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diff --git a/cppu/inc/cppu/Shield.hxx b/cppu/inc/cppu/Shield.hxx
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+++ b/cppu/inc/cppu/Shield.hxx
@@ -0,0 +1,93 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: Shield.hxx,v $
+ * $Revision: 1.3 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef INCLUDED_cppu_Shield_hxx
+#define INCLUDED_cppu_Shield_hxx
+
+#include <cppu/Map.hxx>
+
+
+namespace cssu = com::sun::star::uno;
+
+namespace cppu
+{
+    /** Helpers for mapping objects relative to the thread-safe and current environments.
+        (http://wiki.services.openoffice.org/wiki/Uno/Cpp/Spec/Shield_Helpers)
+    */
+
+
+    /** Maps an object from the current to the thread-safe Environment, returns mapped object.
+
+        @param  pT        the object to be mapped
+        @return           the mapped object
+        @since UDK 3.2.7
+     */
+    template<class T> inline T * shield(T * pT)
+    {
+        return mapOut(pT, cssu::Environment(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(CPPU_STRINGIFY(CPPU_ENV)))));
+    }
+
+    /** Maps an object from the thread-safe Environment to the current one, returns mapped object.
+
+        @param  pT        the object to be mapped
+        @return           the mapped object
+        @since UDK 3.2.7
+     */
+    template<class T> inline T * unshield(T * pT)
+    {
+        return mapIn(pT, cssu::Environment(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(CPPU_STRINGIFY(CPPU_ENV)))));
+    }
+
+
+    /** Maps an any from the current to the thread-safe Environment, fills the passed any.
+
+        @param  any  the any to be mapped
+        @param       the target any
+        @since UDK 3.2.7
+     */
+    inline void shieldAny(cssu::Any const & any, cssu::Any * res)
+    {
+        mapOutAny(any, res, cssu::Environment(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(CPPU_STRINGIFY(CPPU_ENV)))));
+    }
+
+
+    /** Maps an any from the thread-safe Environment to the current one, fills the passed any.
+
+        @param  any  the any to be mapped
+        @param       the target any
+        @since UDK 3.2.7
+     */
+    inline void unshieldAny(cssu::Any const & any, cssu::Any * res)
+    {
+        mapInAny(any, res, cssu::Environment(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(CPPU_STRINGIFY(CPPU_ENV)))));
+    }
+}
+
+#endif