/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: XSeekable.idl,v $
 *
 *  $Revision: 1.12 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-09 15:34:34 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library 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 for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/
#ifndef __com_sun_star_io_XSeekable_idl__
#define __com_sun_star_io_XSeekable_idl__

#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif

#ifndef __com_sun_star_io_IOException_idl__
#include <com/sun/star/io/IOException.idl>
#endif
#ifndef __com_sun_star_lang_IllegalArgumentException_idl__
#include <com/sun/star/lang/IllegalArgumentException.idl>
#endif

//=============================================================================

module com {  module sun {  module star {  module io {

//=============================================================================

// DocMerge from xml: interface com::sun::star::io::XSeekable
/** makes it possible to seek to a certain position within a stream.

    <p>This interface should be supported, if it is possible to access the
    data at the new position quickly.
    You should not support this interface, if you have a continuous
    stream, for example, a video stream.
 */
published interface XSeekable: com::sun::star::uno::XInterface
{

    // DocMerge from xml: method com::sun::star::io::XSeekable::seek
    /** changes the seek pointer to a new location relative to the beginning of the stream.


        <p> This method changes the seek pointer so subsequent reads and writes can take place at a different
        location in the stream object. It is an error to seek before the beginning of the stream or after the
        end of the stream. </p>

        @throws com::sun::star::lang::IllegalArgumentException in case location is negative or greater than <member>XSeekable::getLength</member>.
     */
    void seek( [in] hyper location )
        raises( com::sun::star::lang::IllegalArgumentException, com::sun::star::io::IOException );


    // DocMerge from xml: method com::sun::star::io::XSeekable::getPosition
    /** returns the current offset of the stream.
       @returns
             the current offset in this stream.
     */
    hyper getPosition()
        raises( com::sun::star::io::IOException );


    // DocMerge from xml: method com::sun::star::io::XSeekable::getLength
    /** returns the length of the stream.
       @returns
            the length of the storage medium on which the stream works.
     */
    hyper getLength()
        raises( com::sun::star::io::IOException );
};

//=============================================================================

}; }; }; };
#endif
