001/*
002 * Trident - A Multithreaded Server Alternative
003 * Copyright 2014 The TridentSDK Team
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *    http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package net.tridentsdk.meta.nbt;
019
020import com.google.common.collect.Lists;
021
022import java.util.ArrayList;
023import java.util.Collections;
024import java.util.List;
025
026/**
027 * @author The TridentSDK Team
028 * @since 0.3-alpha-DP
029 */
030public class ListTag extends NBTTag implements TagContainer {
031    final List<NBTTag> tags = Collections.synchronizedList(new ArrayList<>());
032    final TagType innerType;
033
034    public ListTag(String name, TagType innerType) {
035        super(name);
036        this.innerType = innerType;
037    }
038
039    public List<NBTTag> listTags() {
040        return Lists.newArrayList(this.tags);
041    }
042
043    public NBTTag getTag(int index) {
044        return this.tags.get(index);
045    }
046
047    public void clearTags() {
048        this.tags.clear();
049    }
050
051    public boolean containsTag(NBTTag tag) {
052        return this.tags.contains(tag);
053    }
054
055    @Override
056    public void addTag(NBTTag tag) {
057        if (tag.type() == this.innerType) {
058            this.tags.add(tag);
059        }
060    }
061
062    public void removeTag(NBTTag tag) {
063        this.tags.remove(tag);
064    }
065
066    public TagType getInnerType() {
067        return this.innerType;
068    }
069
070    /* (non-Javadoc)
071     * @see net.tridentsdk.meta.nbt.NBTTag#type()
072     */
073    @Override
074    public TagType type() {
075        return TagType.LIST;
076    }
077}