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 module com {  module sun {  module star {  module embed {

/** This interface extends XHierarchicalStorageAccess interface.
 */
interface XHierarchicalStorageAccess2 : XHierarchicalStorageAccess
{
    /** allows to get access to a child encrypted stream with encryption data
        using hierarchical path.

        <p>
        If storage does not allow any encryption this method will always throw
        com::sun::star::packages::NoEncryptionException.
        </p>

        <p>
        In case the stream is open in readonly mode the
        com::sun::star::io::XStream::getOutputStream()
        method will return an empty reference.
        </p>

        @param sStreamName
            the path to the substream that should be open

        @param nOpenMode
            a mode the stream should be open in,
            can be a combination of ElementModes values

        @param aEncryptionData
            this parameter allows to specify an encryption data for the
            stream, the data must be correct, otherwise an
            exception will be thrown

        @throws ::com::sun::star::embed::InvalidStorageException
            this storage is in invalid state for any reason

        @throws ::com::sun::star::lang::IllegalArgumentException
            one of provided arguments is illegal

        @throws ::com::sun::star::packages::NoEncryptionException
            the stream is not encrypted

        @throws ::com::sun::star::packages::WrongPasswordException
            the provided password is wrong

        @throws ::com::sun::star::io::IOException
            in case of io errors during stream opening

        @throws ::com::sun::star::embed::StorageWrappedTargetException
            wraps other exceptions
     */
    XExtendedStorageStream  openEncryptedStreamByHierarchicalName(
            [in] string sStreamName,
            [in] long nOpenMode,
            [in] sequence< ::com::sun::star::beans::NamedValue > aEncryptionData )
        raises( ::com::sun::star::embed::InvalidStorageException,
                ::com::sun::star::lang::IllegalArgumentException,
                ::com::sun::star::packages::NoEncryptionException,
                ::com::sun::star::packages::WrongPasswordException,
                ::com::sun::star::container::NoSuchElementException,
                ::com::sun::star::io::IOException,
                ::com::sun::star::embed::StorageWrappedTargetException );
};


}; }; }; };

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