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 
17 package com.google.common.testing;
18 
19 import static com.google.common.base.Preconditions.checkNotNull;
20 
21 import com.google.common.annotations.GwtCompatible;
22 
23 import java.io.ByteArrayInputStream;
24 import java.io.ByteArrayOutputStream;
25 import java.io.IOException;
26 import java.io.ObjectInputStream;
27 import java.io.ObjectOutputStream;
28 
29 /**
30  * Methods factored out so that they can be emulated differently in GWT.
31  *
32  * @author Chris Povirk
33  */
34 @GwtCompatible(emulated = true)
35 final class Platform {
36   /**
37    * Serializes and deserializes the specified object.
38    */
39   @SuppressWarnings("unchecked")
reserialize(T object)40   static <T> T reserialize(T object) {
41     checkNotNull(object);
42     ByteArrayOutputStream bytes = new ByteArrayOutputStream();
43     try {
44       ObjectOutputStream out = new ObjectOutputStream(bytes);
45       out.writeObject(object);
46       ObjectInputStream in = new ObjectInputStream(
47           new ByteArrayInputStream(bytes.toByteArray()));
48       return (T) in.readObject();
49     } catch (IOException e) {
50       throw new RuntimeException(e);
51     } catch (ClassNotFoundException e) {
52       throw new RuntimeException(e);
53     }
54   }
55 
Platform()56   private Platform() {}
57 }
58