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package io.polyfrost.oneconfig.config.interfaces;
import com.google.gson.*;
import io.polyfrost.oneconfig.config.annotations.*;
import io.polyfrost.oneconfig.config.core.ConfigCore;
import io.polyfrost.oneconfig.config.data.ModData;
import io.polyfrost.oneconfig.gui.elements.config.*;
import java.io.*;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Map;
public class Config {
private final File configFile;
private final Gson gson = new GsonBuilder().excludeFieldsWithModifiers(Modifier.TRANSIENT).setPrettyPrinting()
.registerTypeAdapterFactory(OneConfigTypeAdapterFactory.getStaticTypeAdapterFactory()).create();
/**
* @param modData information about the mod
* @param configFile file where config is stored
*/
public Config(ModData modData, File configFile) {
this.configFile = configFile;
if (configFile.exists())
load();
else
save();
modData.config = this;
ConfigCore.settings.put(modData, generateOptionList(this.getClass()));
}
/**
* Save current config to file
*/
public void save() {
try (BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(configFile), StandardCharsets.UTF_8))) {
writer.write(gson.toJson(this.getClass()));
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Load file and overwrite current values
*/
public void load() {
try (BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(configFile), StandardCharsets.UTF_8))) {
deserializePart(new JsonParser().parse(reader).getAsJsonObject(), this.getClass());
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Generate the option list for internal use only
*
* @param clazz target class
* @return list of options
*/
private ArrayList<Option> generateOptionList(Class<?> clazz) {
ArrayList<Option> options = new ArrayList<>();
for (Class<?> innerClass : clazz.getClasses()) {
if (innerClass.isAnnotationPresent(Category.class)) {
Category category = innerClass.getAnnotation(Category.class);
options.add(new OConfigCategory(category.name(), category.description(), generateOptionList(innerClass)));
}
}
for (Field field : clazz.getFields()) {
if (field.isAnnotationPresent(Button.class)) {
Button button = field.getAnnotation(Button.class);
options.add(new OConfigButton(field, button.name(), button.description(), button.text()));
} else if (field.isAnnotationPresent(ColorPicker.class)) {
ColorPicker colorPicker = field.getAnnotation(ColorPicker.class);
options.add(new OConfigColor(field, colorPicker.name(), colorPicker.description(), colorPicker.allowAlpha()));
} else if (field.isAnnotationPresent(Selector.class)) {
Selector selector = field.getAnnotation(Selector.class);
options.add(new OConfigSelector(field, selector.name(), selector.description(), selector.options(), selector.defaultSelection()));
} else if (field.isAnnotationPresent(Slider.class)) {
Slider slider = field.getAnnotation(Slider.class);
options.add(new OConfigSlider(field, slider.name(), slider.description(), slider.min(), slider.max(), slider.precision()));
} else if (field.isAnnotationPresent(Switch.class)) {
Switch aSwitch = field.getAnnotation(Switch.class);
options.add(new OConfigSwitch(field, aSwitch.name(), aSwitch.description()));
} else if (field.isAnnotationPresent(TextField.class)) {
TextField textField = field.getAnnotation(TextField.class);
options.add(new OConfigText(field, textField.name(), textField.description(), textField.placeholder(), textField.hideText()));
} else loadCustomType(field);
}
return options;
}
/**
* Overwrite this method to add your own custom option types
*
* @param field target field
*/
protected void loadCustomType(Field field) {
}
/**
* Deserialize part of config and load values
*
* @param json json to deserialize
* @param clazz target class
*/
private void deserializePart(JsonObject json, Class<?> clazz) {
for (Map.Entry<String, JsonElement> element : json.entrySet()) {
String name = element.getKey();
JsonElement value = element.getValue();
if (value.isJsonObject()) {
for (Class<?> innerClass : clazz.getClasses()) {
if (innerClass.getSimpleName().equals(name)) {
deserializePart(value.getAsJsonObject(), innerClass);
break;
}
}
} else {
try {
Field field = clazz.getField(name);
TypeAdapter<?> adapter = gson.getAdapter(field.getType());
Object object = adapter.fromJsonTree(value);
field.setAccessible(true);
field.set(null, object);
} catch (NoSuchFieldException | IllegalAccessException e) {
e.printStackTrace();
}
}
}
}
}
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