1/*
2 * Copyright (C) 2009 The Guava Authors
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.google.common.collect;
18
19import com.google.gwt.user.client.rpc.SerializationException;
20import com.google.gwt.user.client.rpc.SerializationStreamReader;
21import com.google.gwt.user.client.rpc.SerializationStreamWriter;
22import com.google.gwt.user.client.rpc.core.java.util.Collection_CustomFieldSerializerBase;
23
24import java.util.List;
25
26/**
27 * This class implements the GWT serialization of {@link ImmutableEnumSet}.
28 *
29 * @author Hayward Chan
30 */
31public class ImmutableEnumSet_CustomFieldSerializer {
32
33  public static void deserialize(SerializationStreamReader reader,
34      ImmutableEnumSet<?> instance) {
35  }
36
37  public static <E extends Enum<E>> ImmutableEnumSet<?> instantiate(
38      SerializationStreamReader reader) throws SerializationException {
39    List<E> deserialized = Lists.newArrayList();
40    Collection_CustomFieldSerializerBase.deserialize(reader, deserialized);
41    /*
42     * It is safe to cast to ImmutableEnumSet because in order for it to be
43     * serialized as an ImmutableEnumSet, it must be non-empty to start
44     * with.
45     */
46    return (ImmutableEnumSet<?>) Sets.immutableEnumSet(deserialized);
47  }
48
49  public static void serialize(SerializationStreamWriter writer,
50      ImmutableEnumSet<?> instance) throws SerializationException {
51    Collection_CustomFieldSerializerBase.serialize(writer, instance);
52  }
53
54}
55