ArrayList and A Shopping Cart

package TestPackage;

import java.util.*;
import java.io.*;
import javax.swing.*;
//import java.lang.*;

public class GoShopping {

    public static void main(String[] args) throws Exception {

        // Item item = new Item();
        ShoppingCart cart = new ShoppingCart();
        Scanner input = null;
        final String INPUT_FILE = "StoreItemsList.txt";
        File inputFile = new File(INPUT_FILE);

        if (!inputFile.exists()) {
            JOptionPane.showMessageDialog(null,
                    "File '" + INPUT_FILE + "' not found. \nClick OK to end program.",
                    "File Not Found Error", JOptionPane.ERROR_MESSAGE);
            System.out.println("File '" + INPUT_FILE + "' not found.");
            System.exit(0);
        }
        Scanner scanner = new Scanner(System.in);

        // Scanner input = new Scanner(inputFile).useDelimiter("\\-");

        System.out.println("Hello! Please choose an option from the menu.\n");
        boolean isFull = false;
        int choice = 5;
        int count = 0;

        String answer = "";

        while (choice > 0) {
            displayMenu();
            choice = scanner.nextInt();

            switch (choice) {
                case 1:
                    input = new Scanner(inputFile).useDelimiter("-");
                    while (input.hasNextLine() && !isFull) {
                        String strQuantity = "1";
                        String line = input.nextLine();
                        String[] lineItem = line.split("-");
                        String itemCode = lineItem[0];
                        String strPrice = lineItem[1];
                        String itemName = lineItem[2];

                        System.out.print("Add item code " + lineItem[0] + ",\"" + lineItem[2] + "\"to your cart?\n"
                                + "Type \"Y\" for Yes or \"N\" for No.\n");
                        answer = scanner.next();
                        if (answer.equalsIgnoreCase("Y")) {
                            //String strQuant = lineItem[2].trim();
                            //String strPrice = lineItem[3].trim();
                            //strQuantity = strQuantity;
                            //strPrice = strPrice.trim();
                            int itemQuantity = Integer.parseInt(strQuantity);
                            double itemPrice = Double.parseDouble(strPrice);
                            Item item = new Item();
                            item.setItemCode(itemCode);
                            item.setItemName(itemName);
                            //temporary - just to put a number in the quant position until quantity mulitplier is created
                            item.setItemQuant(itemQuantity);
                            item.setItemPrice(itemPrice);
                            
                            if (cart.addToCart(item)) {
                                System.out.print("Item added to your cart.\n");
                                //cart.getListToArray();
                            } 
                        } else {
                            System.out.print("No items added");


                        }
                        // break;
                    }
                    input.close();
                    break;
                case 2:
                    System.out.println(cart.toString());
                    break;
                case 3:
                    cart.EmptyCart();
                    break;
                case 4:
                    //cart.getListToArray();
                    //System.out.println("You have total of " + cart.getTotalNumber() + " purchases. ");
                    //System.out.println("Your total is : $" + cart.getTotalPrice());
                    break;
                case 5:
                    input.close();
                    System.out.println("Thank you! Come again!");
                    System.exit(0);
            }
        }
    }

    public static void displayMenu() {
        System.out.println("\n-----------------------------------------");
        System.out.println("Select an Option and enter your choice.");
        System.out.println("1) Add items to your cart.");
        System.out.println("2) Display the items in your cart and the\n"
                + "   running total.");
        System.out.println("3) Empty your cart.");
        System.out.println("4) Checkout.");
        System.out.println("5) Quit");
        System.out.println("-----------------------------------------");
        System.out.print("Enter a number (1 through 5) as your choice: ");
    }
}

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package TestPackage;

import java.util.ArrayList;

public class ShoppingCart {

    private ArrayList cart;
    private String MyCart;
    //private int capacity;
    private int currentNumberOfItems;
    //int usedCapacity;
    double totalPrice;

    public ShoppingCart() {
        cart = new ArrayList();
        MyCart = "My Selected Items";
        totalPrice = 0.00;
        currentNumberOfItems = 0;

    }

    public boolean addToCart(Item newItem) {
        if (!cart.add(newItem)) {
            return false;
        }
        currentNumberOfItems++;
        return true;
    }
    public void EmptyCart() {
        currentNumberOfItems = 0;
        cart.clear();
    }
    public double getItemTotal(double totalPrice) {
        //Item item = new Item();
        this.totalPrice = totalPrice;
        return totalPrice;
    }

    //thought that trying to cast the ArrayList of objects to an array would help
    //accomplish parsing the pieces into something usable (i.e. prices and quantities) for
    //math manipulation
//    public Object[] getListToArray() {
//        int i = 0;
//        Object itemList[] = new Object[cart.size()];
//        itemList = (Object[]) cart.toArray(itemList);
//       for (i=0;i<=cart.size();i++){
//           System.out.print(itemList[i]);
//       }
//        return itemList[4];
//    }


    public double getTotalPrice(){
       double sum = 0.00;
       int i = 0;
       return sum;
    }
//    public int getTotalNumber(){
//        int totNum = 0;
//         for(int j=0; j<currentNumberOfItems; j++){
//            totNum += cart[j].getItemQuant();
//
//        }
//
//        return totNum;
//    }
    public int cartSize(){
        int cartSize = cart.size();
        return cartSize;
    }

    @Override
    public String toString() {
        String s = "";
        for (int j = 0; j < cart.size(); j++) {
            s += cart.get(j);
        }
        System.out.println("Code\t   Price\t Item\t\t\t\t\tQuantity");
        return s;
    }
}

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package TestPackage;

public class Item {
    private String itemName;
    private String itemCode;
    private int itemQuant;
    private double itemPrice;
    private int itemCapacity;



    //default constructor
    public Item(){
        itemName = null;
        itemQuant = 0;
        itemPrice = 0.00;
        itemCode = null;
        itemCapacity = 0;

    }
    //contructor with parameters
    public Item(String code,double price,String name,int quantity ){
        this.itemCode = code;
        this.itemPrice = price;
        this.itemName = name;
        this.itemQuant = quantity;
        
    }
    public Item(int itemCapacity){
        this.itemCapacity = itemCapacity;
    }

    //accessor methods
    public String getItemName(){
        return itemName;
    }

    public int getItemQuant(){
        return itemQuant;
    }

    public double getItemPrice(){
        return itemPrice;
    }

    public String getItemCode(){
        return itemCode;
    }

    public int getSize(){
        return itemCapacity;
    }
    //mutator methods
    public void setItemName(String name){
        this.itemName = name;
    }

    public void setItemQuant(int quant){
        this.itemQuant = quant;
    }

    public void setItemPrice(double price){
        this.itemPrice = price;
    }

    public void setItemCode(String code){
        this.itemCode = code;
    }

    //other methods
    @Override
    public String toString(){
        return
                getItemCode()+"\t"+
                getItemPrice()+"\t"+
                getItemName()+"\t"+
                getItemQuant()+"\n";
                

    }
}

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/*
 * Files:
 * Item.java
 * ShoppingCart.java
 * itemList.txt (Input)
 * CartSummary.txt (Output)
 *
 */
package P2;

import java.util.*;
import java.io.*;
import javax.swing.*;
import java.lang.*;

public class GoShopping {

    public static void main(String[] args) throws Exception {

       // Item item = new Item();
        ShoppingCart cart = new ShoppingCart();
          Scanner input = null;
        final String INPUT_FILE = "StoreItemsList.txt";
        File inputFile = new File(INPUT_FILE);

        if (!inputFile.exists()) {
            JOptionPane.showMessageDialog(null,
                    "File '" + INPUT_FILE + "' not found. \nClick OK to end program.",
                    "File Not Found Error", JOptionPane.ERROR_MESSAGE);
            System.out.println("File '" + INPUT_FILE + "' not found.");
            System.exit(0);
        }
        Scanner scanner = new Scanner(System.in);

       // Scanner input = new Scanner(inputFile).useDelimiter("\\-");

        System.out.println("Hello! Please choose an option from the menu.\n");
        boolean isFull = false;
        int choice = 5;
        int count = 0;
        String answer = "";

        while (choice > 0) {
            displayMenu();
            choice = scanner.nextInt();

            switch (choice) {
                case 1:
                      input = new Scanner(inputFile).useDelimiter("\\-");
                    while (input.hasNextLine() && !isFull) {

                        String line = input.nextLine();
                        //String word = input.next();
                        String[] lineItem = line.split("\\-");
                        //formatted the input file, don't need trim function
                        String itemCode = lineItem[0];
                        String strPrice = lineItem[1];
                        String itemName = lineItem[2];

                        System.out.print("Add item code " + lineItem[0] + ",\"" + lineItem[1] + "\"to your cart?\n"
                                + "Type \"Y\" for Yes or \"N\" for No.\n");

                        answer = scanner.next();
                        if (answer.equalsIgnoreCase("Y")) {
                            int itemQuantity = 1;
                            double itemPrice = Double.parseDouble(strPrice);
                                  Item item = new Item();
                            item.setItemCode(itemCode);
                            item.setItemPrice(itemPrice);
                            item.setItemName(itemName);
                            item.setItemQuant(itemQuantity);
                            
                            if(cart.addToCart(item)){
                            System.out.print("Item added to your cart.\n\n");
                            } else
                            {
                                  System.out.print("Too many items in your cart. Go to checkout or empty cart\n\n");
                            }
                        }
                        else{
                            System.out.print("No items added");


                        }
                       // break;
                    }
                    input.close();
                    break;
                case 2:
                   System.out.println(cart.toString());
                    break;
                case 3:
                    cart.EmptyCart();
                    break;
                case 4:
                    //don't know how to get these using an arraylist
//                    System.out.println("You have total of " + cart.getTotalNumber() + " purchases. ");
//                    System.out.println("Your total is : $" + cart.getTotalPrice());
                    break;
                case 5:
                    input.close();
                    System.out.println("Thank you! Come again!");
                    System.exit(1);
            }
        }
    }

    public static void displayMenu() {
        System.out.println("\n-----------------------------------------");
        System.out.println("Select an Option and enter your choice.");
        System.out.println("1) Add items to your cart.");
        System.out.println("2) Display the items in your cart and the\n"
                          +"   running total.");
        System.out.println("3) Empty your cart.");
        System.out.println("4) Checkout.");
        System.out.println("5) Quit");
        System.out.println("-----------------------------------------");
        System.out.print("Enter a number (1 through 5) as your choice: ");
    }
}

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package P2;

import java.util.ArrayList;
import java.util.Scanner;

public class ShoppingCart {

    private ArrayList cart;
    private String MyCart;
    //private int capacity;
    private int currentNumberOfItems;
    //int usedCapacity;
    double totalPrice;

    public ShoppingCart() {
        cart = new ArrayList();
        MyCart = "My Selected Items";
        totalPrice = 0.00;
        currentNumberOfItems = 0;

    }

    public boolean addToCart(Item newItem) {
        if (!cart.add(newItem)) {
            return false;
        }
        currentNumberOfItems++;
        return true;
    }
    public void EmptyCart() {
        currentNumberOfItems = 0;
        cart.clear();
    }
    public double getItemTotal(double totalPrice) {
        //Item item = new Item();
        this.totalPrice = totalPrice;
        return totalPrice;
    }

//    public double getTotalPrice(){
//        double sum = 0.0;
//        for(int j=0; j<currentNumberOfItems; j++){
//            sum += cart[j].getItemPrice()*cart[j].getItemQuant();
//
//        }
//        return sum;
//    }
//
//    public int getTotalNumber(){
//        int totNum = 0;
//         for(int j=0; j<currentNumberOfItems; j++){
//            totNum += cart[j].getItemQuant();
//
//        }
//
//        return totNum;
//    }


    @Override
    public String toString(){
        String s =  "Item\t\t\tCode\t\tQuantity\t\tPrice"+
                "\n";
          for(int j=0; j<currentNumberOfItems; j++){
              s += cart.get(j);
          }
        return  s;
    }
}

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package P2;

public class Item {
    private String itemName;
    private String itemCode;
    private int itemQuant;
    private double itemPrice;
    private int itemCapacity;



    //default constructor
    public Item(){
        itemName = null;
        itemQuant = 0;
        itemPrice = 0.00;
        itemCode = null;
        itemCapacity = 0;

    }
    //contructor with parameters
    public Item(String code,double price,String name,int quantity ){
        this.itemCode = code;
        this.itemPrice = price;
        this.itemName = name;
        this.itemQuant = quantity;

    }
    public Item(int itemCapacity){
        this.itemCapacity = itemCapacity;
    }

    //accessor methods
    public String getItemName(){
        return itemName;
    }

    public int getItemQuant(){
        return itemQuant;
    }

    public double getItemPrice(){
        return itemPrice;
    }

    public String getItemCode(){
        return itemCode;
    }

    public int getSize(){
        return itemCapacity;
    }
    //mutator methods
    public void setItemName(String name){
        this.itemName = name;
    }

    public void setItemQuant(int quant){
        this.itemQuant = quant;
    }

    public void setItemPrice(double price){
        this.itemPrice = price;
    }

    public void setItemCode(String code){
        this.itemCode = code;
    }

    //other methods
    @Override
    public String toString(){
        return
                getItemCode()+"\t"+
                getItemPrice()+"\t"+
                getItemName()+"\t"+
                getItemQuant()+"\n";


    }
}

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public static void getPrice(){
        String price = null;
        Item b = new Item();
        ShoppingCart c = new ShoppingCart();
        Scanner input = new Scanner(c.toString()).useDelimiter("\\t");
        while (input.hasNextLine()){
            String line = input.next();
            String[] thisPrice = line.split("\\t", 1);
            price = thisPrice[0];
        }
        System.out.print(price);
    }

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case 2:
                    System.out.println(cart.totalPrice);
                    break;

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