code: /*******************************************************************************
   * Copyright 2018 572682
   * 
   * 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 us.dot.its.jpo.ode.plugin.j2735.builders;
  
  import com.fasterxml.jackson.databind.JsonNode;
  
  import us.dot.its.jpo.ode.plugin.j2735.J2735ObstacleDetection;
  
  public class ObstacleDetectionBuilder {
  
     public enum J2735VertEventNames {
        rightRear, rightFront, leftRear, leftFront, notEquipped
     }
  
     private static final Integer DIST_LOWER_BOUND = 0;
     private static final Integer DIST_UPPER_BOUND = 32767;
  
     private ObstacleDetectionBuilder() {
        throw new UnsupportedOperationException();
     }
  
     public static J2735ObstacleDetection genericObstacleDetection(JsonNode obstacleDetection) {
  
        // Bounds check
        int obDist = obstacleDetection.get("obDist").asInt();
        if (obDist < DIST_LOWER_BOUND || DIST_UPPER_BOUND < obDist) {
           throw new IllegalArgumentException(
                 String.format("Distance out of bounds [%d..%d]", DIST_LOWER_BOUND, DIST_UPPER_BOUND));
        }
  
        // Required elements
        J2735ObstacleDetection ob = new J2735ObstacleDetection();
        ob.setObDist(obDist);
        ob.setObDirect(AngleBuilder.genericAngle(obstacleDetection.get("obDirect")));
        ob.setDateTime(DDateTimeBuilder.genericDDateTime(obstacleDetection.get("dateTime")));
  
        // Optional elements
        JsonNode description = obstacleDetection.get("description");
  
        if (description != null) {
           ob.setDescription(description.asInt());
        }
  
        JsonNode locationDetails = obstacleDetection.get("locationDetails");
        if (locationDetails != null) {
           ob.setLocationDetails(NamedNumberBuilder.genericGenericLocations(locationDetails));
        }
  
        ob.setVertEvent(
              BitStringBuilder.genericBitString(obstacleDetection.get("vertEvent"), J2735VertEventNames.values()));
  
        return ob;
     }
  
  }
  