stagesupport/src/main/java/com/streamsets/pipeline/lib/operation/OperationType.java
public static String getLabelFromStringCode(String code) throws NumberFormatException {
    try {
      int intCode = Integer.parseInt(code);
      return getLabelFromIntCode(intCode);
    } catch (NumberFormatException ex) {
      throw new NumberFormatException(
          String.format("%s but received '%s'","operation code must be numeric", code)
      );
    }
  }
public static String getLabelFromStringCode(String code) throws NumberFormatException {
    try {
      int intCode = Integer.parseInt(code);
      return getLabelFromIntCode(intCode);
    } catch (NumberFormatException ex) {
      throw new NumberFormatException(
          String.format("%s but received '%s'","operation code must be numeric", code)
      );
    }
  }
Convert from code in String type to label
@param code
@return