// Read
DataStore inputDataStore = DataStoreFinder.getDataStore(inParams);

String inputTypeName = "AstunLocationLookup";
SimpleFeatureType inputType = inputDataStore.getSchema(inputTypeName);

FeatureSource<SimpleFeatureType, SimpleFeature> source = inputDataStore.getFeatureSource(inputTypeName);

Filter filter = ff.bbox(ff.property(geometryPropertyName), bbox);
// write results
SimpleFeatureCollection features = source.getFeatures(filter);