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.Map_CustomFieldSerializerBase;
23
24import java.util.Comparator;
25import java.util.SortedMap;
26import java.util.TreeMap;
27
28/**
29 * This class implements the GWT serialization of {@link ImmutableSortedMap}.
30 *
31 * @author Chris Povirk
32 */
33public class ImmutableSortedMap_CustomFieldSerializer {
34  public static void deserialize(SerializationStreamReader reader,
35      ImmutableSortedMap<?, ?> instance) {
36  }
37
38  public static ImmutableSortedMap<?, ?> instantiate(
39      SerializationStreamReader reader) throws SerializationException {
40    /*
41     * Nothing we can do, but we're already assuming the serialized form is
42     * correctly typed, anyway.
43     */
44    @SuppressWarnings("unchecked")
45    Comparator<Object> comparator = (Comparator<Object>) reader.readObject();
46
47    SortedMap<Object, Object> entries = new TreeMap<Object, Object>(comparator);
48    Map_CustomFieldSerializerBase.deserialize(reader, entries);
49
50    return ImmutableSortedMap.orderedBy(comparator).putAll(entries).build();
51  }
52
53  public static void serialize(SerializationStreamWriter writer,
54      ImmutableSortedMap<?, ?> instance) throws SerializationException {
55    writer.writeObject(instance.comparator());
56
57    Map_CustomFieldSerializerBase.serialize(writer, instance);
58  }
59}
60