public static Double makeDouble(String s){
  if (WWUtil.isEmpty(s)) {
    return null;
  }
  try {
    return Double.valueOf(s);
  }
 catch (  NumberFormatException e) {
    return null;
  }
}

public static Double makeDouble ( String s ) { if ( WWUtil . isEmpty ( s ) ) { return null ; } try { return Double . valueOf ( s ) ; } catch ( NumberFormatException e ) { return null ; } }
parses a string to a double value if the string can be parsed as a double . does not log a message if the string can not be parsed as a double .
