package org.opentrafficsim.xml.bindings;
   
   import javax.xml.bind.annotation.adapters.XmlAdapter;
   
   import org.djunits.value.Scalar;
   import org.djunits.value.vdouble.scalar.Length;
   
   /**
    * LengthAdapter converts between the XML String for a Length and the DJUnits Length. The length should be positive. <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 LengthAdapter extends XmlAdapter<String, Length>
  {
      /** {@inheritDoc} */
      @Override
      public Length unmarshal(final String field) throws IllegalArgumentException
      {
          if (field.trim().startsWith("-"))
          {
              throw new IllegalArgumentException("Length cannot be negative: " + field);
          }
          return Length.valueOf(field);
      }
  
      /** {@inheritDoc} */
      @Override
      public String marshal(final Length length) throws IllegalArgumentException
      {
          if (length.lt(Length.ZERO))
          {
              throw new IllegalArgumentException("Length cannot be negative: " + length);
          }
          return Scalar.textualStringOfDefaultLocale(length);
      }
  
  }