package org.opentrafficsim.xml.bindings;
   
   import javax.xml.bind.annotation.adapters.XmlAdapter;
   
   import org.djutils.logger.CategoryLogger;
   import org.opentrafficsim.xml.bindings.types.GtuPositionType;
   
   /**
    * GTUPositionAdapter to convert between XML representations of a reference point on a GTU, coded as FRONT, REAR and REFERENCE,
   * and an enum type.
   * <p>
   * Copyright (c) 2013-2023 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * </p>
   * @author <a href="https://github.com/averbraeck" target="_blank">Alexander Verbraeck</a>
   */
  public class GtuPositionAdapter extends XmlAdapter<String, GtuPositionType>
  {
      /** {@inheritDoc} */
      @Override
      public GtuPositionType unmarshal(final String field) throws IllegalArgumentException
      {
          try
          {
              String clean = field.replaceAll("\\s", "");
              if (clean.equals("FRONT"))
              {
                  return GtuPositionType.FRONT;
              }
              if (clean.equals("REAR"))
              {
                  return GtuPositionType.REAR;
              }
              if (clean.equals("REFERENCE"))
              {
                  return GtuPositionType.REFERENCE;
              }
          }
          catch (Exception exception)
          {
              CategoryLogger.always().error(exception, "Problem parsing GTUPosition '" + field + "'");
              throw new IllegalArgumentException("Error parsing GTUPosition " + field, exception);
          }
          CategoryLogger.always().error("Problem parsing GTUPosition '" + field + "'");
          throw new IllegalArgumentException("Error parsing GTUPositionType " + field);
      }
  
      /** {@inheritDoc} */
      @Override
      public String marshal(final GtuPositionType gtuPosition) throws IllegalArgumentException
      {
          if (gtuPosition.equals(GtuPositionType.FRONT))
              return "FRONT";
          if (gtuPosition.equals(GtuPositionType.REAR))
              return "REAR";
          return "REFERENC";
      }
  
  }