content: /*
   * 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);
      }
  }
  