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module com { module sun { module star { module ucb {

/** An identifier for contents.

     @version  1.0
     @see      XContent
*/
published interface XContentIdentifier: com::sun::star::uno::XInterface
{
    /** returns the content identifier string.

        @returns
        the content identifier string. This must be a valid URI
        (Uniform Resource Identifier, see RFC 2396). This string
        is required. If a content provider "implements" some
        existent URI scheme (e.g., a content provider offering
        access to a file system would implement the "file" scheme,
        and a content provider offering access to IMAP servers
        would implement the "imap" scheme), the content identifier
        strings should use that scheme. If on the other hand a
        content provider offers access to content for which no
        appropriate URI scheme exists, a vendor-specific URL scheme
        starting with "vnd." must be created (see the Internet Draft
        draft-king-vnd-urlscheme-00.txt).
    */
    string getContentIdentifier();

    /** returns the content provider scheme string.

          <p>This string will   be calculated from the content identifier string
        and must be lower-cased(!). It is the "scheme" the content provider is
        registered for. In example, a provider for FTP contents will use
        ftp-URLs as content identifiers. The content provider scheme for all
        contents provided by that provider will be "ftp".
        </p>

        @returns
        the content provider scheme string.
    */
    string getContentProviderScheme();

};


}; }; }; };

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