/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: XConnection.idl,v $
 *
 *  $Revision: 1.11 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-09 15:10:18 $
 *
 *  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_CONNECTION_XCONNECTION_IDL_
#define _COM_SUN_STAR_CONNECTION_XCONNECTION_IDL_

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


module com {  module sun {  module star {  module connection {

/** A bidirectional bytestream.

    <p> You should additionally implement XConnection2.

    @see XConnection2
 */
published interface XConnection: com::sun::star::uno::XInterface
{

    /** reads a requested number of bytes from the connection.
        <p> This method is blocking, meaning that it always returns a bytesequence
        with the requested number of bytes, unless it has reached end of file (which
        often means, that close() has been called).

        <p> please see also the readSomeBytes() method of XConnection2.

        @return The read number of bytes.
                The return value and the length of the
                returned sequence must be identical.
        @param nBytesToRead
                The number of bytes to be read from the stream.

        @throws com::sun::star::io::IOException
               in case an error occurred during reading from the stream.
     */
    long read( [out] sequence < byte > aReadBytes , [in] long nBytesToRead )
            raises( com::sun::star::io::IOException );


    // DocMerge from xml: method com::sun::star::connection::XConnection::write
    /** writes the given bytesequence to the stream.
        <p>The method blocks until the whole sequence is written.

        @throws com::sun::star::io::IOException
               in case an error occurred during writing to the stream.
     */
    void write( [in] sequence < byte > aData )
        raises( com::sun::star::io::IOException );


    /** Empties all internal buffers.
     */
    void flush( )
            raises( com::sun::star::io::IOException );

    /** Immediately terminates any ongoing read or write calls.
        All subsequent read or write calls()
     */
    void close( )
            raises( com::sun::star::io::IOException );


    /** A unique string describing the connection.

        <p>This string is different from the arguments to <member>XConnection::accept</member>
        and <member>XConnector::connect</member>. In general, the string contains an additional
        handle value.  For example, "socket,host=localhost,port=2002,uniqueValue=2324". </p>
     */
    string getDescription();
};

};};};};

#endif
