settings

framework/pom.xml

@@ -116,8 +116,14 @@
 			<artifactId>reflections</artifactId>
 			<version>0.10.2</version>
 		</dependency>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>2.10.1</version>
+            <scope>compile</scope>
+        </dependency>
 
-	</dependencies>
+    </dependencies>
 
 	<build>
 		<plugins>

framework/src/main/java/org/toop/framework/asset/resources/JsonAsset.java

@@ -0,0 +1,75 @@
+package org.toop.framework.asset.resources;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import org.toop.framework.asset.types.FileExtension;
+import org.toop.framework.asset.types.LoadableResource;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+
+@FileExtension({"json"})
+public class JsonAsset<T> extends BaseResource implements LoadableResource {
+
+    private T content;
+    private Class<T> type;
+    private final Gson gson = new GsonBuilder().setPrettyPrinting().create();
+
+    public JsonAsset(File file, Class<T> type) {
+        super(file);
+        this.type = type;
+    }
+
+    @Override
+    public void load() {
+        File file = getFile();
+        if (!file.exists()) {
+            try {
+                // make a new file with the declared constructor (example: settings) if it doesn't exist
+                content = type.getDeclaredConstructor().newInstance();
+                save();
+            } catch (Exception e) {
+                throw new RuntimeException("Could not make default JSON settings for" + file, e);
+            }
+        } else {
+            // else open the file, try reading it using gson, and set it to loaded
+            try (FileReader reader = new FileReader(file)) {
+                content = gson.fromJson(reader, type);
+                this.isLoaded = true;
+            } catch(Exception e) {
+                throw new RuntimeException("Failed to load JSON asset" + getFile(), e);
+            }
+        }
+    }
+
+    @Override
+    public void unload() {
+        this.content = null;
+        this.isLoaded = false;
+    }
+
+    public T getContent() {
+        if (!isLoaded()) {
+            load();
+        }
+        return content;
+    }
+
+    public void save() {
+        File file = getFile();
+        File parent = file.getParentFile();
+        if (parent != null && !parent.exists()) {
+            parent.mkdirs();
+        }
+        try (FileWriter writer = new FileWriter(file)) {
+                gson.toJson(content, writer);
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to save JSON asset" + getFile(), e);
+        }
+    }
+
+    @Override
+    public boolean isLoaded() {
+        return this.isLoaded;
+    }
+}

framework/src/main/java/org/toop/framework/asset/resources/SettingsAsset.java

@@ -0,0 +1,41 @@
+package org.toop.framework.asset.resources;
+
+
+import org.toop.framework.settings.Settings;
+
+import java.io.File;
+import java.util.Locale;
+
+public class SettingsAsset extends JsonAsset<Settings> {
+
+    public SettingsAsset(File file) {
+        super(file, Settings.class);
+    }
+
+    public int getVolume() {
+        return getContent().volume;
+    }
+
+    public Locale getLocale() {
+        return Locale.forLanguageTag(getContent().locale);
+    }
+
+    public boolean getFullscreen() {
+        return getContent().fullScreen;
+    }
+
+    public void setVolume(int volume) {
+        getContent().volume = volume;
+        save();
+    }
+
+    public void setLocale(String locale) {
+        getContent().locale = locale;
+        save();
+    }
+
+    public void setFullscreen(boolean fullscreen) {
+        getContent().fullScreen = fullscreen;
+        save();
+    }
+}

framework/src/main/java/org/toop/framework/settings/Settings.java

@@ -0,0 +1,9 @@
+package org.toop.framework.settings;
+
+import java.util.Locale;
+
+public class Settings {
+    public boolean fullScreen = false;
+    public String locale = Locale.getDefault().toLanguageTag();
+    public int volume = 100;
+}