equivalent-exchange-3/src/main/java/com/pahimar/ee3/core/helper/ItemStackNBTHelper.java

package com.pahimar.ee3.core.helper;

import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;

/**
 * Equivalent-Exchange-3
 * 
 * NBTHelper
 * 
 * @author pahimar
 * @license Lesser GNU Public License v3 (http://www.gnu.org/licenses/lgpl.html)
 * 
 */
public class ItemStackNBTHelper {

    /**
     * Initializes the NBT Tag Compound for the given ItemStack if it is null
     * 
     * @param itemStack
     *            The ItemStack for which its NBT Tag Compound is being checked
     *            for initialization
     */
    private static void initNBTTagCompound(ItemStack itemStack) {

        if (itemStack.stackTagCompound == null) {
            itemStack.setTagCompound(new NBTTagCompound());
        }
    }

    public static boolean hasTag(ItemStack itemStack, String keyName) {

        if (itemStack.stackTagCompound != null)
            return itemStack.stackTagCompound.hasKey(keyName);

        return false;
    }

    public static void removeTag(ItemStack itemStack, String keyName) {

        if (itemStack.stackTagCompound != null) {
            itemStack.stackTagCompound.removeTag(keyName);
        }
    }

    // String
    public static String getString(ItemStack itemStack, String keyName) {

        initNBTTagCompound(itemStack);

        if (!itemStack.stackTagCompound.hasKey(keyName)) {
            setString(itemStack, keyName, "");
        }

        return itemStack.stackTagCompound.getString(keyName);
    }

    public static void setString(ItemStack itemStack, String keyName, String keyValue) {

        initNBTTagCompound(itemStack);

        itemStack.stackTagCompound.setString(keyName, keyValue);
    }

    // boolean
    public static boolean getBoolean(ItemStack itemStack, String keyName) {

        initNBTTagCompound(itemStack);

        if (!itemStack.stackTagCompound.hasKey(keyName)) {
            setBoolean(itemStack, keyName, false);
        }

        return itemStack.stackTagCompound.getBoolean(keyName);
    }

    public static void setBoolean(ItemStack itemStack, String keyName, boolean keyValue) {

        initNBTTagCompound(itemStack);

        itemStack.stackTagCompound.setBoolean(keyName, keyValue);
    }

    // byte
    public static byte getByte(ItemStack itemStack, String keyName) {

        initNBTTagCompound(itemStack);

        if (!itemStack.stackTagCompound.hasKey(keyName)) {
            setByte(itemStack, keyName, (byte) 0);
        }

        return itemStack.stackTagCompound.getByte(keyName);
    }

    public static void setByte(ItemStack itemStack, String keyName, byte keyValue) {

        initNBTTagCompound(itemStack);

        itemStack.stackTagCompound.setByte(keyName, keyValue);
    }

    // short
    public static short getShort(ItemStack itemStack, String keyName) {

        initNBTTagCompound(itemStack);

        if (!itemStack.stackTagCompound.hasKey(keyName)) {
            setShort(itemStack, keyName, (short) 0);
        }

        return itemStack.stackTagCompound.getShort(keyName);
    }

    public static void setShort(ItemStack itemStack, String keyName, short keyValue) {

        initNBTTagCompound(itemStack);

        itemStack.stackTagCompound.setShort(keyName, keyValue);
    }

    // int
    public static int getInt(ItemStack itemStack, String keyName) {

        initNBTTagCompound(itemStack);

        if (!itemStack.stackTagCompound.hasKey(keyName)) {
            setInteger(itemStack, keyName, 0);
        }

        return itemStack.stackTagCompound.getInteger(keyName);
    }

    public static void setInteger(ItemStack itemStack, String keyName, int keyValue) {

        initNBTTagCompound(itemStack);

        itemStack.stackTagCompound.setInteger(keyName, keyValue);
    }

    // long
    public static long getLong(ItemStack itemStack, String keyName) {

        initNBTTagCompound(itemStack);

        if (!itemStack.stackTagCompound.hasKey(keyName)) {
            setLong(itemStack, keyName, 0);
        }

        return itemStack.stackTagCompound.getLong(keyName);
    }

    public static void setLong(ItemStack itemStack, String keyName, long keyValue) {

        initNBTTagCompound(itemStack);

        itemStack.stackTagCompound.setLong(keyName, keyValue);
    }

    // float
    public static float getFloat(ItemStack itemStack, String keyName) {

        initNBTTagCompound(itemStack);

        if (!itemStack.stackTagCompound.hasKey(keyName)) {
            setFloat(itemStack, keyName, 0);
        }

        return itemStack.stackTagCompound.getFloat(keyName);
    }

    public static void setFloat(ItemStack itemStack, String keyName, float keyValue) {

        initNBTTagCompound(itemStack);

        itemStack.stackTagCompound.setFloat(keyName, keyValue);
    }

    // double
    public static double getDouble(ItemStack itemStack, String keyName) {

        initNBTTagCompound(itemStack);

        if (!itemStack.stackTagCompound.hasKey(keyName)) {
            setDouble(itemStack, keyName, 0);
        }

        return itemStack.stackTagCompound.getDouble(keyName);
    }

    public static void setDouble(ItemStack itemStack, String keyName, double keyValue) {

        initNBTTagCompound(itemStack);

        itemStack.stackTagCompound.setDouble(keyName, keyValue);
    }

}