Alex Trofast ha scritto:
> Thanks for your response Andrea,
>
> Regarding FilterFactory I was just really wondering if it made use of
> the FilterToSql class when building filters.
Nope, FilterFactory is completely stand alone, does not use anything
else. It would not make sense for it to use a sql encoding artifact
either, OGC filters are data storage independent.
> The follow test errors out
> (JDBCFeatureSourceTest):
>
> FilterFactory ff = dataStore.getFilterFactory();
> SortBy sort = ff.sort(aname("stringProperty"),
> SortOrder.ASCENDING);
> DefaultQuery query = new DefaultQuery();
> query.setSortBy(new SortBy[] { sort });
>
> SimpleFeatureCollection features =
> featureSource.getFeatures(query); <--- HERE
>
> With a NullPointerException. I'm uncertain as to why that is and having
> some difficult tracking it down.
If the NPE is really there I guess your featureSource is null.
Odd, but checks what's going on when the code grabs it.
>
> The way I build geometries is through a AsBinary(col_name) then in
> decodeGeometryValue I do this:
>
> try {
> byte bytes[] = rs.getBytes(column);
>
> if(bytes == null) {
> return null;
> }
> Geometry geom = (Geometry) new WKBReader().read(bytes);
> return geom;
> }
>
> There are no exceptions as far as I can tell so the read is okay.
> AsBinary will return WKB as per the specification.
Unfortunately I have no idea. I would have debug step by step through
the code, but you can do the same as well.
Cheers
Andrea
--
Andrea Aime
OpenGeo - http://opengeo.org
Expert service straight from the developers.
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