Clone Via Serialization : Clone « Class « Java

Home
Java
1.2D Graphics GUI
2.3D
3.Advanced Graphics
4.Ant
5.Apache Common
6.Chart
7.Class
8.Collections Data Structure
9.Data Type
10.Database SQL JDBC
11.Design Pattern
12.Development Class
13.EJB3
14.Email
15.Event
16.File Input Output
17.Game
18.Generics
19.GWT
20.Hibernate
21.I18N
22.J2EE
23.J2ME
24.JavaFX
25.JDK 6
26.JDK 7
27.JNDI LDAP
28.JPA
29.JSP
30.JSTL
31.Language Basics
32.Network Protocol
33.PDF RTF
34.Reflection
35.Regular Expressions
36.Scripting
37.Security
38.Servlets
39.Spring
40.Swing Components
41.Swing JFC
42.SWT JFace Eclipse
43.Threads
44.Tiny Application
45.Velocity
46.Web Services SOA
47.XML
Java » Class » Clone 




Clone Via Serialization
   

/** 
 
 * The ObjectStyle Group Software License, version 1.1
 * ObjectStyle Group - http://objectstyle.org/
 
 * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
 * of the software. All rights reserved.
 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 
 * 3. The end-user documentation included with the redistribution, if any,
 *    must include the following acknowlegement:
 *    "This product includes software developed by independent contributors
 *    and hosted on ObjectStyle Group web site (http://objectstyle.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 
 * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse
 *    or promote products derived from this software without prior written
 *    permission. For written permission, email
 *    "andrus at objectstyle dot org".
 
 * 5. Products derived from this software may not be called "ObjectStyle"
 *    or "Cayenne", nor may "ObjectStyle" or "Cayenne" appear in their
 *    names without prior written permission.
 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 
 
 * This software consists of voluntary contributions made by many
 * individuals and hosted on ObjectStyle Group web site.  For more
 * information on the ObjectStyle Group, please see
 * <http://objectstyle.org/>.
 */

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.lang.reflect.Member;
import java.lang.reflect.Modifier;
import java.net.URL;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;


import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;

/**
 * Contains various unorganized static utility methods used across Cayenne.
 
 @author Andrei Adamchik
 */
public class Util {
  /**
   * Creates Serializable object copy using serialization/deserialization.
   */
  public static Object cloneViaSerialization(Serializable objthrows Exception {
      ByteArrayOutputStream bytes = new ByteArrayOutputStream() {

          public synchronized byte[] toByteArray() {
              return buf;
          }
      };

      ObjectOutputStream out = new ObjectOutputStream(bytes);
      out.writeObject(obj);
      out.close();

      ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes
              .toByteArray()));
      Object objCopy = in.readObject();

      // no need to close the stream - we created it and now will be throwing away...
      // in.close();
      
      return objCopy;
  }
}

   
    
    
  














Related examples in the same category
1.A Cloning Example
2.Class is declared to be cloneable.
3.Arrays are automatically cloneable
4.Clone objects
5.Creating a Deep Copy
6.Shallow Copy TestShallow Copy Test
7.Deep Copy TestDeep Copy Test
8.Uses serialization to perform deep copy cloning.
9.Tests cloning to see if destination of references are also clonedTests cloning to see if destination of references are also cloned
10.Creating local copies with cloneCreating local copies with clone
11.You can insert Cloneability at any level of inheritance
12.Cloning a composed objectCloning a composed object
13.Serializable and cloneSerializable and clone
14.Go through a few gyrations to add cloning to your own classGo through a few gyrations to add cloning to your own class
15.Checking to see if a reference can be clonedChecking to see if a reference can be cloned
16.The clone operation works for only a few items in the standard Java libraryThe clone operation works for only a few items in the standard Java library
17.Demonstration of cloning
18.Simple demo of avoiding side-effects by using Object.cloneSimple demo of avoiding side-effects by using Object.clone
19.Clone an object with clone method from parent
20.Manipulate properties after clone operation
21.Deep clone ObjectDeep clone Object
22.Serializable Clone
23.Utility for object cloning
24.Clone demo
25.Deep clone serializing/de-serializng Clone
26.Implements a pool of internalized objects
27.A collection of utilities to workaround limitations of Java clone framework
28.This program demonstrates cloning
29.Returns a copy of the object, or null if the object cannot be serialized.Returns a copy of the object, or null if the object cannot be serialized.
30.Deep-copies the values from one object to the other
31.Object Deep copy
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.