Javaインプリメンテーションポイントのオンライン追加

public void addPoint(MapEvent event){
	AGSLocalMapResource res = (AGSLocalMapResource)this.webContext.getResources().get("ags0");
	try{
	//             ，         。
        SdeWorkspaceFactory sdewf = (SdeWorkspaceFactory)res.getServerContext().createObject(SdeWorkspaceFactory.getClsid());
        PropertySet pset = (PropertySet)res.getServerContext().createObject(PropertySet.getClsid());
                                    
       pset.setProperty("SERVER", "gxk");//      
        pset.setProperty("INSTANCE", "5151");//    
        pset.setProperty("USER", "sa"); // SDE         
        pset.setProperty("PASSWORD", "sa");//   
        pset.setProperty("VERSION", "DBO.gxk");// SDE     
        Workspace iws =(Workspace) sdewf.open(pset, 0);
       WebPoint screenPoint = (WebPoint)event.getWebGeometry();
       WebMap mapctrl = event.getWebContext().getWebMap();
       WebPoint mappnt =WebPoint.toMapPoint(screenPoint, mapctrl.getCurrentExtent(), (int)mapctrl.getWidth(), (int)mapctrl.getHeight());

       Geometry soapgeo=AGSUtil.toAGSGeometry(mappnt);
       String soapString = com.esri.adf.web.ags.util.AGSUtil.serializeStub(soapgeo);
       soapString = soapString.replaceAll("xsi:type=\"soapenc:Array\"", "");
       IPoint mypoint = (IPoint)AGSUtil.deserializeArcObject(soapString, res.getServerContext());
       IWorkspaceEdit wse = (IWorkspaceEdit)iws;
       wse.startEditing(false);
       wse.startEditOperation();
       IFeatureClass featureclass = iws.openFeatureClass("sde.DBO.Respt");
       IFeature feature = featureclass.createFeature();
       feature.setShapeByRef((IGeometry)mypoint);
       feature.setValue(feature.getFields().findField("NAME"), "kkk");  
       feature.store();
       wse.stopEditOperation();
       wse.stopEditing(true);
       this.webContext.refresh();
}catch(Exception e){
        e.printStackTrace();
	}
}