debug.stacktrace(e);
+            }
+        }
+
         /**
          * Set the progress bar.
          *