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#ifndef __com_sun_star_io_XSeekable_idl__
#define __com_sun_star_io_XSeekable_idl__

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

#include <com/sun/star/io/IOException.idl>
#include <com/sun/star/lang/IllegalArgumentException.idl>


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

/** 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
{
    /** 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 XSeekable::getLength().
     */
    void seek( [in] hyper location )
        raises( com::sun::star::lang::IllegalArgumentException, com::sun::star::io::IOException );

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

    /** 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

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