001/*
002 * Copyright (C) 2009 The Guava Authors
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
017package com.google.common.collect;
018
019import com.google.gwt.user.client.rpc.SerializationException;
020import com.google.gwt.user.client.rpc.SerializationStreamReader;
021import com.google.gwt.user.client.rpc.SerializationStreamWriter;
022import com.google.gwt.user.client.rpc.core.java.util.Collection_CustomFieldSerializerBase;
023import java.util.ArrayList;
024import java.util.List;
025
026/**
027 * This class implements the GWT serialization of {@link RegularImmutableList}.
028 *
029 * @author Hayward Chan
030 */
031public class RegularImmutableList_CustomFieldSerializer {
032
033  public static void deserialize(
034      SerializationStreamReader reader, RegularImmutableList<?> instance) {}
035
036  public static RegularImmutableList<Object> instantiate(SerializationStreamReader reader)
037      throws SerializationException {
038    List<Object> elements = new ArrayList<>();
039    Collection_CustomFieldSerializerBase.deserialize(reader, elements);
040    /*
041     * For this custom field serializer to be invoked, the list must have been
042     * RegularImmutableList before it's serialized.  Since RegularImmutableList
043     * always have one or more elements, ImmutableList.copyOf always return
044     * a RegularImmutableList back.
045     */
046    return (RegularImmutableList<Object>) ImmutableList.copyOf(elements);
047  }
048
049  public static void serialize(SerializationStreamWriter writer, RegularImmutableList<?> instance)
050      throws SerializationException {
051    Collection_CustomFieldSerializerBase.serialize(writer, instance);
052  }
053}