Patch - Better null handing in Filter Literals
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Key: GEOT-1055
URL: http://jira.codehaus.org/browse/GEOT-1055
Project: GeoTools
Issue Type: Bug
Affects Versions: 2.2.0
Environment: all
Reporter: david blasby
Attachments: handle_empty_strings_better.patch
Currently if you have a <Literal></Literal> or a <Literal>...one or more
spaces...</Literal> in your Filter, the Literal gets replaced with a null.
This causes all sorts of problems.
This patch changes the parser so that it will create a literal with an empty
string instead of a NULL object.
Currently you cannot create literals that are empty strings or just containing
white space.
People who are using it to do null checks should be using a "<PropertyIsNull>"
check, NOT converting perfectly good strings to nulls.
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