Add files via upload

Session10/FileHandlingGameApp/bin/lk/ac/pdn/data.txt

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+0/The Last of Us/9.8/In a hostile, post-pandemic world, Joel and Ellie, brought together by desperate circumstances, must rely on each other to survive a brutal journey across what remains of the United States.
+1/The Witcher 3 Wild Hunt/9.8/Geralt of Rivia, a monster hunter for hire, embarks on an epic journey to find his former apprentice, Ciri, before The Wild Hunt can capture her and bring about the destruction of the world.
+2/Grand Theft Auto V/9.6/Three very different criminals team up for a series of heists in the corrupt city of Los Santos.
+3/Uncharted 4 A Thief's End/9.6/Thrown back into the dangerous underworld he'd tried to leave behind, Nathan Drake must decide what he's willing to sacrifice to save the ones he loves.
+4/Mass Effect 2/9.6/After being revived from death and having to join a pro-human organization without a choice, Commander Shepard must assemble a team, battle a new threat, and make tough choices in order to save the galaxy from total annihilation once more.

Session10/FileHandlingGameApp/src/lk/ac/pdn/Game.java

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+package lk.ac.pdn;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+
+public class Game
+{
+    private int id;
+
+    public String getName()
+    {
+        return name;
+    }
+
+    private String name;
+    private double rating;
+    private String description;
+
+    public Game(int id, String name, double rating, String description)
+    {
+        this.id = id;
+        this.name = name;
+        this.rating = rating;
+        this.description = description;
+    }
+
+    public void display()
+    {
+        System.out.println("Game " + id + ":");
+        System.out.println("Name: " + this.name);
+        System.out.println("Rating: " + this.rating);
+        System.out.println("Description: " + this.description);
+        System.out.println("\n\n");
+    }
+
+    public void writeToFile()
+    {
+        File file = new File("C:\\Users\\Pramuka Weerasinghe\\eclipse-workspace\\FileHandlingGameApp" + this.name + ".txt");
+        try
+        {
+            file.createNewFile();
+            BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(file));
+            bufferedWriter.write(this.name + "\n");
+            bufferedWriter.write(this.rating + "\n");
+            bufferedWriter.write(this.description + "\n");
+            bufferedWriter.flush();
+            bufferedWriter.close();
+        }
+        catch (IOException ex)
+        {
+            System.out.println(ex);
+        }
+    }
+}

Session10/FileHandlingGameApp/src/lk/ac/pdn/Main.java

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+package lk.ac.pdn;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.Scanner;
+import java.util.StringTokenizer;
+
+public class Main
+{
+
+
+    public static void main(String[] args)
+    {
+        Game[] games = new Game[10];
+
+        displayMenu(games);
+    }
+
+    public static void read_file(Game[] games)
+    {
+        Game game = null;
+        int counter = 0;
+        try
+        {
+            BufferedReader bufferedReader = new BufferedReader(new FileReader("D:\\Final Year\\Lab sheets review Java\\lastyearsession10\\lab9_file_handling\\data.txt"));
+
+            while (true)
+            {
+                String line = bufferedReader.readLine();
+                if (line == null)
+                {
+                    bufferedReader.close();
+                    break;
+                }
+                games[counter++] = createGame(line);
+            }
+        }
+        catch (IOException ex)
+        {
+            System.out.println(ex);
+        }
+    }
+
+    private static Game createGame(String line)
+    {
+        StringTokenizer stringTokenizer = new StringTokenizer(line, "/");
+        int id = Integer.parseInt(stringTokenizer.nextToken());
+        String name = stringTokenizer.nextToken();
+        double rating = Double.parseDouble(stringTokenizer.nextToken());
+        String description = stringTokenizer.nextToken();
+
+        return new Game(id, name, rating, description);
+    }
+
+    private static void displayGames(Game[] games)
+    {
+        for(Game game: games)
+        {
+            if (game != null)
+            {
+                game.display();
+            }
+            else
+            {
+                break;
+            }
+        }
+    }
+
+    private static void displayMenu(Game[] games)
+    {
+        int choice = 0;
+        Scanner scanner = new Scanner(System.in);
+
+        while (choice != -1)
+        {
+            System.out.println("Game Manager");
+            System.out.println("\n1. Load games.");
+            System.out.println("2. Display all games.");
+            System.out.println("3. Search for game.");
+            System.out.println("4. Exit.");
+
+            System.out.println("\nEnter your choice: ");
+
+            choice = scanner.nextInt();
+
+            switch (choice)
+            {
+                case 1:
+                    read_file(games);
+                    System.out.println("Games loaded successfully.\n\n");
+                    break;
+                case 2:
+                    displayGames(games);
+                    break;
+                case 3:
+                    search(games);
+                    break;
+                case 4:
+                    choice = -1;
+                    System.out.println("Thank you for using Game Manager.");
+                    break;
+                default:
+                    System.out.println("\n\n Invalid Choice \n\n");
+                    break;
+            }
+        }
+    }
+
+    private static void search(Game[] games)
+    {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.println("Enter name of game to search for: ");
+        String searchGame = scanner.nextLine();
+        int choice;
+
+        for (Game game: games)
+        {
+            if (game != null)
+            {
+                if (searchGame.equalsIgnoreCase(game.getName()))
+                {
+                    game.display();
+                    while (true)
+                    {
+                        System.out.println("1. Write game to file.");
+                        System.out.println("2. Go back to main menu.");
+                        System.out.println("Enter choice: ");
+                        choice = scanner.nextInt();
+
+                        if (choice == 1)
+                        {
+                            game.writeToFile();
+                            System.out.println("Game written to file.");
+                            return;
+                        }
+                        else if (choice == 2)
+                        {
+                            return;
+                        }
+                        else
+                        {
+                            System.out.println("Invalid choice.");
+                        }
+                    }
+                }
+            }
+        }
+        System.out.println("Game not found.");
+    }
+}

Session10/FileHandlingGameApp/src/lk/ac/pdn/data.txt

@@ -0,0 +1,5 @@
+0/The Last of Us/9.8/In a hostile, post-pandemic world, Joel and Ellie, brought together by desperate circumstances, must rely on each other to survive a brutal journey across what remains of the United States.
+1/The Witcher 3 Wild Hunt/9.8/Geralt of Rivia, a monster hunter for hire, embarks on an epic journey to find his former apprentice, Ciri, before The Wild Hunt can capture her and bring about the destruction of the world.
+2/Grand Theft Auto V/9.6/Three very different criminals team up for a series of heists in the corrupt city of Los Santos.
+3/Uncharted 4 A Thief's End/9.6/Thrown back into the dangerous underworld he'd tried to leave behind, Nathan Drake must decide what he's willing to sacrifice to save the ones he loves.
+4/Mass Effect 2/9.6/After being revived from death and having to join a pro-human organization without a choice, Commander Shepard must assemble a team, battle a new threat, and make tough choices in order to save the galaxy from total annihilation once more.