ViaVersion/api/src/main/java/com/viaversion/viaversion/api/type/types/BitSetType.java

56 lines
2.2 KiB
Java

/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2016-2023 ViaVersion and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.viaversion.viaversion.api.type.types;
import com.google.common.base.Preconditions;
import com.viaversion.viaversion.api.type.Type;
import io.netty.buffer.ByteBuf;
import java.util.Arrays;
import java.util.BitSet;
public class BitSetType extends Type<BitSet> {
private final int length;
private final int bytesLength;
public BitSetType(final int length) {
super(BitSet.class);
this.length = length;
this.bytesLength = -Math.floorDiv(-length, 8); // Ceiled quotient
}
@Override
public BitSet read(ByteBuf buffer) {
final byte[] bytes = new byte[bytesLength];
buffer.readBytes(bytes);
return BitSet.valueOf(bytes);
}
@Override
public void write(ByteBuf buffer, BitSet object) {
Preconditions.checkArgument(object.length() <= length, "BitSet of length " + object.length() + " larger than max length " + length);
final byte[] bytes = object.toByteArray();
buffer.writeBytes(Arrays.copyOf(bytes, bytesLength));
}
}