--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/m3g_qt/javasrc/javax/microedition/m3g/M3gRunnable.java Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,74 @@
+/*
+* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+package javax.microedition.m3g;
+
+/**
+ * Class that wraps runnable in order to catch and forward
+ * exceptions that occured when executing in UI thread.
+ * This class is used only for running native methods in UI thread.
+ */
+abstract class M3gRunnable implements Runnable
+{
+ private Throwable e = null;
+
+ /**
+ * From Runnable interface
+ */
+ public void run()
+ {
+ try
+ {
+ doRun();
+ }
+ catch (Throwable t)
+ {
+ e = t;
+ }
+ }
+
+ /**
+ * Checks for possible exceptions and errors and throws them forward.
+ * Only unchecked exceptions and errors are thrown as only checked
+ * exception that m3gcore may throw comes from loader which is not
+ * executed in UI thread
+ *
+ * @throws RuntimeException
+ * @throws Error
+ */
+ public void checkAndThrow()
+ {
+ if (e == null)
+ {
+ return;
+ }
+ if (e instanceof RuntimeException)
+ {
+ throw(RuntimeException)e;
+ }
+ else if (e instanceof Error)
+ {
+ throw(Error)e;
+ }
+ }
+
+ /**
+ * Method to be implemented for the UI thead execution
+ */
+ abstract void doRun();
+}
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