import org.jnbt.ListTag; //导入依赖的package包/类
@SuppressWarnings("unchecked")
public static <T extends Tag> T getChild(ListTag list, final int index, Class<T> clazz)
{
	List<Tag> tags = list.getValue();
	if (index >= 0 && index < tags.size())
	{
		Tag t = tags.get(index);
		if (clazz.isInstance(t))
		{
			return (T)t;
		}
	}
	
	return null;
}
 

import org.jnbt.ListTag; //导入依赖的package包/类
private Object convertNBT(Tag tag) throws InstantiationException, IllegalAccessException, InvocationTargetException {
    if (tag instanceof CompoundTag) {
        return convertNBT((CompoundTag) tag);
    } else if (tag instanceof ListTag) {
        return convertNBT(((ListTag) tag));
    } else if (tag instanceof StringTag) {
        return convertNBT((StringTag) tag);
    } else {
        throw new UnsupportedOperationException("Unsupported tag type " + tag.getClass().getSimpleName() + " encountered");
    }
}
 

import org.jnbt.ListTag; //导入依赖的package包/类
protected final void setDoubleList(String name, double[] values) {
    List<Tag> list = new ArrayList<>(values.length);
    for (double value : values) {
        list.add(new DoubleTag(null, value));
    }
    tag.setTag(name, new ListTag(name, DoubleTag.class, list));
}
 

import org.jnbt.ListTag; //导入依赖的package包/类
protected final void setFloatList(String name, float[] values) {
    List<Tag> list = new ArrayList<>(values.length);
    for (float value : values) {
        list.add(new FloatTag(null, value));
    }
    tag.setTag(name, new ListTag(name, FloatTag.class, list));
}
 

import org.jnbt.ListTag; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public Tag getTag() {
	return new ListTag(name, type, values);
}
 

import org.jnbt.ListTag; //导入依赖的package包/类
private void addPlayer(String name, CompoundTag ps) {
	List<Tag> pos = ((ListTag)(ps.getValue().get("Pos"))).getValue();
	double x = (Double)pos.get(0).getValue();
	double z = (Double)pos.get(2).getValue();
	players.add(new MapObjectPlayer(name, (int) x, (int) z));
}
 

import org.jnbt.ListTag; //导入依赖的package包/类
protected final <T extends Tag> List<T> getList(String name) {
    ListTag listTag = (ListTag) tag.getTag(name);
    return (listTag != null) ? (List<T>) listTag.getValue() : null;
}
 

import org.jnbt.ListTag; //导入依赖的package包/类
protected final <T extends Tag> void setList(String name, Class<T> type, List<Tag> list) {
    tag.setTag(name, new ListTag(name, type, list));
}
 

import org.jnbt.ListTag; //导入依赖的package包/类
/**
 * Extracts a list of tags from an NBT compound tag, where the child
 * element is assumed to be a {@link org.jnbt.ListTag}.
 *
 * @param tag the tag instance
 * @param key the key for the byte array attribute
 * @return the byte array
 */
static List<Tag> getTagListFromTag(CompoundTag tag, String key) {
    return ((ListTag) tag.getValue().get(key)).getValue();
}