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1   /*
2    * Copyright (C) 2012 The Guava Authors
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5    * in compliance with the License. You may obtain a copy of the License at
6    *
7    * http://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software distributed under the License
10   * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11   * or implied. See the License for the specific language governing permissions and limitations under
12   * the License.
13   */
14  
15  package com.google.common.collect;
16  
17  import com.google.gwt.user.client.rpc.SerializationException;
18  import com.google.gwt.user.client.rpc.SerializationStreamReader;
19  import com.google.gwt.user.client.rpc.SerializationStreamWriter;
20  import com.google.gwt.user.client.rpc.core.java.util.Map_CustomFieldSerializerBase;
21  
22  /**
23   * This class contains static utility methods for writing {@link ImmutableTable} GWT field
24   * serializers. Serializers should delegate to {@link #serialize} and {@link #instantiate}.
25   *
26   * @author Chris Povirk
27   */
28  final class ImmutableTable_CustomFieldSerializerBase {
29    public static ImmutableTable<Object, Object, Object> instantiate(SerializationStreamReader reader)
30        throws SerializationException {
31      ImmutableTable.Builder<Object, Object, Object> builder = ImmutableTable.builder();
32      int rowCount = reader.readInt();
33      for (int i = 0; i < rowCount; i++) {
34        Object rowKey = reader.readObject();
35        int colCount = reader.readInt();
36        for (int j = 0; j < colCount; j++) {
37          builder.put(rowKey, reader.readObject(), reader.readObject());
38        }
39      }
40      return builder.build();
41    }
42  
43    public static void serialize(
44        SerializationStreamWriter writer, ImmutableTable<Object, Object, Object> table)
45        throws SerializationException {
46      writer.writeInt(table.rowKeySet().size());
47      for (Object rowKey : table.rowKeySet()) {
48        writer.writeObject(rowKey);
49        Map_CustomFieldSerializerBase.serialize(writer, table.row(rowKey));
50      }
51    }
52  
53    private ImmutableTable_CustomFieldSerializerBase() {}
54  }