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 *
 * 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
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module com {  module sun {  module star {  module packages {


/** Allows to get access to the stream of a PackageStream.
 */
interface XDataSinkEncrSupport: com::sun::star::uno::XInterface
{
    /** Allows to get access to the data of the PackageStream.
    <p>
        In case stream is encrypted one and the key for the stream is not set,
    an exception must be thrown.
    </p>

    @returns
        the stream

    @throws ::com::sun::star::packages::WrongPasswordException
        no key or a wrong one is set

    @throws ::com::sun::star::io::IOException
        in case of io problems during retrieving
     */
    ::com::sun::star::io::XInputStream getDataStream()
        raises( ::com::sun::star::packages::WrongPasswordException,
                ::com::sun::star::packages::zip::ZipException,
                ::com::sun::star::io::IOException );


    /** Allows to get access to the data of the PackageStream as to raw stream.
    In case stream is not encrypted an exception will be thrown.
    <p>
        The difference of raw stream is that it contains header for encrypted data,
    so an encrypted stream can be copied from one PackageStream to
    another one without decryption.
    </p>

    @returns
        the raw representation of stream

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

    @throws ::com::sun::star::io::IOException
        in case of io problems during retrieving
     */
    ::com::sun::star::io::XInputStream getRawStream()
        raises( ::com::sun::star::packages::NoEncryptionException,
                ::com::sun::star::io::IOException );

    /** Allows to set a data stream for the PackageStream.
    <p>
        In case PackageStream is marked as encrypted the data stream will be encrypted on storing.
    </p>

    @param aStream
        new data stream

    @throws ::com::sun::star::io::IOException
        in case of io problems
     */
    void setDataStream( [in] ::com::sun::star::io::XInputStream aStream )
        raises( ::com::sun::star::io::IOException );

    /** Allows to set raw stream for the PackageStream.
    The PackageStream object can not be marked as encrypted one,
    an exception will be thrown in such case.

    @param aStream
        the new raw representation of stream

    @throws ::com::sun::star::packages::EncryptionNotAllowedException
        the PackageStream object is marked as encrypted

    @throws ::com::sun::star::packages::NoRawFormatException
        the stream is not a correct raw representation of encrypted package stream

    @throws ::com::sun::star::io::IOException
        in case of io problems during retrieving
     */
    void setRawStream( [in] ::com::sun::star::io::XInputStream aStream )
        raises( ::com::sun::star::packages::EncryptionNotAllowedException,
                ::com::sun::star::packages::NoRawFormatException,
                ::com::sun::star::io::IOException );

    /** Allows to get access to the raw data of the stream as it is stored in
        the package.

    @returns
        the plain raw stream as it is stored in the package

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

    @throws ::com::sun::star::io::IOException
        in case of io problems during retrieving
     */
    ::com::sun::star::io::XInputStream getPlainRawStream()
        raises( ::com::sun::star::io::IOException,
                ::com::sun::star::packages::NoEncryptionException );

};


}; }; }; };

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