Platform.java revision 1d580d0f6ee4f21eb309ba7b509d2c6d671c4044 
1/*
2 * Copyright (C) 2007 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.testing;
18
19import static com.google.common.base.Preconditions.checkNotNull;
20
21import java.io.ByteArrayInputStream;
22import java.io.ByteArrayOutputStream;
23import java.io.IOException;
24import java.io.ObjectInputStream;
25import java.io.ObjectOutputStream;
26
27/**
28 * Methods factored out so that they can be emulated differently in GWT.
29 *
30 * @author Chris Povirk
31 */
32final class Platform {
33  /**
34   * Serializes and deserializes the specified object.
35   */
36  @SuppressWarnings("unchecked")
37  static <T> T reserialize(T object) {
38    checkNotNull(object);
39    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
40    try {
41      ObjectOutputStream out = new ObjectOutputStream(bytes);
42      out.writeObject(object);
43      ObjectInputStream in = new ObjectInputStream(
44          new ByteArrayInputStream(bytes.toByteArray()));
45      return (T) in.readObject();
46    } catch (IOException e) {
47      throw new RuntimeException(e);
48    } catch (ClassNotFoundException e) {
49      throw new RuntimeException(e);
50    }
51  }
52
53  private Platform() {}
54}
55