code: public Character getChar(String name) {
          Object o = get(name);
          if (o instanceof Character) {
              return (Character)o;
          }
  
          if (o != null) {
              String string = o.toString();
              if (string != null && string.length() == 1) {
                  return string.charAt(0);
              }
          }
          return null;
      }
docs: Helper method for obtaining Character value from parameter
  @param name The name of the parameter
  @return The Character value or null if there isn't one