package org.opentrafficsim.xml.bindings;
   
   import javax.xml.bind.annotation.adapters.XmlAdapter;
   
   import org.opentrafficsim.xml.bindings.types.ArcDirection;
   
   /**
    * LeftRightAdapter to convert between XML representations of an arc direction, coded as L | LEFT | R | RIGHT | CLOCKWISE |
    * COUNTERCLOCKWISE, 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 LeftRightAdapter extends XmlAdapter<String, ArcDirection>
  {
      /** {@inheritDoc} */
      @Override
      public ArcDirection unmarshal(final String field) throws IllegalArgumentException
      {
          try
          {
              String clean = field.replaceAll("\\s", "");
              if (clean.equals("L") || clean.equals("LEFT") || clean.equals("COUNTERCLOCKWISE"))
              {
                  return ArcDirection.LEFT;
              }
              if (clean.equals("R") || clean.equals("RIGHT") || clean.equals("CLOCKWISE"))
              {
                  return ArcDirection.RIGHT;
              }
          }
          catch (Exception exception)
          {
              throw new IllegalArgumentException("Error parsing ArcDirection " + field, exception);
          }
          throw new IllegalArgumentException("Error parsing ArcDirection " + field);
      }
  
      /** {@inheritDoc} */
      @Override
      public String marshal(final ArcDirection arcDirection) throws IllegalArgumentException
      {
          if (arcDirection.equals(ArcDirection.LEFT))
              return "LEFT";
          return "RIGHT";
      }
  
  }