save and read scores to file

3 files changed, 35 insertions, 5 deletions

diff --git a/src/se/liu/gusso230/tetris/Board.java b/src/se/liu/gusso230/tetris/Board.java
index aa3a424..bb84d2a 100644
--- a/src/se/liu/gusso230/tetris/Board.java
+++ b/src/se/liu/gusso230/tetris/Board.java
@@ -1,6 +1,9 @@
 package se.liu.gusso230.tetris;
 
+import com.google.gson.Gson;
+
 import javax.swing.*;
+import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
@@ -24,6 +27,7 @@ public class Board {
     private int points = 0;
 
     private HighscoreList highscores;
+    private File highscoreFile;
 
     private List<BoardListener> boardListeners;
 
@@ -41,9 +45,11 @@ public class Board {
         boardListeners = new ArrayList<>();
         tetrominoMaker = new TetrominoMaker();
         this.highscores = highscores;
-        highscores.addHighscore(new Highscore("a", 100));
-        highscores.addHighscore(new Highscore("c", 300));
-        highscores.addHighscore(new Highscore("b", 200));
+        highscoreFile = new File("highscores.json");
+        highscores.readFromFile(highscoreFile);
+        // highscores.addHighscore(new Highscore("a", 100));
+        // highscores.addHighscore(new Highscore("c", 300));
+        // highscores.addHighscore(new Highscore("b", 200));
     }
 
     public void tick() {
@@ -60,8 +66,10 @@ public class Board {
 
     private void gameOver() {
         state = GameState.GAME_OVER;
-        highscores.addHighscore(new Highscore(JOptionPane.showInputDialog("Your name: "), points));
+        //highscores.addHighscore(new Highscore(JOptionPane.showInputDialog("Your name: "), points));
+        highscores.addHighscore(new Highscore("woo", points));
         highscores.sort(new HighscoreComparator());
+        highscores.saveToFile(highscoreFile);
         state = GameState.SHOWING_HIGHSCORES;
     }
 
diff --git a/src/se/liu/gusso230/tetris/Highscore.java b/src/se/liu/gusso230/tetris/Highscore.java
index d72c9c5..83d697b 100644
--- a/src/se/liu/gusso230/tetris/Highscore.java
+++ b/src/se/liu/gusso230/tetris/Highscore.java
@@ -4,6 +4,8 @@ public class Highscore {
     String name;
     int points;
 
+    public Highscore() {}
+
     public Highscore(final String name, final int points) {
         this.name = name;
         this.points = points;
diff --git a/src/se/liu/gusso230/tetris/HighscoreList.java b/src/se/liu/gusso230/tetris/HighscoreList.java
index 6bd656c..0a99db0 100644
--- a/src/se/liu/gusso230/tetris/HighscoreList.java
+++ b/src/se/liu/gusso230/tetris/HighscoreList.java
@@ -1,11 +1,17 @@
 package se.liu.gusso230.tetris;
 
+import com.google.gson.Gson;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.List;
+import java.util.Scanner;
 
 public class HighscoreList {
-    List<Highscore> highscores;
+    private List<Highscore> highscores;
 
     public HighscoreList() {
         highscores = new ArrayList<>();
@@ -15,6 +21,20 @@ public class HighscoreList {
         highscores.add(highscore);
     }
 
+    public void saveToFile(File file) {
+        try (PrintWriter writer = new PrintWriter(file)) {
+            Gson gson = new Gson();
+            writer.println(gson.toJson(this));
+        } catch (FileNotFoundException ignored) {}
+    }
+
+    public void readFromFile(File file) {
+        try (Scanner sc = new Scanner(file)) {
+            Gson gson = new Gson();
+            highscores = gson.fromJson(sc.nextLine(), getClass()).getHighscores();
+        } catch (FileNotFoundException ignored) {}
+    }
+
     public List<Highscore> getHighscores() {
         return highscores;
     }