content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.asterix.dataflow.data.nontagged.serde.jacksonjts;
  
  import org.locationtech.jts.geom.Coordinate;
  import org.locationtech.jts.geom.CoordinateXYZM;
  import org.locationtech.jts.geom.Geometry;
  
  public class GeoFunctionUtils {
      public static final int LITTLE_ENDIAN_BYTEORDER = 2;
  
      /**
       * Returns the dimension of the coordinate based on whether Z or M is defined.
       * TODO: Add 4th dimension support
       * @param geometry The geometry to check.
       * @return the dimensionality of the coordinate (2 or 3 or 4).
       */
      public static int getCoordinateDimension(Geometry geometry) {
          int dimension = 2;
          if (geometry == null || geometry.isEmpty()) {
              return 2;
          }
          Coordinate sample = geometry.getCoordinates()[0];
          if (!Double.isNaN(sample.getZ())) {
              dimension++;
          }
  
          if (sample instanceof CoordinateXYZM) {
              CoordinateXYZM firstCoordXYZM = (CoordinateXYZM) sample;
              if (!Double.isNaN(firstCoordXYZM.getM())) {
                  dimension = 3;
              }
          }
          return dimension;
      }
  }
  