Coverage Summary for Class: Platform (com.google.common.testing)

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 import java.io.ByteArrayInputStream;
23 import java.io.ByteArrayOutputStream;
24 import java.io.IOException;
25 import java.io.ObjectInputStream;
26 import java.io.ObjectOutputStream;
27 
28 /**
29  * Methods factored out so that they can be emulated differently in GWT.
30  *
31  * @author Chris Povirk
32  */
33 @GwtCompatible(emulated = true)
34 final class Platform {
35   /** Serializes and deserializes the specified object. */
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(new ByteArrayInputStream(bytes.toByteArray()));
44       return (T) in.readObject();
45     } catch (IOException | ClassNotFoundException e) {
46       throw new RuntimeException(e);
47     }
48   }
49 
50   private Platform() {}
51 }