/*

* Copyright (c) 2009 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 com.nokia.mj.impl.rt.midp;

import com.nokia.mj.impl.rt.support.JvmInternal;

import com.nokia.mj.impl.utils.DebugUtils;

import com.nokia.mj.impl.utils.StartUpTrace;

/**

 * A Main entry class of the MIDP runtime.

 */

public final class Main

{

    /*** ----------------------------- PUBLIC ------------------------------ */

    /**

     * A main entry point of the MIDP runtime.

     * @param args The arguments provided to MIDP runtime.

     */

    public static void main(String[] args)

    {

        // Do the start up trace.

        StartUpTrace.doTrace("Midp runtime ready");

        if (Log.mOn) 

        {

            Log.logI("Starting MIDP runtime");

 	          Log.logI("java.version: " +

                     System.getProperty("java.version"));

            Log.logI("java.fullversion: " +

                     System.getProperty("java.fullversion"));

        }

        boolean ok = true;

        try

        {

            // Start the life cycle.

            MidletLifeCycle.getInstance().doRun(args);

            StartUpTrace.doTrace("Midp runtime closing");

        }

        catch (StartupException se)

        {

            // If the exception is set to be error, an error log is written and

            // status is marked as NOK.

            if (se.isError())

            {

                Log.logE("Startup failure: " + se);

                ok = false;

            }

            else

            {

                if (Log.mOn) Log.logI("Startup cancelled: "+ se);

            }

        }

        catch (Throwable th)

        {

            Log.logE("Error in MIDP runtime: ", th);

            ok = false;

        }

        // Do the cleaning.

        try

        {

            // Close thread dumper.

            DebugUtils.closeThreadDumper();

            // Destroy the lifecycle instance.

            MidletLifeCycle.destroyInstance();

            MemoryLogger.close();

            // Run gc and finalization.

            System.gc();

            JvmInternal.runFinalization();

        }

        catch (Throwable thr)

        {

            Log.logE("Error in MIDP runtime (final clean): ", thr);

            ok = false;

        }

        if (Log.mOn) Log.logI("Closing MIDP runtime, status " +

                                  (ok ? "OK":"NOK"));

    }

}