private void parseDataType(ArrayList<String> argList) throws NumberFormatException {
// checking positional args
for (int index = 0; index < argList.size(); index++) {
incorrectDataTypeIndex = index;
incorrectArgumentType = "positional";
PositionalArgument currentArg = positionalArgumentList.get(index);
if (currentArg.getType().equals("integer")) {
int argValue = Integer.parseInt(argList.get(index));
currentArg.setValue(argList.get(index));
// currentArg.setValue(argValue);
} else if (currentArg.getType().equals("float")) {
float argValue = Float.parseFloat(argList.get(index));
currentArg.setValue(argList.get(index));
} else if (currentArg.getType().equals("string")) {
String argValue = argList.get(index);
currentArg.setValue(argValue);
} else {
Boolean argValue = parseBool(argList.get(index));
currentArg.setValue(argList.get(index));
}
}
}
/**
* Parses input data from the command line and throws the correct exceptions if tinput data is an
* incorrect format
*
* @param args the input data from the command line
* @throws HelpException if the help argument is given in the input data
* @throws IncorrectNumberOfArgsException if an incorrect number of positional arguments is given
* in the input data
* @throws IncorrectArgTypeException if an input argument is given as the wrong dataType specified
* by the user
* @throws ArgumentDoesNotExistException if a named argument is given in the input data that has
* not been created by the user
* @throws IncorrectArgumentValueException if the input data is not a possible value for a
* specified argument
*/
public void parse(String[] args)
throws HelpException, IncorrectNumberOfArgsException, IncorrectArgTypeException,
ArgumentDoesNotExistException, IncorrectArgumentValueException {
ArrayList<String> tempPositionalArgList = getPositionalArgs(args);
try {
setLongFormNamedArgValues(args);
setShortFormNamedArgValues(args);
} catch (Exception e) {
throw new IncorrectArgTypeException(incorrectDataTypeMessage(tempPositionalArgList));
}
invalidNamedArgument(args); // throws ArgumentDoesNotExistException
NamedArgument helpArgument = getNamedArgument("help");
if (helpArgument != null) {
Boolean helpArgValue = (Boolean) helpArgument.getValue();
if (helpArgValue) {
throw new HelpException(helpMessage());
}
}
if (positionalArgumentList.size() != tempPositionalArgList.size()) {
throw new IncorrectNumberOfArgsException(incorrectNumberOfArgsMessage(tempPositionalArgList));
} else if (positionalArgumentList.size() == tempPositionalArgList.size()) {
for (int i = 0; i < tempPositionalArgList.size(); i++) {
PositionalArgument currentArg = positionalArgumentList.get(i);
currentArg.setValue(tempPositionalArgList.get(i));
}
try {
parseDataType(tempPositionalArgList);
} catch (Exception e) {
throw new IncorrectArgTypeException(incorrectDataTypeMessage(tempPositionalArgList));
}
parseNamedArgumentValues(namedArgumentList); // throws IncorrectArgumentValueException
parsePositionalArgumentValues(
positionalArgumentList); // throws IncorrectArgumentValueException
}
}
