package org.opentrafficsim.xml.bindings;
   
   import java.awt.Color;
   
   import javax.xml.bind.annotation.adapters.XmlAdapter;
   
   import org.djutils.logger.CategoryLogger;
   
   /**
   * ColorAdapter to convert between Color and a String representation of the Color. Allowed representations are:<br>
   * - #RRGGBB as three hexadecimal values<br>
   * - RGB(r,g,b) where r, g and b are bytes - well known color string such as RED, GREEN, BLACK<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 ColorAdapter extends XmlAdapter<String, Color>
  {
      /** {@inheritDoc} */
      @Override
      public Color unmarshal(final String field) throws IllegalArgumentException
      {
          try
          {
              String colorStr = field.replaceAll("\\s", "");
  
              if (colorStr.startsWith("#"))
                  return Color.decode(colorStr);
  
              if (colorStr.startsWith("RGB"))
              {
                  String c = colorStr.substring(3).replace("(", "").replace(")", "");
                  String[] rgb = c.split(",");
                  int r = Integer.parseInt(rgb[0].trim());
                  int g = Integer.parseInt(rgb[1].trim());
                  int b = Integer.parseInt(rgb[2].trim());
                  return new Color(r, g, b);
              }
  
              if (colorStr.equals("BLACK"))
                  return Color.BLACK;
              if (colorStr.equals("BLUE"))
                  return Color.BLUE;
              if (colorStr.equals("CYAN"))
                  return Color.CYAN;
              if (colorStr.equals("DARK_GRAY"))
                  return Color.DARK_GRAY;
              if (colorStr.equals("GRAY"))
                  return Color.GRAY;
              if (colorStr.equals("GREEN"))
                  return Color.GREEN;
              if (colorStr.equals("LIGHT_GRAY"))
                  return Color.LIGHT_GRAY;
              if (colorStr.equals("MAGENTA"))
                  return Color.MAGENTA;
              if (colorStr.equals("ORANGE"))
                  return Color.ORANGE;
              if (colorStr.equals("PINK"))
                  return Color.PINK;
              if (colorStr.equals("RED"))
                  return Color.RED;
              if (colorStr.equals("WHITE"))
                  return Color.WHITE;
              if (colorStr.equals("YELLOW"))
                  return Color.YELLOW;
          }
          catch (Exception exception)
          {
              CategoryLogger.always().error(exception, "Problem parsing color '" + field + "'");
              throw new IllegalArgumentException("Error parsing color " + field, exception);
          }
          CategoryLogger.always().error("Problem parsing color '" + field + "'");
          throw new IllegalArgumentException("Error parsing color " + field);
      }
  
      /** {@inheritDoc} */
      @Override
      public String marshal(final Color color) throws IllegalArgumentException
      {
          return "RGB(" + color.getRed() + "," + color.getGreen() + "," + color.getBlue() + ")";
      }
  
  }