Re: [Geotools-gt2-users] Re:Geotools-gt2-users digest, Vol 1 #486 - 2 msgs

[Chris H. <ch...@op...>]

> Ok, thanks for the information David...
> 
> About the WFS... I've made changes you've recommended but I found a problem. The FeatureStore doesn't process the namespace. For example, the following code...
> 
> DataStore ds = (new WFSDataStoreFactory()).createDataStore(m);
> FeatureStore fs = (FeatureStore)ds.getFeatureSource("namespace:road");
> FeatureReader fr = fs.getFeatures().reader();
> 
> ...throws a exception in the fr line...
> 
> java.io.IOException: org.geotools.data.ows.ServiceException: '
> 	at org.geotools.data.wfs.WFSDataStore.getSchema(WFSDataStore.java:262)
> 	at org.geotools.data.wfs.WFSDataStore.splitFilters(WFSDataStore.java:766)
> 	at org.geotools.data.wfs.WFSDataStore.getFeatureReader(WFSDataStore.java:674)
> 	at org.geotools.data.wfs.WFSFeatureSource$WFSFeatureResults.reader(WFSFeatureSource.java:150)
> 	
> Then I saw the Geoserver output and it showed "java.util.NoSuchElementException: Could not locate  'road'"...
> 
> Then I debug my code and I discovered that the fs (FeatureStore) stores only 'road' in its typeName variable besides 'namespace:road'. So the fs pass the wrong name for Geoserver because Geoserver doesn't understand 'road', only 'namespace:road'.

That sounds like a bug in the WFSDataStore, or maybe there is some option 
to set.  But as a workaround one thing you can do is set your namespace as 
the default namepsace in GeoServer (Config -> data -> Namespace I 
believe), and then GeoServer will respond without the namespace prefix...

Chris


> 
> I'm not sure about that...
> 
> Sorry for my bad english...
> 
> Thanks,
> Pedro
> 
> 
> 
> 
> 
> 
> > I think I can answer both questions.
> >
> > Firstly we switched implementations and interfaces for the Coordinate
> > Reference implementation. This was a strategic move, but resulted in
> > broken code. This code was placed in a legacy module, and should
> > either still be in the repositorty under that module, or ported to the
> > new set of interfaces. I'm fairly certain that Martin would help you
> > get started on the port, should you want to volunteer some time :).
> >
> > As far as the WFS client, that was my code. I only implemented those
> > portions of the api that I though would actually be useful. Due to
> > complications in the WFS specification, it was not feasible to create
> > a low level writer (transactions + request/response pairs) as we could
> > not update in a batch mode. The FeatureStore interface however is
> > implemented (with the exception of Locking), so you should have full
> > read/write access there.
> >
> > DataStore ds = (new WFSDataStoreFactory()).createDataStore(m);
> > DefaultTransaction t = new DefaultTransaction("handle");
> > FeatureStore fs = (FeatureStore)ds.getFeatureSource(new
> > Filter(featureTypeName));
> >
> > ... or something similar (don't have a copy of the src in front of me).
> >
> > David
> >
> > On 5/17/05, Pedro Fernandes Neves <pf...@bo...> wrote:
> > > Hi,
> > >
> > > Anyone can explain me why the org.geotools.gui package disappeared in the gt2-main.jar of 2.1.M4 version? I've noted that some classes disappear in some releases. Why?
> > >
> > > Another thing, when I tired to use FeatureWriter from a DataStore generated by WFSDataStoreFactory, I get the following excption:
> > >
> > > Exception in thread "main" java.lang.UnsupportedOperationException: Writing not supported
> > >        at org.geotools.data.AbstractDataStore.getFeatureWriter(AbstractDataStore.java:281)
> > >        at org.geotools.data.TransactionStateDiff.applyDiff(TransactionStateDiff.java:172)
> > >        at org.geotools.data.TransactionStateDiff.commit(TransactionStateDiff.java:132)
> > >        at org.geotools.data.DefaultTransaction.commit(DefaultTransaction.java:175)
> > >        at br.com.alaskasolutions.test.Test.<init>(Test.java:226)
> > >        at br.com.alaskasolutions.test.Test.main(Test.java:54)
> > >
> > > The source code was (the connection to Geoserver is right):
> > >
> > > DataStore ds = (new WFSDataStoreFactory()).createDataStore(m);
> > > DefaultTransaction t = new DefaultTransaction("handle");
> > > FeatureWriter fwr = ds.getFeatureWriter(featureTypeName,t);
> > > ...
> > > fwr.write();
> > >
> > > Thanks,
> > > Pedro
> > >
> > > __________________________________________________________________________
> > > Acabe com aquelas janelinhas que pulam na sua tela.
> > > AntiPop-up UOL - É grátis!
> > > http://antipopup.uol.com.br/
> > >
> > > -------------------------------------------------------
> > > This SF.Net email is sponsored by Oracle Space Sweepstakes
> > > Want to be the first software developer in space?
> > > 

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