Hello,
While running the SelectionLab example with 11-RC1, I get a null pointer
exception when I use the 'select tool' to click on a feature. Specifically,
the exception is raised on the call to selectedFeatures.features(); I've
traced it to the ExtractBoundsFilterVisitor.visit function returning null.
Does this look like a bug?
// from SelectionLab.java:
AffineTransform screenToWorld =
mapFrame.getMapPane().getScreenToWorldTransform();
Rectangle2D worldRect =
screenToWorld.createTransformedShape(screenRect).getBounds2D();
ReferencedEnvelope bbox = new ReferencedEnvelope(
worldRect,
mapFrame.getMapPane().getMapContent().getCoordinateReferenceSystem());
/*
* Create a Filter to select features that intersect with
* the bounding box
*/
Filter filter = ff.intersects(ff.property(geometryAttributeName),
ff.literal(bbox));
/*
* Use the filter to identify the selected features
*/
try {
SimpleFeatureCollection selectedFeatures =
featureSource.getFeatures(filter);
SimpleFeatureIterator iter = selectedFeatures.features();
// from ExtractBoundsFilterVisitor
@Override
public Object visit(PropertyName expression, Object data) {
return null;
}
Here's the stack trace:
Mouse click at: DirectPosition2D[6349881.5871864, 2029348.2224553742]
java.lang.NullPointerException
at
org.geotools.data.shapefile.ShapefileFeatureSource.getReaderInternal(Shapefi
leFeatureSource.java:237)
at
org.geotools.data.shapefile.ShapefileFeatureStore.getReaderInternal(Shapefil
eFeatureStore.java:126)
at
org.geotools.data.store.ContentFeatureSource.getReader(ContentFeatureSource.
java:563)
at
org.geotools.data.store.ContentFeatureCollection.features(ContentFeatureColl
ection.java:165)
at
com.aseg.StyleLab.SelectionLab.selectFeatures(SelectionLab.java:217)
at
com.aseg.StyleLab.SelectionLab$1$1.onMouseClicked(SelectionLab.java:161)
at
org.geotools.swing.event.DefaultMapMouseEventDispatcher.mouseClicked(Default
MapMouseEventDispatcher.java:99)
at java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
at java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
at java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
.
Thanks for any feedback,
Hal
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