Rini you may wish to also look at some of the other implementations of property accessor - including one that does full xpath support (thanks to an apache project).
There are many PropertyAccessor implementations around ... Jody On Tue, Mar 9, 2010 at 6:42 PM, <[email protected]> wrote: > Hi Justin, > > Since you're the author of the class, I'm wondering if you could help me. > In SimpleFeaturePropertyAccessor.canHandle(), it does this: > > > if > > ( object instanceof SimpleFeature ) { > > return ((SimpleFeature) object).getAttribute( xpath ) != null; > > } > > When we have a null value in the database, it then starts using the next > accessor for the next rows, which is XPathPropertyAccessor. > > XPathPropertyAccessor doesn't only return the value of the column, > but wrapping it with an xpath place holder. > > i.e. this is what's encoded: > > <gsml:mineralName > xlink:href="http://resource.nvcl.au/classifier/auscope/tsa/6.1/mineral/SimpleFeatureImpl.Attribute: > CLASSTEXT<CLASSTEXT id=LOGDATA10M.fid--5710a6a2_125b91b4e25_-7fe8>=Sulfate" > /> > > whereas, this is what we want: > > <gsml:mineralName > xlink:href="http://resource.nvcl.au/classifier/auscope/tsa/6.1/mineral/Sulfate"; > /> > > > Our workaround so far is to replace null values with null string > representations in the database, e.g. 'N/A'. > > Is this a bug? > > Is it meant to check if the attribute exists in the feature, i.e. > > return ((SimpleFeature) object).getProperty( xpath ) != null; > > instead? > > > > Thank you and regards, > > Rini > > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > Geotools-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geotools-devel > > ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Geotools-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-devel
