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diff --git a/cppu/inc/cppu/EnvGuards.hxx b/cppu/inc/cppu/EnvGuards.hxx
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+++ b/cppu/inc/cppu/EnvGuards.hxx
@@ -0,0 +1,113 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * 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_EnvGuards_hxx
+#define INCLUDED_cppu_EnvGuards_hxx
+
+#include "uno/environment.hxx"
+#include "uno/mapping.hxx"
+
+
+namespace cssuno = com::sun::star::uno;
+
+
+namespace cppu
+{
+    /** Environment Guard
+        The provided Environment becomes entered in the constructor and left
+        in the destructor.
+        (http://wiki.services.openoffice.org/wiki/Uno/Cpp/Spec/Environment_Guard)
+
+        @since UDK 3.2.7
+    */
+    class EnvGuard
+    {
+        cssuno::Environment m_env;
+
+    public:
+        explicit EnvGuard(cssuno::Environment const & env)
+        {
+            if (env.is())
+            {
+                m_env = cssuno::Environment::getCurrent();
+                env.enter();
+            }
+        }
+
+        ~EnvGuard()
+        {
+            m_env.enter();
+        }
+
+        /** Checks if the associated environment is non empty.
+
+            @return  0 == empty, 1 == non empty
+        */
+        sal_Bool SAL_CALL is() const SAL_THROW( () )
+        {
+            return m_env.is();
+        }
+
+        /** Leaves the associated environment and clears
+            the reference.
+        */
+        void clear()
+        {
+            if (m_env.is())
+            {
+                m_env.enter();
+                m_env.clear();
+            }
+        }
+    };
+
+    /** Environment Anti-Guard
+        Any entered Environment becomes left in the constructor and re-entered
+        in the destructor.
+        (http://wiki.services.openoffice.org/wiki/Uno/Cpp/Spec/Environment_AntiGuard)
+
+        @since UDK 3.2.7
+    */
+    class AntiEnvGuard
+    {
+        cssuno::Environment m_env;
+
+    public:
+        explicit AntiEnvGuard()
+            : m_env(cssuno::Environment::getCurrent())
+        {
+            uno_Environment_enter(NULL);
+        }
+
+        ~AntiEnvGuard()
+        {
+            m_env.enter();
+        }
+    };
+}
+
+#endif