Not that I know of, step through the code and I bet you can see the datastore create an object fill it in, and then pass it to the XML bindings...
-- Jody Garnett On 13 August 2015 at 03:17, Emmanuel Seguin <emmanuel.seg...@ign.fr> wrote: > > > Emmanuel SÉGUIN > http://fr.linkedin.com/in/emmanuelseguin/ > ______________________________________________________________ > Responsable adjoint de l'incubateur > Direction des Services et du Système d'Information > T + 33(0)1 43 98 83 54 ● M +33(0)6 81 97 36 59 > Institut National de l'Information Géographique et Forestière > 73, AVENUE DE PARIS, 94165 SAINT-MANDE > ign.fr - geoportail.gouv.fr > > ________________________________________ > From: Jody Garnett [jody.garn...@gmail.com] > Sent: 12 August 2015 18:19 > To: Emmanuel Seguin > Cc: geotools-gt2-users@lists.sourceforge.net > Subject: Re: [Geotools-gt2-users] WFSDataStore too slow for my use > > In uDig we cached the capabilities document on disk locally - for WFS or > WMS cannot remember which, in order to quickly reconnect. > > The WFS protocol does expect clients to do version negotiation, retrieve a > capabilities document, describe feature type and then get features. > > There have been requests for WFS protocol to get a bit smarter (offer > paging or a filter parameter when connecting) but I have not looked if any > of them made it into the WFS 2.0 specification. > > I guess if you really control both server and client short cut the > datastore the GML parsers are available and you can issue your > GetFeatureRequest by hand. > Thanx jody, > > Is there an example available somewhere on how to use the > GetFeatureRequest element directly ? > > Thanx in advance > > -- > Jody Garnett > > On 12 August 2015 at 05:12, Emmanuel Seguin <emmanuel.seg...@ign.fr > <mailto:emmanuel.seg...@ign.fr>> wrote: > Hi, > > I'm writing a little program in which I will be querying objects from a > WFS as part of a bigger process. > > I'm using the WFSDataStoreFactory to create a WFSDataStore => Trouble is > the creation of the WFSDataStore seems to mean getcapabilities download and > parsing, something I don't really need given the fact I already know the > typename and the request parameters I want to use. > The getcapabilities I'm downloading is pretty big (~1Mb) so the program is > hanging for a while before querying the features. > > Is there a way to bypass the use of the WFSDataStore to query directly a > WFS server and get a SimpleFeatureCollection ? > > I'm copying below the relevant part of the code I'm currently using. > > Thanx in advance, > > // Step 1 - Connection parameters > Map connectionParameters = new HashMap(); > > connectionParameters.put("WFSDataStoreFactory:GET_CAPABILITIES_URL",getCapabilities); > connectionParameters.put("WFSDataStoreFactory:TIMEOUT", 15000); > connectionParameters.put("WFSDataStoreFactory:WFS_STRATEGY", "geoserver"); > > // Step 2 - Get WFSDataStore > WFSDataStoreFactory dsf = new WFSDataStoreFactory(); > WFSDataStore data = dsf.createDataStore(connectionParameters); > > // Step 3 - Get SimpleFeatureSource > String typeName = "myTypeName"; > SimpleFeatureSource source = data.getFeatureSource( typeName ); > > // Step 4 - Create intersects filter > FilterFactory2 ff = > CommonFactoryFinder.getFilterFactory2(GeoTools.getDefaultHints()); > ReferencedEnvelope clipEnv = new ReferencedEnvelope(xmin, xmax, ymin, > ymax, _crs); > Polygon clipPolygon = JTS.toGeometry(clipEnv); > Intersects filter = > ff.intersects(ff.property("geom"),ff.literal(clipPolygon)); > > // Step 5 - Grab data > SimpleFeatureCollection features = source.getFeatures(filter); > > ------------------------------------------------------------------------------ > _______________________________________________ > GeoTools-GT2-Users mailing list > GeoTools-GT2-Users@lists.sourceforge.net<mailto: > GeoTools-GT2-Users@lists.sourceforge.net> > https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users > >
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