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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
/**
* Exercise serialization.
*/
public class Main {
public static void main(String[] args) {
testObjectSerialization();
}
static void testObjectSerialization() {
byte[] serialData;
try {
serialData = createStream();
checkStream(serialData);
} catch (IOException ioe) {
throw new RuntimeException(ioe);
}
}
static byte[] createStream() throws IOException {
ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
ObjectOutputStream objStream = new ObjectOutputStream(byteStream);
Sub sub = new Sub('X');
objStream.writeObject(sub);
Inner inner = new Inner(0xCAFEF00D);
objStream.writeObject(inner);
byte[] bytes = byteStream.toByteArray();
objStream.close();
byteStream.close();
return bytes;
}
static void checkStream(byte[] input) throws IOException {
ByteArrayInputStream byteStream = new ByteArrayInputStream(input);
ObjectInputStream objStream = new ObjectInputStream(byteStream);
Sub sub;
Inner inner;
try {
sub = (Sub) objStream.readObject();
inner = (Inner) objStream.readObject();
} catch (ClassNotFoundException cnfe) {
throw new RuntimeException(cnfe);
}
objStream.close();
byteStream.close();
sub.check();
inner.check();
}
static class Inner implements Serializable {
private static final long serialVersionUID = 319009;
private final int x;
public Inner (int x) {
this.x = x;
}
public void check() {
System.out.println("x=" + Integer.toHexString(x));
}
}
}
class Base implements Serializable {
private static final long serialVersionUID = 12345;
Boolean one;
Integer two;
String three;
public Base() {
one = true;
two = Integer.valueOf(2);
three = "three";
}
}
class Sub extends Base {
private static final long serialVersionUID = 54321;
Double four;
Float five;
private Byte six = 26;
Character seven = '7';
Short eight;
long nine;
public Character thing;
public Sub(char thing) {
four = 4.0;
five = 5.0f;
six = 6;
eight = 8;
nine = 9;
this.thing = thing;
}
public void check() {
System.out.println("one=" + one + " two=" + two + " three=" + three
+ " four=" + four + " five=" + five + " six=" + six
+ " seven=" + seven + " eight=" + eight + " nine=" + nine
+ " thing=" + thing);
}
}
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