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diff --git a/ucb/source/ucp/webdav-curl/ContentProperties.hxx b/ucb/source/ucp/webdav-curl/ContentProperties.hxx
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+++ b/ucb/source/ucp/webdav-curl/ContentProperties.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#pragma once
+
+#include <memory>
+#include <unordered_map>
+#include <utility>
+#include <vector>
+#include <rtl/ustring.hxx>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include "DAVResource.hxx"
+
+namespace com::sun::star::beans {
+    struct Property;
+}
+
+namespace http_dav_ucp
+{
+
+struct DAVResource;
+
+// PropertyValueMap.
+class PropertyValue
+{
+private:
+    css::uno::Any   m_aValue;
+    bool            m_bIsCaseSensitive;
+
+public:
+    PropertyValue()
+    : m_bIsCaseSensitive( true ) {}
+
+    explicit PropertyValue( css::uno::Any aValue,
+                   bool bIsCaseSensitive )
+    : m_aValue(std::move( aValue)),
+      m_bIsCaseSensitive( bIsCaseSensitive ) {}
+
+    bool isCaseSensitive() const { return m_bIsCaseSensitive; }
+    const css::uno::Any & value() const { return m_aValue; }
+
+};
+
+typedef std::unordered_map< OUString, PropertyValue > PropertyValueMap;
+
+class ContentProperties
+{
+public:
+    ContentProperties();
+
+    explicit ContentProperties( const DAVResource& rResource );
+
+    // Mini props for transient contents.
+    ContentProperties( const OUString & rTitle, bool bFolder );
+
+    // Micro props for non-existing contents.
+    explicit ContentProperties( const OUString & rTitle );
+
+    ContentProperties( const ContentProperties & rOther );
+
+    bool contains( const OUString & rName ) const;
+
+    const css::uno::Any& getValue( const OUString & rName ) const;
+
+    // Maps the UCB property names contained in rProps with their DAV property
+    // counterparts, if possible. All unmappable properties will be included
+    // unchanged in resulting vector.
+    // The vector filled by this method can directly be handed over to
+    // DAVResourceAccess::PROPFIND. The result from PROPFIND
+    // (vector< DAVResource >) can be used to create a ContentProperties
+    // instance which can map DAV properties back to UCB properties.
+    static void UCBNamesToDAVNames( const css::uno::Sequence< css::beans::Property > & rProps,
+                                    std::vector< OUString > & resources );
+
+    // Maps the UCB property names contained in rProps with their HTTP header
+    // counterparts, if possible. All unmappable properties will be included
+    // unchanged in resulting vector.
+    // The vector filled by this method can directly be handed over to
+    // DAVResourceAccess::HEAD. The result from HEAD (vector< DAVResource >)
+    // can be used to create a ContentProperties instance which can map header
+    // names back to UCB properties.
+    static void UCBNamesToHTTPNames( const css::uno::Sequence< css::beans::Property > & rProps,
+                                    std::vector< OUString > & resources );
+
+    // return true, if all properties contained in rProps are contained in
+    // this ContentProperties instance. Otherwise, false will be returned.
+    // rNamesNotContained contain the missing names.
+    bool containsAllNames(
+                    const css::uno::Sequence< css::beans::Property >& rProps,
+                    std::vector< OUString > & rNamesNotContained ) const;
+
+    // adds all properties described by rProps that are actually contained in
+    // rContentProps to this instance. In case of duplicates the value
+    // already contained in this will left unchanged.
+    void addProperties( const std::vector< OUString > & rProps,
+                        const ContentProperties & rContentProps );
+
+    // overwrites probably existing entry.
+    void addProperty( const OUString & rName,
+                     const css::uno::Any & rValue,
+                     bool bIsCaseSensitive );
+
+    // overwrites probably existing entry.
+    void addProperty( const DAVPropertyValue & rProp );
+
+    bool isTrailingSlash() const { return m_bTrailingSlash; }
+
+    const OUString & getEscapedTitle() const { return m_aEscapedTitle; }
+
+    // Not good to expose implementation details, but this is actually an
+    // internal class.
+    const std::unique_ptr< PropertyValueMap > & getProperties() const
+    { return m_xProps; }
+
+private:
+    OUString m_aEscapedTitle;
+    std::unique_ptr< PropertyValueMap > m_xProps;
+    bool m_bTrailingSlash;
+
+    static css::uno::Any m_aEmptyAny;
+
+    ContentProperties & operator=( const ContentProperties & ); // n.i.
+
+    const PropertyValue * get( const OUString & rName ) const;
+};
+
+class CachableContentProperties
+{
+private:
+    ContentProperties m_aProps;
+
+    CachableContentProperties & operator=( const CachableContentProperties & ); // n.i.
+    CachableContentProperties( const CachableContentProperties & ); // n.i.
+
+public:
+    explicit CachableContentProperties( const ContentProperties & rProps );
+
+    void addProperties( const ContentProperties & rProps );
+
+    void addProperties( const std::vector< DAVPropertyValue > & rProps );
+
+    bool containsAllNames(
+                    const css::uno::Sequence< css::beans::Property >& rProps,
+                    std::vector< OUString > & rNamesNotContained ) const
+    { return m_aProps.containsAllNames( rProps, rNamesNotContained ); }
+
+    const css::uno::Any &
+    getValue( const OUString & rName ) const
+    { return m_aProps.getValue( rName ); }
+
+    operator const ContentProperties & () const { return m_aProps; }
+};
+
+} // namespace http_dav_ucp
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */