62 lines
2.3 KiB
Java
62 lines
2.3 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2021 ViaVersion and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package com.viaversion.viaversion.api.type.types;
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import io.netty.buffer.ByteBuf;
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import com.viaversion.viaversion.api.type.Type;
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import java.lang.reflect.Array;
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public class ArrayType<T> extends Type<T[]> {
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private final Type<T> elementType;
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public ArrayType(Type<T> type) {
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super(type.getTypeName() + " Array", (Class<T[]>) getArrayClass(type.getOutputClass()));
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this.elementType = type;
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}
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public static Class<?> getArrayClass(Class<?> componentType) {
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// Should only happen once per class init.
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return Array.newInstance(componentType, 0).getClass();
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}
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@Override
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public T[] read(ByteBuf buffer) throws Exception {
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int amount = Type.VAR_INT.readPrimitive(buffer);
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T[] array = (T[]) Array.newInstance(elementType.getOutputClass(), amount);
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for (int i = 0; i < amount; i++) {
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array[i] = elementType.read(buffer);
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}
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return array;
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}
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@Override
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public void write(ByteBuf buffer, T[] object) throws Exception {
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Type.VAR_INT.writePrimitive(buffer, object.length);
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for (T o : object) {
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elementType.write(buffer, o);
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}
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}
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}
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