[6.5.0][道路事件] 防止polygon数据不闭合导致程序崩溃

core/function-impl/mogo-core-function-biz/src/main/java/com/mogo/eagle/function/biz/v2x/v2n/utils/V2NUtils.kt

@@ -8,6 +8,8 @@ import com.zhidaoauto.map.data.road.CenterLine
 import org.locationtech.jts.geom.Coordinate
 import org.locationtech.jts.geom.GeometryFactory
 import org.locationtech.jts.geom.LineString
+import org.locationtech.jts.geom.LineString.MINIMUM_VALID_SIZE
+import org.locationtech.jts.geom.Polygon
 import org.locationtech.jts.linearref.LengthIndexedLine
 import java.util.concurrent.CountDownLatch
 
@@ -27,8 +29,20 @@ object V2NUtils {
         }
         val occupy = ArrayList<Lane>()
         val factory = GeometryFactory()
+        val polygonList = ArrayList<Coordinate>(polygon.map { Coordinate(it.first, it.second) })
+        var p1: Polygon? = null
+        while (p1 == null) {
+            if (polygonList.size < MINIMUM_VALID_SIZE) {
+                polygonList.add(polygonList[0])
+                continue
+            }
+            try {
+                p1 = factory.createPolygon(polygonList.toTypedArray())
+            } catch (ignore: IllegalArgumentException) {
+                polygonList.add(polygonList[0])
+            }
+        }
         for (lane in lanes) {
-            val p1 = factory.createPolygon(polygon.map { Coordinate(it.first, it.second) }.toTypedArray())
             val p2 = factory.createLineString(lane.points.map { Coordinate(it.first, it.second) }.toTypedArray()).buffer((lane.width.toDouble() * 0.7 * (1e-5)) / 2.0)
             if (p1.intersects(p2)) {
                 occupy += lane