--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvcommandutils/Src/CCASingletonCmd.cpp	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,77 @@
+/*
+* Copyright (c) 2006 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:  Singleton base class
+*
+*/
+
+
+
+// INCLUDE FILES
+#include    <e32std.h>
+#include    "CCASingletonCmd.h"
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCASingletonCmd::CCASingletonCmd
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CCASingletonCmd::CCASingletonCmd()
+    {
+
+    }
+
+// -----------------------------------------------------------------------------
+// CCASingletonCmd::~CCASingletonCmd
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CCASingletonCmd::~CCASingletonCmd()
+    {
+    Dll::SetTls( NULL );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CCASingletonCmd::BaseInstanceL()
+// -----------------------------------------------------------------------------
+//
+TAny* CCASingletonCmd::BaseInstanceL()
+    {
+    TAny* instance = Dll::Tls();
+    if ( !instance )
+        {
+        instance = ConstructSingletonInstanceL();
+        TInt err( Dll::SetTls( instance ) );
+        if ( err == KErrNone )
+            {
+            return instance;
+            }
+        else
+            {
+            delete instance;
+            User::Leave( err );
+            return NULL;    // this line just keeps the compiler happy
+            }
+        }
+    else
+        {
+        return instance;
+        }
+    }
+
+//  End of File