precedence calc

package calculator;

import java.util.Stack;
import util.TokenDispenser;


public class PrecedenceCalculator extends NoPrecedenceCalculator {

    public PrecedenceCalculator(String title) {
        super(title);
        tempStack = new Stack<>();
    }

    public PrecedenceCalculator() {
        this("Calculator With Operator Precedence");
    }

    @Override
    public void reduce() {
    dispenser = getDispenser();
        Stack<Object> stack = getStack();
        double operand1, operand2;
        char operator = (Character)getStack().get(getStack().size()-2);
        if(dispenser.tokenIsEOF()){
            System.out.println("tokenIsEOF, tempStack.size() =" + tempStack.size());
            for(int i = 0; i < tempStack.size(); i++){
                System.out.println("Pushing from tempStack: " + tempStack.get(tempStack.size()));
                stack.push(tempStack.pop());
            }
            System.out.println("tokenIsEOF2");
            while(numOpNumOnStack()){
                reduceNumOpNum();
            }

        }
        else if (numOpNumOnStack()) {

            //If operator of a numOp Num is + or -,
            //pop second num onto temp variable, pop and push first num
            //and op onto tempstack, and then push second num back onto originial stack
            if(operator == '+' || operator == '-'){
                operand1 = (double)stack.pop();
                System.out.println("Popping from stack: " + operand1);
                operator = (Character)stack.pop();
                System.out.println("Popping from stack: " + operator);
                operand2 = (double)stack.pop();
                System.out.println("Popping from stack: " + operand2);
                tempStack.push(operand2);
                System.out.println("Pushing to tempStack: " + operand2);
                tempStack.push(operator);
                System.out.println("Pushing to tempStack: " + operator);
                stack.push(operand1);
                System.out.println("Pushing to stack: " + operand1);
            }
            else if(operator == '*' || operator == '/'){
                reduceNumOpNum();
            }
        }

    }



    private TokenDispenser dispenser;
    private final Stack<Object> tempStack;

}