code: public static int sld2awtJoin( String sldJoin ) {
          if (sldJoin.equals(lineJoinNames[1])) {
              return BasicStroke.JOIN_BEVEL;
          } else if (sldJoin.equals("") || sldJoin.equals(lineJoinNames[2])) {
              return BasicStroke.JOIN_MITER;
          } else if (sldJoin.equals(lineJoinNames[3])) {
              return BasicStroke.JOIN_ROUND;
          } else {
              throw new IllegalArgumentException("unsupported line join");
          }
      }
docs: Convert a sld line join definition to the java awt value.
  
  @param sldJoin the sld join string.
  @return the awt value.