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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 .
 */
#ifndef __com_sun_star_document_XFilter_idl__
#define __com_sun_star_document_XFilter_idl__

#include <com/sun/star/uno/XInterface.idl>
#include <com/sun/star/beans/PropertyValue.idl>


module com {  module sun {  module star {  module document {

/** interface to filter documents

    <p>
    This interface will be used by service <type>ImportFilter</type> or
    <type>ExportFilter</type> to support loading/saving of documents in
    different formats. The target/source of such filter operations must
    be known <em>before</em> filtering will be started.
    (see <type>XImporter</type> and <type>XExporter</type> too)
    Otherwise this interface can't work right.
    <p>

    @see ImportFilter
    @see ExportFilter
    @see XImporter
    @see XExporter
 */
published interface XFilter: com::sun::star::uno::XInterface
{
        /** filter the document.

        <p>
        The given <type>MediaDescriptor</type> holds all necessary information
        about the document.

        Don't hold hard references to the descriptor items. You must copy needed information!
        Otherwise we couldn't destroy (for example) an existing input stream!
        </p>
        @param aDescriptor
            the MediaDescriptor describing the respective document.
        @return a boolean value indicating whether the filter operation was successful or not.
     */
    boolean filter( [in] sequence< com::sun::star::beans::PropertyValue > aDescriptor );

        /** cancel the process.
      */
    void cancel();

};


}; }; }; };

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */