NPE during WPSFactory instantiation if ows:Abstract element is missing/null in
DescriptionType
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Key: GEOT-2717
URL: http://jira.codehaus.org/browse/GEOT-2717
Project: GeoTools
Issue Type: Bug
Components: new modules
Affects Versions: 2.6-M2
Reporter: Matthias Lendholt
Priority: Minor
I got NullPointerExceptions creating a new WPSFactory. The first one
happens in org.geotools.data.wps.WPSFactory:
private void buildValuesFromProcessDescriptionType():
this.description = this.pdt.getAbstract().getValue();
In net.opengis.wps10.impl.DescriptionTypeImpl getAbstract() returns
_abstract and I cannot see any checks that avoid returning null. Trying
.getValue() results in the NPE. Since the child element "ows:Abstract"
of "DescriptionType" is optional
(http://schemas.opengis.net/wps/1.0.0/common/DescriptionType.xsd) it
must be checked if null is returned or not. Like
this.description =
this.pdt.getAbstract()==null?"":this.pdt.getAbstract().getValue();
It's not up to me to decide whether an empty String "" or null for
this.description should be used. Using null will result in an
IllegalArgumentException in getDescription() during conversion into an
InternationalString object.
The same problem in org.geotools.data.wps.WPSUtils twice:
1) createInputParamMap(..)
Creating the new Parameter
Parameter param = new Parameter(idt.getIdentifier().getValue(), type,
Text.text(idt.getTitle().getValue()),
Text.text(idt.getAbstract().getValue()), required,
idt.getMinOccurs().intValue(),
idt.getMaxOccurs().intValue(),
null, null);
2) createOutputParamMap(..)
Parameter param = new Parameter(odt.getIdentifier().getValue(), type,
Text.text(odt.getTitle().getValue()),
Text.text(odt.getAbstract().getValue()) );
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