ConfigValue.java

package mezz.jei.core.config.file;

import mezz.jei.core.config.file.serializers.DeserializeResult;
import mezz.jei.core.config.file.serializers.IConfigValueSerializer;
import org.jetbrains.annotations.Nullable;

import java.util.List;

public class ConfigValue<T> {
	private final String name;
	private final String description;
	private final T defaultValue;
	private final IConfigValueSerializer<T> serializer;
	private volatile T currentValue;
	@Nullable
	private Runnable loadCallback;

	public ConfigValue(String name, T defaultValue, IConfigValueSerializer<T> serializer, String description) {
		this.name = name;
		this.description = description;
		this.defaultValue = defaultValue;
		this.currentValue = defaultValue;
		this.serializer = serializer;
	}

	public void setLoadCallback(Runnable loadCallback) {
		this.loadCallback = loadCallback;
	}

	public String getName() {
		return name;
	}

	public String getDescription() {
		return description;
	}

	public T getDefaultValue() {
		return defaultValue;
	}

	public T getValue() {
		if (loadCallback != null) {
			loadCallback.run();
		}
		return currentValue;
	}

	public IConfigValueSerializer<T> getSerializer() {
		return serializer;
	}

	public List<String> setFromSerializedValue(String value) {
		DeserializeResult<T> deserializeResult = serializer.deserialize(value);
		T result = deserializeResult.getResult();
		if (result != null) {
			currentValue = result;
		}
		return deserializeResult.getErrors();
	}
}