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+/*************************************************************************
+ *
+ * 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 __com_sun_star_configuration_backend_LayerFilter_idl__
+#define __com_sun_star_configuration_backend_LayerFilter_idl__
+
+#ifndef __com_sun_star_configuration_backend_XLayer_idl__
+#include <com/sun/star/configuration/backend/XLayer.idl>
+#endif
+
+#ifndef __com_sun_star_lang_XInitialization_idl__
+#include <com/sun/star/lang/XInitialization.idl>
+#endif
+
+//==============================================================================
+
+module com { module sun { module star { module configuration { module backend {
+
+//==============================================================================
+
+/**
+  provides a filtered version of a configuration data <type>Layer</type>.
+
+  <p> A layer filter wraps a source <type>XLayer</type> object and
+     provides access to a filtered version of its data.
+     The data read from the filter usually is produced from the source data
+     by adding and removing elements or modifying values.
+  </p>
+
+  @see com::sun::star::configuration::backend::DataImporter
+        Service that supports applying a <type>LayerFilter</type> to imported data.
+
+  @since OOo 2.0.0
+  */
+published service LayerFilter
+{
+    //--------------------------------------------------------------------------
+
+    /**
+      provides read access to the filtered contents.
+
+      <p> Method <member>XLayer::readData</member> will render a filtered version
+         of the data produced by the same method of the source object.
+     </p>
+      */
+    interface XLayer ;
+
+    //--------------------------------------------------------------------------
+
+    /**
+      provides a means to set the source data for the filter.
+
+      <p> Call <method scope="com::sun::star::lang">XInitialization::initialize</method>()
+         with a single argument of type <type scope="com::sun::star::beans">NamedValue</type>,
+         where <member scope="com::sun::star::beans">NamedValue::Name</member> is <code>"Source"</code>
+         and <member scope="com::sun::star::beans">NamedValue::Value</member>
+         is an object implementing <type>XLayer</type>.
+     </p>
+      */
+    interface com::sun::star::lang::XInitialization ;
+
+    //--------------------------------------------------------------------------
+} ;
+
+//==============================================================================
+
+} ; } ; } ; } ; } ;
+
+#endif
+