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 TimeOffsetBuilder {
  
      private static final Integer TIME_OFFSET_LOWER_BOUND = 1;
      private static final Integer TIME_OFFSET_UPPER_BOUND = 65535;
      
      private TimeOffsetBuilder() {
         throw new UnsupportedOperationException();
      }
  
      public static BigDecimal genericTimeOffset(JsonNode timeOffset) {
  
          BigDecimal result;
  
          if (timeOffset.asInt() == 65535) {
              result = null;
          } else if (timeOffset.asInt() < TIME_OFFSET_LOWER_BOUND) {
              throw new IllegalArgumentException("Time offset value below lower bound [1]");
          } else if (timeOffset.asInt() > TIME_OFFSET_UPPER_BOUND) {
              result = BigDecimal.valueOf(655.34);
          } else {
              result = BigDecimal.valueOf(timeOffset.asLong(), 2);
          }
  
          return result;
      }
  
  }
  