1/*
2 * Copyright (C) 2012 The Android Open Source Project
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
17import java.io.ByteArrayInputStream;
18import java.io.ByteArrayOutputStream;
19import java.io.IOException;
20import java.io.ObjectInputStream;
21import java.io.ObjectOutputStream;
22import java.io.Serializable;
23
24/**
25 * Exercise serialization.
26 */
27public class Main {
28
29    public static void main(String[] args) {
30        testObjectSerialization();
31    }
32
33    static void testObjectSerialization() {
34        byte[] serialData;
35
36        try {
37            serialData = createStream();
38            checkStream(serialData);
39        } catch (IOException ioe) {
40            throw new RuntimeException(ioe);
41        }
42    }
43
44    static byte[] createStream() throws IOException {
45        ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
46        ObjectOutputStream objStream = new ObjectOutputStream(byteStream);
47
48        Sub sub = new Sub('X');
49        objStream.writeObject(sub);
50        byte[] bytes = byteStream.toByteArray();
51
52        objStream.close();
53        byteStream.close();
54        return bytes;
55    }
56
57    static void checkStream(byte[] input) throws IOException {
58        ByteArrayInputStream byteStream = new ByteArrayInputStream(input);
59        ObjectInputStream objStream = new ObjectInputStream(byteStream);
60
61        Sub sub;
62        try {
63            sub = (Sub) objStream.readObject();
64        } catch (ClassNotFoundException cnfe) {
65            throw new RuntimeException(cnfe);
66        }
67
68        objStream.close();
69        byteStream.close();
70
71        sub.check();
72    }
73}
74
75class Base implements Serializable {
76    private static final long serialVersionUID = 12345;
77
78    Boolean one;
79    Integer two;
80    String three;
81
82    public Base() {
83        one = true;
84        two = Integer.valueOf(2);
85        three = "three";
86    }
87}
88
89class Sub extends Base {
90    private static final long serialVersionUID = 54321;
91
92    Double four;
93    Float five;
94    private Byte six = 26;
95    Character seven = '7';
96    Short eight;
97    long nine;
98    public Character thing;
99
100    public Sub(char thing) {
101        four = 4.0;
102        five = 5.0f;
103        six = 6;
104        eight = 8;
105        nine = 9;
106        this.thing = thing;
107    }
108
109    public void check() {
110        System.out.println("one=" + one + " two=" + two + " three=" + three
111            + " four=" + four + " five=" + five + " six=" + six
112            + " seven=" + seven + " eight=" + eight + " nine=" + nine
113            + " thing=" + thing);
114    }
115}
116
117