com.crowsofwar.avatar.common.util.AvatarByteBufUtils.java Source code

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Here is the source code for com.crowsofwar.avatar.common.util.AvatarByteBufUtils.java

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/* 
  This file is part of AvatarMod.
    
  AvatarMod is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
      
  AvatarMod is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
      
  You should have received a copy of the GNU General Public License
  along with AvatarMod. If not, see <http://www.gnu.org/licenses/>.
*/

package com.crowsofwar.avatar.common.util;

import java.util.ArrayList;
import java.util.List;
import java.util.function.Consumer;
import java.util.function.Supplier;

import io.netty.buffer.ByteBuf;

/**
 * A collection of methods to help with reading/writing to ByteBufs.
 * 
 * @author CrowsOfWar
 */
public class AvatarByteBufUtils {

    public static <T> List<T> readList(ByteBuf buf, Supplier<T> itemSupplier) {
        List<T> list = new ArrayList<>();
        int size = buf.readInt();
        for (int i = 0; i < size; i++) {
            list.add(itemSupplier.get());
        }
        return list;
    }

    public static <T> void writeList(ByteBuf buf, List<T> list, Consumer<T> writer) {
        buf.writeInt(list.size());
        for (T t : list) {
            writer.accept(t);
        }
    }

}