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SimpleFeatureToFeature.scala
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SimpleFeatureToFeature.scala
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/*
* Copyright 2016 Azavea
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package geotrellis.geotools
import geotrellis.vector._
import org.geotools.api.feature.simple.SimpleFeature
import scala.collection._
import scala.collection.JavaConverters._
import scala.reflect.ClassTag
object SimpleFeatureToFeature {
def apply[G <: Geometry : ClassTag](simpleFeature: SimpleFeature): Feature[G, immutable.Map[String, AnyRef]] = {
val properties = simpleFeature.getProperties.asScala
val map = mutable.Map.empty[String, AnyRef]
val defaultGeom = simpleFeature.getDefaultGeometry
var geometry: Option[G] = if (defaultGeom != null) Some(defaultGeom.asInstanceOf[G]) else None
properties.foreach({ property =>
(defaultGeom, property.getValue) match {
case (null, g: Geometry) => geometry = Some(g.asInstanceOf[G])
case (g1: Geometry, g2: Geometry) =>
val key = property.getName.toString
val value = g2.asInstanceOf[G]
if (g1.toString != g2.toString) {
map += (key -> value)
}
case _ =>
val key = property.getName.toString
val value = property.getValue
map += (key -> value)
}
})
assert(geometry != null, s"$simpleFeature")
Feature(geometry.get, map.toMap)
}
}