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 java.math.BigDecimal;
  
  import com.fasterxml.jackson.databind.JsonNode;
  
  public class SpeedOrVelocityBuilder {
  
      private SpeedOrVelocityBuilder() {
         throw new UnsupportedOperationException();
      }
  
      public static BigDecimal genericSpeed(JsonNode speed) {
          return genericSpeedOrVelocity(speed.asInt());
      }
  
      public static BigDecimal genericVelocity(JsonNode velocity) {
          return genericSpeedOrVelocity(velocity.asInt());
      }
  
      public static BigDecimal genericSpeedOrVelocity(int speedOrVelocity) {
  
          if (speedOrVelocity < 0 || speedOrVelocity > 8191) {
              throw new IllegalArgumentException("Speed or velocity out of bounds");
          }
  
          BigDecimal result = null;
  
          if (speedOrVelocity != 8191) {
              result = BigDecimal.valueOf(speedOrVelocity * (long) 2, 2);
          }
  
          return result;
  
      }
  }
  