Property gist

Property.java

package xyz.openmodloader.api.flow.data;

import net.minecraft.nbt.NBTBase;
import net.minecraft.nbt.NBTTagCompound;
import xyz.openmodloader.OpenModLoader;
import xyz.openmodloader.nbt.NBTCompatible;
import xyz.openmodloader.nbt.NBTHelper;

/**
 * @author Caellian
 *         Created on 17.7.2016. at 20:44.
 */
public class Property<T extends NBTBase> implements NBTCompatible<NBTTagCompound>, Comparable<Property<T>> {
    protected String id;
    protected T data;

    public Property(String id, T data){
        if (NBTHelper.isNBTCompatible(data)){
            OpenModLoader.getLogger().error("Type of '" + id + "' property isn't supported by NBT format!");
        }
        this.id = id;
        this.data = data;
    }

    public String getID() {
        return id;
    }

    public T get() {
        return data;
    }

    public T set(T newData){
        T old = this.data;
        this.data = newData;
        return old != null && old != newData ? old : newData;
    }

    @Override
    public int compareTo(Property<T> o) {
        if (o == null) {
            return 1;
        }
        return this.getID().compareTo(o.getID());
    }

    @Override
    public void modifyFromNBT(NBTTagCompound in) {
        if (in == null || !in.hasKey("id") || !in.hasKey("data")) {
            return;
        }
        try {
            //noinspection unchecked
            this.id = in.getString("id");
            this.data = (T) NBTHelper.unwrapNBT(in.getTag("data"));
        } catch (ClassCastException cce){
            OpenModLoader.getLogger().warn("Unable to cast data object to property type. Returning null!");
        }
    }

    public NBTTagCompound toNBT() {
        NBTTagCompound result = new NBTTagCompound();
        result.setString("id", id);
        result.setTag("data", data);
        return result;
    }

    @Override
    public String toString() {
        return "{id:" + id + ",data:" + data.toString() +"}";
    }
}