if (exitCode != ExitCode.OK)
return null;
String formula = myParameters.getParameter(
MzRangeCalculatorParameters.formula).getValue();
IonizationType ionType = myParameters.getParameter(
MzRangeCalculatorParameters.ionType).getValue();
MZTolerance mzTolerance = myParameters.getParameter(
MzRangeCalculatorParameters.mzTolerance).getValue();
Integer charge = myParameters.getParameter(
MzRangeCalculatorParameters.charge).getValue();