/// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="nameSpace">namespace for the new object</param>
        /// <param name="label">label for the new object</param>
        /// <param name="ingestOwner">name of the object owner</param>
        /// <param name="reservedPID">(optional) if the first generated PID ends with this string forces a second attempt to create a PID for the new object</param>
        public HydraServiceFedoraExt(string nameSpace, string label, string ingestOwner, string reservedPID)
            : base()
        {
            //Default Language Code - Suresh Thampi
               _languageCode = "en";
               _source = "unknown";
               _subject = "unknown";

            _fedoraManagement = new FedoraManagementSOAPImpl(_fedoraServer);
            _label = label;

            //--------------------------------------------------//
            // Modified By Suresh Thampi on 04/01/2011
            //--------------------------------------------------//
            if (base.ObjectPID != string.Empty)
            {
                _objectPID = base.ObjectPID;
            }
            else
            {
                //Get the next available PID from fedora.
                _objectPID = GetNextPID(nameSpace);
                //--------------------------------------------------//
                if (!String.IsNullOrEmpty(reservedPID))
                {
                    if (_objectPID.EndsWith(reservedPID))    // this PID is reserved so lets start with the next
                        _objectPID = GetNextPID(nameSpace);
                }
            }

            //New instance of contentFactory with objectPID, label etc...
            _contentFactory = new ContentFactory(_objectPID, _label, "A", ingestOwner);
        }
 //------------------------------------------------------------
 public Datastream GetData(string PID)
 {
     FedoraManagementSOAPImpl ObjFedora = new FedoraManagementSOAPImpl(new FedoraServer());
     Datastream ds = ObjFedora.getDatastream(PID, "DC", null, null);
     return ds;
 }