Inconsistent type handler handling
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Key: IBATIS-61
URL: http://issues.apache.org/jira/browse/IBATIS-61
Project: iBatis for Java
Type: Bug
Components: SQL Maps
Versions: 2.0.9
Reporter: Geoff Chiang
Priority: Minor
The feature added in version 2.0.9 which allowed the user to directly implement
the TypeHandler interface rather than the TypeHandlerCallback interface only
works if the type handler is declared in the SqlMap configuration file (i.e. as
a '/sqlMapConfig/typeHandler' node). If a class implementing TypeHandler is
configured in a result map (as a '/sqlMap/resultMap/result/@typeHandler' node),
a ClassCastException is thrown.
Examination of the source of the SqlMapConfigParser class shows (at lines
216-224) that the correct checks are done for a direct TypeHandler
implementation. Compare this with the SqlMapParser class (lines 354-366) where
the exception is thrown from. This latter code assumes that the type handler
implements TypeHandlerCallback and fails if a TypeHandler is passed.
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