init

Reversi/IllegalMoveException.java

@@ -0,0 +1,31 @@
+package reversi.model;
+
+import java.awt.Toolkit;
+
+import javax.swing.JFrame;
+import javax.swing.JOptionPane;
+
+/**
+ * Class for a Illegal move in reversi game.
+ */
+public class IllegalMoveException extends RuntimeException {
+
+    private static final long serialVersionUID = 240330120795325167L;
+
+    /**
+     * Prints an error or plays a "beep" if a illegal move is made.
+     * A beep is more common but not so easy to implement for various
+     * OS, so the sound is only played on Windows XP or 7.
+     *
+     * @param s Error to print
+     */
+    public IllegalMoveException(final String s) {
+        if (System.getProperty("os.name").equals("Windows 7")
+                || System.getProperty("os.name").equals("Windows XP")) {
+            Toolkit.getDefaultToolkit().beep();
+        } else {
+        JFrame screen = new JFrame();
+        JOptionPane.showMessageDialog(screen, s);
+        }
+    }
+}