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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  
17  package com.google.common.collect;
18  
19  import com.google.gwt.user.client.rpc.SerializationException;
20  import com.google.gwt.user.client.rpc.SerializationStreamReader;
21  import com.google.gwt.user.client.rpc.SerializationStreamWriter;
22  import com.google.gwt.user.client.rpc.core.java.util.Collection_CustomFieldSerializerBase;
23  import java.util.ArrayList;
24  import java.util.List;
25  
26  /**
27   * This class implements the GWT serialization of {@link
28   * RegularImmutableList}.
29   *
30   * @author Hayward Chan
31   */
32  public class RegularImmutableList_CustomFieldSerializer {
33  
34    public static void deserialize(
35        SerializationStreamReader reader, RegularImmutableList<?> instance) {}
36  
37    public static RegularImmutableList<Object> instantiate(SerializationStreamReader reader)
38        throws SerializationException {
39      List<Object> elements = new ArrayList<>();
40      Collection_CustomFieldSerializerBase.deserialize(reader, elements);
41      /*
42       * For this custom field serializer to be invoked, the list must have been
43       * RegularImmutableList before it's serialized.  Since RegularImmutableList
44       * always have one or more elements, ImmutableList.copyOf always return
45       * a RegularImmutableList back.
46       */
47      return (RegularImmutableList<Object>) ImmutableList.copyOf(elements);
48    }
49  
50    public static void serialize(SerializationStreamWriter writer, RegularImmutableList<?> instance)
51        throws SerializationException {
52      Collection_CustomFieldSerializerBase.serialize(writer, instance);
53    }
54  }