VectorToRaster throws NullPointerException
------------------------------------------
Key: GEOT-3846
URL: https://jira.codehaus.org/browse/GEOT-3846
Project: GeoTools
Issue Type: Bug
Components: process, unsupported, wps
Affects Versions: 8.0-M1, 8.0-M0, 2.7.2, 2.7.1
Environment: OS: Ubuntu 11.04
Java: 1.6.0_26
CPU: x86_64
Reporter: Michael Romero
Fix For: 2.7.3, 8.0-M2, 8.0-M1, 2.7.2
Attachments: process-raster-patch.diff
The _execute_ method in VectorToRaster.java calls the _convert_ method passing
an the {{attribute}} parameter as an Expression. When the type of {{attribute}}
is checked in the _initialize_ method, it is always evaluated as an Expression
and the {{transferType}} is never set. This causes a NullPointerException in
the _processFeature_ method when {{transferType}} is used in the switch
statement. Unit tests bypass the _execute_ method so they pass without this
issue.
In the _processFeature_ there is a missing break statement for POLYGON,
LINESTRING, and POINT geometry types.
Float (and Double) values are not getting read properly in the
_flattenImageToFloat_ method.
Attached is a patch that fixes bugs above. The patch is applied to the 8.0-x
releases after process-raster was separated out. The patch also includes a few
more unit tests to test the _execute_ method, float values, and String values
that evaluate to a Number.
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