/** * Copyright (c) 2013-2020 Nikita Koksharov * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.redisson.spring.data.connection; import java.util.List; import org.redisson.client.handler.State; import org.redisson.client.protocol.Decoder; import org.redisson.client.protocol.decoder.MultiDecoder; /** * * @author Nikita Koksharov * * @param <T> type */ public class ObjectListReplayDecoder2<T> implements MultiDecoder<List<T>> { private final Decoder<Object> decoder; public ObjectListReplayDecoder2() { this(null); } public ObjectListReplayDecoder2(Decoder<Object> decoder) { super(); this.decoder = decoder; } @Override public List<T> decode(List<Object> parts, State state) { for (int i = 0; i < parts.size(); i++) { Object object = parts.get(i); if (object instanceof List) { if (((List) object).isEmpty()) { parts.set(i, null); } } } return (List<T>) parts; } @Override public Decoder<Object> getDecoder(int paramNum, State state) { return decoder; } }