001/*
002 * Copyright (C) 2012 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.Map_CustomFieldSerializerBase;
023import java.util.Map;
024
025/**
026 * This class implements the GWT serialization of {@link ImmutableEnumMap}.
027 *
028 * @author Louis Wasserman
029 */
030public class ImmutableEnumMap_CustomFieldSerializer {
031
032  public static void deserialize(
033      SerializationStreamReader reader, ImmutableEnumMap<?, ?> instance) {}
034
035  public static <K extends Enum<K>, V> ImmutableEnumMap<?, ?> instantiate(
036      SerializationStreamReader reader) throws SerializationException {
037    Map<K, V> deserialized = Maps.newHashMap();
038    Map_CustomFieldSerializerBase.deserialize(reader, deserialized);
039    /*
040     * It is safe to cast to ImmutableEnumSet because in order for it to be
041     * serialized as an ImmutableEnumSet, it must be non-empty to start
042     * with.
043     */
044    return (ImmutableEnumMap<?, ?>) Maps.immutableEnumMap(deserialized);
045  }
046
047  public static void serialize(SerializationStreamWriter writer, ImmutableEnumMap<?, ?> instance)
048      throws SerializationException {
049    Map_CustomFieldSerializerBase.serialize(writer, instance);
050  }
051}