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diff --git a/VS-Sim-Sources/sources/serialize/VSSerialize.java b/VS-Sim-Sources/sources/serialize/VSSerialize.java
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+++ b/VS-Sim-Sources/sources/serialize/VSSerialize.java
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+/*
+ * Copyright (c) 2008 Paul C. Buetow, vs@dev.buetow.org
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * All icons of the icons/ folder are 	under a Creative Commons
+ * Attribution-Noncommercial-Share Alike License a CC-by-nc-sa.
+ *
+ * The icon's homepage is http://code.google.com/p/ultimate-gnome/
+ */
+
+package serialize;
+
+import java.io.*;
+import java.util.HashMap;
+import javax.swing.*;
+
+import prefs.*;
+import simulator.*;
+
+/**
+ * The class VSSerialize, this class helps do serialize/deserialize a saved
+ * simulator!
+ *
+ * @author Paul C. Buetow
+ */
+public final class VSSerialize {
+    /** The serial version uid */
+    private static final long serialVersionUID = 1L;
+
+    /** True if debug mode of serialization/deserialization */
+    public static final boolean DEBUG = false;
+
+    /** The last filename used for saveing/opening*/
+    public static String LAST_FILENAME = null;
+
+    /** For temp object storage */
+    private static HashMap<String,Object> objects;
+
+    /** Holds the current VSSerialize object */
+    private static VSSerialize serialize;
+
+    /**
+     * Creates the VSSerialize object.
+     */
+    public VSSerialize() {
+        init();
+    }
+
+    /**
+     * Initializes the helper.
+     */
+    private void init() {
+        this.serialize = this;
+        objects = new HashMap<String,Object>();
+    }
+
+    /**
+     * Gets the current VSSerialize object.
+     *
+     * @return The current serialize object
+     */
+    public static VSSerialize getSerialize() {
+        return serialize;
+    }
+
+    /**
+     * Sets an object.
+     *
+     * @param key The object key
+     * @param object The object itself
+     */
+    public void setObject(String key, Object object) {
+        if (DEBUG)
+            System.out.println("setObject("+key+")");
+
+        objects.put(key, object);
+    }
+
+    /**
+     * Sets an object.
+     *
+     * @param num The object number
+     * @param key The object key
+     * @param object The object itself
+     */
+    public void setObject(int num, String key, Object object) {
+        if (DEBUG)
+            System.out.println("setObject("+key+":"+num+")");
+
+        objects.put(key + ":" + num, object);
+    }
+
+    /**
+     * Checks if an object exists.
+     *
+     * @param num The object number
+     * @param key The object key
+     *
+     * @return true, if the object exists. false, if the object does not exist
+     */
+    public boolean objectExists(int num, String key) {
+        return null != objects.get(key + ":" + num);
+    }
+
+    /**
+     * Gets an object.
+     *
+     * @param num The object number
+     * @param key The object key
+     *
+     * @return The object itself
+     */
+    public Object getObject(int num, String key) {
+        Object object = objects.get(key + ":" + num);
+
+        if (object == null) {
+            System.err.println("No such deserialization helper key "
+                               + key + ":" + num);
+            System.exit(1);
+        }
+
+        return object;
+    }
+
+    /**
+     * Gets an object.
+     *
+     * @param key The object key
+     *
+     * @return The object itself
+     */
+    public Object getObject(String key) {
+        Object object = objects.get(key);
+
+        if (object == null) {
+            System.err.println("No such deserialization helper key " + key);
+            System.exit(1);
+        }
+
+        return object;
+    }
+
+    /**
+     * Saves the given simulator to the given filename.
+     *
+     * @param filename The filename
+     * @param simulator The simulator
+     */
+    public void saveSimulator(String filename, VSSimulator simulator) {
+        if (filename == null) {
+            saveSimulator(simulator);
+            return;
+        }
+
+        LAST_FILENAME = filename;
+
+        try {
+            FileOutputStream fileOutputStream =
+                new FileOutputStream(filename);
+            ObjectOutputStream objectOutputStream =
+                new ObjectOutputStream(fileOutputStream);
+
+            VSSerializablePrefs prefs = (VSSerializablePrefs)
+                                        simulator.getPrefs();
+            prefs.serialize(this, objectOutputStream);
+            simulator.serialize(this, objectOutputStream);
+
+        } catch (IOException e) {
+            //e.printStackTrace();
+
+        } finally {
+            //objectOutputStream.close();
+        }
+    }
+
+    /**
+     * Saves the given simulator to a file choosen by the file chooser.
+     *
+     * @param simulator The simulator
+     */
+    public void saveSimulator(VSSimulator simulator) {
+        VSPrefs prefs = simulator.getPrefs();
+        VSSimulatorFrame simulatorFrame = simulator.getSimulatorFrame();
+
+        String saveText = prefs.getString("lang.save");
+        JFileChooser fileChooser = new JFileChooser(
+            new File(".").getPath());
+        fileChooser.setMultiSelectionEnabled(false);
+        fileChooser.addChoosableFileFilter(createFileFilter(prefs));
+        fileChooser.setApproveButtonText(saveText);
+
+        if (fileChooser.showOpenDialog(simulatorFrame) ==
+                JFileChooser.APPROVE_OPTION) {
+            String fileName = fileChooser.getSelectedFile().getAbsolutePath();
+            System.out.println(saveText + ": " + fileName);
+            saveSimulator(fileName, simulator);
+        }
+    }
+
+    /**
+     * Opens a simulator from the given filename.
+     *
+     * @param filename The filename.
+     * @param simulatorFrame The simulator frame
+     *
+     * @return The simulator object, and null if no success
+     */
+    public VSSimulator openSimulator(String filename,
+                                     VSSimulatorFrame simulatorFrame) {
+        VSSimulator simulator = null;
+        simulatorFrame.resetCurrentSimulator();
+        LAST_FILENAME = filename;
+
+        try {
+            FileInputStream fileInputStream =
+                new FileInputStream(filename);
+            ObjectInputStream objectInputStream =
+                new ObjectInputStream(fileInputStream);
+
+            VSDefaultPrefs prefs = new VSDefaultPrefs();
+            prefs.deserialize(this, objectInputStream);
+            prefs.addWithDefaults();
+            this.setObject("prefs", prefs);
+
+            simulator = new VSSimulator(prefs, simulatorFrame);
+            simulatorFrame.addSimulator(simulator);
+            simulator.deserialize(this, objectInputStream);
+
+        } catch (Exception e) {
+            //e.printStackTrace();
+
+        } finally {
+            //objectInputStream.close();
+        }
+
+        return simulator;
+    }
+
+    /**
+     * Opens a simulator from a file selected from a file chooser.
+     *
+     * @param simulatorFrame The simulator frame
+     *
+     * @return The simulator object, and null if no success
+     */
+    public VSSimulator openSimulator(VSSimulatorFrame simulatorFrame) {
+        VSPrefs prefs = simulatorFrame.getPrefs();
+
+        String openText = prefs.getString("lang.open");
+        JFileChooser fileChooser = new JFileChooser(
+            new File(".").getPath());
+        fileChooser.setMultiSelectionEnabled(false);
+        fileChooser.addChoosableFileFilter(createFileFilter(prefs));
+        fileChooser.setApproveButtonText(openText);
+
+        if (fileChooser.showOpenDialog(simulatorFrame) ==
+                JFileChooser.APPROVE_OPTION) {
+            String fileName = fileChooser.getSelectedFile().getAbsolutePath();
+            System.out.println(openText + ": " + fileName);
+            return openSimulator(fileName, simulatorFrame);
+        }
+
+        return null;
+    }
+
+    /**
+     * Creates a file filter for the file choosers
+     *
+     * @param prefs The default prefs
+     */
+    private javax.swing.filechooser.FileFilter createFileFilter(
+        final VSPrefs prefs) {
+        return new javax.swing.filechooser.FileFilter() {
+            public boolean accept(File file) {
+                if (file.isDirectory())
+                    return true;
+                return file.getName().toLowerCase().endsWith(".dat");
+            }
+
+            public String getDescription() {
+                return prefs.getString("lang.dat");
+            }
+        };
+    }
+
+}