Java mooc / Part 7 Recipe Search exercise

error.txt

Expected the output to contain the string Pancake dough, cooking time: 15.
When the contents of the file are: Pancake dough 15 milk Meatballs 10 ground meat
Test the program with the commands: test-758359 list stop . 

Recipe.java

import java.util.ArrayList;
import java.util.List;

public class Recipe {
    private String name;
    private int time;
    private List<String> ingr;
    
    public Recipe(String name, int time, List<String> ingr) {
        this.name = name;
        this.time = time;
        this.ingr = ingr;
    }
    
    public String getName() {
        return this.name;
    }
    public int getTime() {
        return this.time;
    }
    public List<String> getIngr() {
        return this.ingr;
    }
    
    public void setName(String name) {
        this.name = name;
    }
    public void setTime(int time) {
        this.time = time;
    }
    public void setIngr(ArrayList<String> ingr) {
        this.ingr = ingr;
    }
    
    @Override
    public String toString() {
        return this.name + ", cooking time: " + this.time;
    }
}

recipes.txt

Pancake dough
60
milk
egg
flour
salt
butter

Meatballs
20
ground meat
egg
breadcrumbs

Tofu rolls
30
tofu
rice
water
carrot
cucumber
avocado
wasabi

RecipeSearch.java

import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class RecipeSearch {

    public static void main(String[] args) {
        
        ArrayList<String> recipes = new ArrayList<>(); // ALL recipes in recipe.txt
        ArrayList<Recipe> recipesO = new ArrayList<>(); // recipes splitted & grouped in objects
        ArrayList<Integer> indices = new ArrayList<>(); // cooking times in all recipes list 
        List<String> ingr; // ingredients separated by recipe
        
        // create recipes - all lines together
        try (Scanner scanner = new Scanner(Paths.get("recipes.txt"))) {
            while (scanner.hasNextLine()) {
                String row = scanner.nextLine();
                if (row.isEmpty()) {
                    continue;
                }
                recipes.add(row);
            }
        }
        catch (Exception e) {
            System.out.println("An error occured..");
        }
        
        // find cooking times (integers) in file
        for (String r: recipes) {
            if (isInteger(r)) {
                indices.add(recipes.indexOf(r));
            }
        }
        
        // split and group recipes
        for (int i = 0; i < indices.size() - 1; i++) {
            
            int time = Integer.valueOf(recipes.get(indices.get(i)));
            String name = recipes.get(indices.get(i) - 1);
        
            recipesO.add(new Recipe(name, time, recipes.subList(indices.get(i) + 1, indices.get(i + 1) - 1)));
        }
        
        int j = indices.size() - 1;
        int time = Integer.valueOf(recipes.get(indices.get(j)));
        String name = recipes.get(indices.get(j) - 1);
        
        recipesO.add(new Recipe(name, time, recipes.subList(indices.get(j) + 1, recipes.size())));
        
        /* for (Recipe r: recipesO) {
            System.out.println(r);
            System.out.println(r.getIngr());
            
        } */
        
        System.out.println("File to read: recipes.txt");
        System.out.println("");
        System.out.println("Commands:");
        System.out.println("list - lists the recipes");
        System.out.println("stop - stops the program");
        System.out.println("find name - searches recipes by name");
        System.out.println("find cooking time - searches recipes by cooking time");
        System.out.println("find ingredient - searches recipes by ingredient");
        System.out.println("");
        
        // accept command from user and execute command
        Scanner user = new Scanner(System.in);
        while (true) {
            System.out.print("Enter command: ");
            String command = user.nextLine();
            
            // command "stop" implementation 
            if (command.equals("stop")) {
                break;
            }
            
            // command "list" implementation
            if (command.equals("list")) {
                System.out.println("");
                System.out.println("Recipes:");
                for (Recipe r: recipesO) {
                    System.out.println(r);
                }
                System.out.println("");
            }
            // command "find name" implementation
            if (command.equals("find name")) {
                System.out.print("Searched word: ");
                String search = user.nextLine();
                System.out.println("");
                System.out.println("Recipes:");
                for (Recipe r: recipesO) {
                    if (r.getName().contains(search)) {
                        System.out.println(r);
                    }
                }
                System.out.println("");
            }

            // command "find cooking time" implementation
            if (command.equals("find cooking time")) {
                System.out.print("Max cooking time: ");
                int maxTime = Integer.valueOf(user.nextLine());
                System.out.println("");
                System.out.println("Recipes:");
                for (Recipe r: recipesO) {
                    if (r.getTime() <= maxTime) {
                        System.out.println(r);
                    }
                }
                System.out.println("");
            }
            
            // command "find ingredient" implementation
            if (command.equals("find ingredient")) {
                System.out.print("Ingredient: ");
                String ingredient = user.nextLine();
                System.out.println("");
                System.out.println("Recipes:");
                for (Recipe r: recipesO) {
                    if (r.getIngr().contains(ingredient)) {
                        System.out.println(r);
                    }
                }
                System.out.println("");
            }
        }
    }
        
        public static boolean isInteger(String s) {
        try {
            Integer.parseInt(s);
            return true;
        }
        catch (Exception e) {
            return false;
        }
    }
}

nice code