NbtUtils.java 文件源码

/** Returns the primitive value of a tag, casted to the return type. */
public static <T> T getTagValue(NBTBase tag) {
    if (tag == null)
        throw new IllegalArgumentException("tag is null");
    if (tag instanceof NBTTagByte)      return (T)(Object)((NBTTagByte)tag).func_150290_f();
    if (tag instanceof NBTTagShort)     return (T)(Object)((NBTTagShort)tag).func_150289_e();
    if (tag instanceof NBTTagInt)       return (T)(Object)((NBTTagInt)tag).func_150287_d();
    if (tag instanceof NBTTagLong)      return (T)(Object)((NBTTagLong)tag).func_150291_c();
    if (tag instanceof NBTTagFloat)     return (T)(Object)((NBTTagFloat)tag).func_150288_h();
    if (tag instanceof NBTTagDouble)    return (T)(Object)((NBTTagDouble)tag).func_150286_g();
    if (tag instanceof NBTTagString)    return (T)((NBTTagString)tag).func_150285_a_();
    if (tag instanceof NBTTagByteArray) return (T)((NBTTagByteArray)tag).func_150292_c();
    if (tag instanceof NBTTagIntArray)  return (T)((NBTTagIntArray)tag).func_150302_c();
    throw new IllegalArgumentException(NBTBase.NBTTypes[tag.getId()] + " isn't a primitive NBT tag");
}