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