protected override void Run()
		{
		    SafeToExit = false;
			if (m_verifySignature)
			{
				Description = Messages.VERIFYING_SIGNATURE;

				try
				{
					// The appliance is known to have a signature and the user asked to verify it.
					m_package.VerifySignature();

					// If the appliance has a signature, then it has a manifest.
					// Always verify the manifest after verifying the signature.
					m_package.VerifyManifest();
				}
				catch (Exception e)
				{
					throw new Exception(String.Format(Messages.VERIFYING_SIGNATURE_ERROR, e.Message));
				}
			}
			else if (m_verifyManifest)
			{
				Description = Messages.VERIFYING_MANIFEST;

				try
				{
					// The appliance had a manifest without a signature and the user asked to verify it.
					// VerifyManifest() throws an exception when verification fails for any reason.
					m_package.VerifyManifest();
				}
				catch (Exception e)
				{
					throw new Exception(String.Format(Messages.VERIFYING_MANIFEST_ERROR, e.Message));
				}
			}

			List<string> validationErrors;
			OVF.Validate(m_package.PackageSourceFile, out validationErrors);

			PercentComplete = 20;
			Description = Messages.IMPORTING_VMS;

			var session = Connection.Session;
			var url = session.Url;
			Uri uri = new Uri(url);

			//create a copy of the OVF
			var envelopes = new List<EnvelopeType>();

			foreach (var vmMapping in m_vmMappings)
			{
				if (Cancelling)
					throw new CancelledException();

				string systemid = vmMapping.Key;
				var mapping = vmMapping.Value;
				EnvelopeType[] envs = OVF.Split(m_ovfEnvelope, "system", new object[] {new[] {systemid}});

				//storage
				foreach (var kvp in mapping.Storage)
					OVF.SetTargetSRInRASD(envs[0], systemid, kvp.Key, kvp.Value.uuid);

			    foreach (var kvp in mapping.StorageToAttach)
                    OVF.SetTargetVDIInRASD(envs[0], systemid, kvp.Key, kvp.Value.uuid);

				//network
				foreach (var kvp in mapping.Networks)
					OVF.SetTargetNetworkInRASD(envs[0], systemid, kvp.Key, kvp.Value.uuid);

				if (m_runfixups)
				{
					string cdId = OVF.SetRunOnceBootCDROMOSFixup(envs[0], systemid, Path.GetDirectoryName(m_package.PackageSourceFile));
					OVF.SetTargetISOSRInRASD(envs[0], systemid, cdId, m_selectedIsoSr.uuid);
				}

				envelopes.Add(envs[0]);
			}

			var appName = m_ovfEnvelope.Name;
			if (string.IsNullOrEmpty(appName))
				appName = Path.GetFileNameWithoutExtension(m_package.PackageSourceFile);

			EnvelopeType env = OVF.Merge(envelopes, appName);

			try //importVM
			{
				m_transportAction = new Import(uri, session)
				                    	{
				                    		ApplianceName = appName,
				                    		UpdateHandler = UpdateHandler,
											Cancel = Cancelling //in case the Cancel button has already been pressed
				                    	};
				m_transportAction.SetTvmNetwork(m_networkUuid, m_isTvmIpStatic, m_tvmIpAddress, m_tvmSubnetMask, m_tvmGateway);
				(m_transportAction as Import).Process(env, Path.GetDirectoryName(m_package.PackageSourceFile), m_password);
			}
			catch (OperationCanceledException)
			{
				throw new CancelledException();
			}

			PercentComplete = 100;
			Description = Messages.COMPLETED;
		}
        protected override void Run()
        {
            base.Run();

            Debug.Assert(m_vmMappings.Count == 1, "There is one VM mapping");

            string systemid = m_vmMappings.Keys.ElementAt(0);
            var mapping = m_vmMappings.Values.ElementAt(0);

            var session = Connection.Session;
            var url = session.Url;
            Uri uri = new Uri(url);

            PercentComplete = 20;
            Description = Messages.IMPORTING_DISK_IMAGE;

            //create a copy of the ovf envelope
            EnvelopeType[] envs = OVF.Split(m_ovfEnvelope, "system", new object[] {new[] {systemid}});
            EnvelopeType curEnv = envs[0];

            //storage
            foreach (var kvp in mapping.Storage)
                OVF.SetTargetSRInRASD(curEnv, systemid, kvp.Key, kvp.Value.uuid);

            //network
            foreach (var kvp in mapping.Networks)
                OVF.SetTargetNetworkInRASD(curEnv, systemid, kvp.Key, kvp.Value.uuid);

            if (m_runfixups)
            {
                string cdId = OVF.SetRunOnceBootCDROMOSFixup(curEnv, systemid, m_directory);
                OVF.SetTargetISOSRInRASD(curEnv, systemid, cdId, m_selectedIsoSr.uuid);
            }

            try //importVM
            {
                m_transportAction = new Import(uri, session)
                                        {
                                            UpdateHandler = UpdateHandler,
                                            Cancel = Cancelling //in case the Cancel button has already been pressed
                                        };
                m_transportAction.SetTvmNetwork(m_networkUuid, m_isTvmIpStatic, m_tvmIpAddress, m_tvmSubnetMask, m_tvmGateway);
                (m_transportAction as Import).Process(curEnv, m_directory, null);

                PercentComplete = 100;
                Description = Messages.COMPLETED;
            }
            catch (OperationCanceledException)
            {
                throw new CancelledException();
            }
        }