Sauvegarde et lecture du fichier de synchronisation -> Méthodes save et load terminée

app/src/main/java/lightcontainer/storage/Adapter.java

@@ -2,15 +2,8 @@ package lightcontainer.storage;
 
 public interface Adapter {
 
-    /**
-     * @param appData The appData to stringify
-     * @return The string representation of AppData
-     */
-    String toString(AppData appData);
 
-    /**
+    String toString();
-     * @param appDataString The appData string to parse
+
-     * @return AppData
-     */
     AppData fromString(String appDataString);
 }

app/src/main/java/lightcontainer/storage/JsonAdapter.java

@@ -6,8 +6,14 @@ import java.util.*;
 
 public class JsonAdapter implements Adapter {
 
+    private AppData appData;
+
+    public JsonAdapter(AppData appData) {
+        this.appData = appData;
+    }
+
     @Override
-    public String toString(AppData appData) {
+    public String toString() {
         return addData(appData);
     }
 
@@ -81,7 +87,8 @@ public class JsonAdapter implements Adapter {
             for (User user : users) {
                 appData.addUser(user);
             }
-            return appData;
+            this.appData = appData;
+            return this.appData;
         } catch (JsonParseException parseException) {
             System.out.println("[FFE] : Error while loading configuration file"); //TODO - changer en log
         }

app/src/main/java/lightcontainer/storage/Repository.java

@@ -1,14 +1,44 @@
 package lightcontainer.storage;
 
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.nio.file.StandardOpenOption;
+
 public class Repository {
 
     //static final String CONFIG_FILE_PATH = "../../resources/config.json";
 
     void save(String filePath, Adapter adapter) {
-
+        if (filePath != null) {
+            String jsonAppData = adapter.toString();
+            try (BufferedWriter bufferedWriter = Files.newBufferedWriter(Paths.get(filePath), StandardCharsets.UTF_8, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) {
+                bufferedWriter.write(jsonAppData);
+                bufferedWriter.flush();
+            } catch (IOException e) {
+                System.out.println("Error while saving configuration file !");
+            }
+        }
     }
 
     AppData load(String filePath, Adapter adapter) {
-        return null;
+        String jsonString = readFile(filePath);
+        return adapter.fromString(jsonString);
+    }
+
+    private String readFile(String filePath) {
+        StringBuilder builder = new StringBuilder();
+        try (BufferedReader reader = Files.newBufferedReader(Paths.get(filePath), StandardCharsets.UTF_8)) {
+            while (reader.ready()) {
+                builder.append(reader.readLine());
+            }
+        } catch (IOException e) {
+            System.out.println("Error while reading configuration file");
+            builder.setLength(0);
+        }
+        return builder.toString();
     }
 }