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. <br>
   * <br>
   * Copyright (c) 2003-2018 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See
   * for project information <a href="https://www.simulation.tudelft.nl/" target="_blank">www.simulation.tudelft.nl</a>. The
   * source code and binary code of this software is proprietary information of Delft University of Technology.
   * @author <a href="https://www.tudelft.nl/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";
      }
  
  }