Main.java

import com.sun.org.apache.xerces.internal.impl.xpath.regex.Match;

import java.io.File;
import java.io.IOException;
import java.nio.file.LinkPermission;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {


    public String readRawDataToString(){
        ClassLoader classLoader = getClass().getClassLoader();
        File file = new File(classLoader.getResource("RawData.txt").getFile());
        StringBuilder result = new StringBuilder("");

        try(Scanner scanner = new Scanner(file)){
            while(scanner.hasNextLine()){
                String line = scanner.nextLine();
                result.append(line).append("\n");
            }

        }catch (IOException e){
            e.printStackTrace();
        }
        return result.toString();

    }
    public String findAlphabetCharacters() {
        String result = "";
        String jerkTest = readRawDataToString();
        Pattern pattern = Pattern.compile("[A-Z]", Pattern.CASE_INSENSITIVE);
        Matcher matcher = pattern.matcher(jerkTest);
        String horation = "";
        while (matcher.find()) {
            horation = matcher.group();
            result += horation;
        }

        return result;
    }

    public String nameChange(String input){
        try{
            Pattern pattern = Pattern.compile("name", Pattern.CASE_INSENSITIVE);
            Matcher matcher = pattern.matcher(input);
            String nameString = matcher.replaceAll("Name");
            return nameString;
        }catch (Exception e){
            throw new UnsupportedOperationException();
        }
    }
    public String changeMilk(String input){
        try{
            Pattern pattern = Pattern.compile("milk", Pattern.CASE_INSENSITIVE);
            Matcher matcher = pattern.matcher(input);
            String milk = matcher.replaceAll("Milk");
            return milk;
        }catch (Exception e){
            throw new UnsupportedOperationException();
        }
    }

    public String priceChange(String input){
        try{
            Pattern pattern = Pattern.compile("price", Pattern.CASE_INSENSITIVE);
            Matcher matcher = pattern.matcher(input);
            String priceString = matcher.replaceAll("Price");
            return priceString;
        }catch (Exception e){
            throw new UnsupportedOperationException();
        }
        }
    public String changeApples(String input){
        try{
            Pattern pattern = Pattern.compile("apples", Pattern.CASE_INSENSITIVE);
            Matcher matcher = pattern.matcher(input);
            String apples = matcher.replaceAll("Apples");
            return apples;
        }catch (Exception e){
            throw new UnsupportedOperationException();
        }
    }
    public String changeBread(String input){
        try{
            Pattern pattern = Pattern.compile("Bread", Pattern.CASE_INSENSITIVE);
            Matcher matcher = pattern.matcher(input);
            String bread = matcher.replaceAll("Bread");
            return bread;
        }catch (Exception e){
            throw new UnsupportedOperationException();
        }
    }
    public String changeCookies(String input){
        try{
            Pattern pattern = Pattern.compile("c[o0][o0]kies", Pattern.CASE_INSENSITIVE);
            Matcher matcher = pattern.matcher(input);
            String cookies = matcher.replaceAll("Cookies");
            return cookies;
        }catch (Exception e){
            throw new UnsupportedOperationException();
        }
    }
    public static void main(String[] args) {
        String output = (new Main()).readRawDataToString();
        System.out.println(output);

    }
    public int countMilk(){
        List<Integer> index = new ArrayList<>();
        String jerk = readRawDataToString();
        Pattern pattern = Pattern.compile("milk", Pattern.CASE_INSENSITIVE);
        Matcher matcher = pattern.matcher(jerk);

        for (int i = 0; matcher.find(); i++) {
            index.add(matcher.start());
        }
        return index.size();

    }
    public String listEm(String input) {
        try {
            Pattern pattern = Pattern.compile("##");
            Matcher matcher = pattern.matcher(input);
            String result = matcher.replaceAll("\n");
            return result;
        }catch (Exception e){
            throw new UnsupportedOperationException();
        }
    }

  public String correctSeparator(){
    try{
        String jerk = readRawDataToString();
        Pattern pattern = Pattern.compile("[!@^%*]");
        Matcher matcher = pattern.matcher(jerk);
        String result = matcher.replaceAll(";");
        return result;
    }catch (Exception e){
        throw new UnsupportedOperationException();
    }
    }
    public int findGroceries(String input) {
        Integer holdingVal = 0;
        Boolean checkVal = false;
        Pattern pattern = Pattern.compile(input, Pattern.CASE_INSENSITIVE);
        Matcher matcher = pattern.matcher(readyForFormatting());
        while (!checkVal) {
            if(!matcher.find()){
            checkVal = true;
            continue;
        }
        holdingVal++;
    }
        return holdingVal;
    }

    public String formatting(){
        String result =
        "name:      Milk        seen: " + findGroceries("milk") + " times\n" +
                "=============        =============\n" +
                "Price:   3.23        seen: " + findGroceries("milk;price:3.23") + " times\n" +
                "-------------        --------------\n" +
                "Price:   1.23        seen: " + findGroceries("milk;price:1.23") + " times\n\n" +

                "name:    Bread       seen: " + findGroceries("bread") + " times\n" +
                "==============       ==============\n" +
                "Price:   1.23        seen: " + findGroceries("bread") + " times\n\n" +
                "--------------       ---------------\n" +

                "name:   Cookies      seen: " + findGroceries("cookies") + " times\n" +
                "===============      ===============\n" +
                "Price:   2.25        seen: " + findGroceries("cookies") + " times\n" +
                "---------------      ---------------\n" +

                "name:    Apples      seen: " + findGroceries("apples") + " times\n" +
                "===============      ===============\n" +
                "Price:    0.25       seen: " + findGroceries("price:0.25") + " times\n" +
                "---------------      ---------------\n" +
                "Price:    0.23       seen: " + findGroceries("price:0.23") + " times\n\n" +

                "Errors               seen: " + countingErrors() + " times";
                return result;
    }


    public int countingErrors(){
        int counter = 0;
        counter += findGroceries("Name:;");
        counter += findGroceries("milk") - (findGroceries("milk;price:3.23") + findGroceries("milk;price:1.23"));
        return counter;
    }

    public String readyForFormatting(){
        String result = listEm(correctSeparator());
        String result1 = changeApples(result);
        String result2 = changeBread(result1);
        String result3 = changeCookies(result2);
        String result4 = changeMilk(result3);
        String result5 = nameChange(result4);
        String result6 = priceChange(result5);
        return result6;

    }
}