001/*
002 * Copyright (c) 2022-2024 See AUTHORS file.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *   http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 */
017
018package com.github.tommyettinger.kryo.jdkgdxds;
019
020import com.esotericsoftware.kryo.Kryo;
021import com.esotericsoftware.kryo.Serializer;
022import com.esotericsoftware.kryo.io.Input;
023import com.esotericsoftware.kryo.io.Output;
024import com.github.tommyettinger.ds.EnumSet;
025
026import java.util.Iterator;
027
028/**
029 * Kryo {@link Serializer} for jdkgdxds {@link EnumSet}s.
030 * Requires the type of any enum values that are contained in an EnumSet to also be registered.
031 */
032public class EnumSetSerializer extends Serializer<EnumSet> {
033
034    public EnumSetSerializer() {
035        setAcceptsNull(false);
036    }
037
038    @Override
039    public void write(final Kryo kryo, final Output output, final EnumSet data) {
040        int length = data.size();
041        output.writeInt(length, true);
042        for (Iterator<Enum<?>> it = new EnumSet.EnumSetIterator(data); it.hasNext(); )
043            kryo.writeClassAndObject(output, it.next());
044    }
045
046    @Override
047    public EnumSet read(final Kryo kryo, final Input input, final Class<? extends EnumSet> dataClass) {
048        int length = input.readInt(true);
049        EnumSet data;
050        data = new EnumSet();
051        for (int i = 0; i < length; i++)
052            data.add((Enum<?>)kryo.readClassAndObject(input));
053        return data;
054    }
055
056    @Override
057    public EnumSet copy(Kryo kryo, EnumSet original) {
058        return new EnumSet(original);
059    }
060}