Hello everybody,

I'm trying to upgrade my project from Geotools 2.2 to Geotools 2.3.2.

I noticed that many classes are deprecated. Above all, classes in 
package "org.geotools.filter" have been substituted by classes in 
package "org.opengis.filter.expression".


I tried to make my code reflect this changes, so every class 
implementing org.geotools.filter.Expression has been modified to 
implements org.opengis.filter.expression.Expression.

But StyleBuilder needs Geotools' Expressions to create Fills and 
Backgrounds (for example), not OpenGIS' Expressions.

Am I doing something wrong? There is a guide or some documentation about 
porting applications from 2.2 to 2.3 avoiding warnings?

Document at http://docs.codehaus.org/display/GEOTOOLS/Upgrade+to+2.3 
just mentions about how to manage FeatureCollection and 
GridCoverageRenderer.

Could you help me?

Thank you,
Manuele.



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