Sidhant Bansal - Project Portfolio

public SortCommand parse(String args) throws SimpleParseException {

    Comparator<Task> comparator = Comparator.comparing(Task::getClass, (a, b) -> {
        return 0; // a default comparator which compares every task equal
    });

    // argumentsArray is an array of strings referring to all the arguments given to the sort command.

    for (String arg: argumentsArray) {
        final String taskField = arg.substring(0, arg.length() - 1);
        final char comparisonChar = arg.charAt(arg.length() - 1);

        switch(taskField) {
        case "n":   // fallthrough
        case "name": {
            if (comparisonChar == '<') {
                comparator = comparator.thenComparing(Task::getName);
            } else {
                comparator = comparator.thenComparing(Taks::getName, Comparator.reverseOrder());
            }
            break;
        }
        case "p":   // fallthrough
        case "priority": {
            if (comparisonChar == '<') {
                comparator = comparator.thenComparaing(Task::getPriority);
            }  else {
                comparator = comparator.thenComparing(Task::getPriority, Comparator.reverseOrder());
            }
        }
        // ... consists of case for other task fields as well
        }
    }
    return new SortCommand(comparator);
}