ObjectCloner.java

package com.idega.util;



import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;



public class ObjectCloner

{



   // so that nobody can accidentally create an ObjectCloner object

   private ObjectCloner(){}



   // returns a deep copy of an object

   static public Object deepCopy(Object oldObj) throws Exception

   {



      ObjectOutputStream oos = null;

      ObjectInputStream ois = null;



      try

      {



         ByteArrayOutputStream bos =

               new ByteArrayOutputStream(); // A

         oos = new ObjectOutputStream(bos); // B



         // serialize and pass the object

         oos.writeObject(oldObj); // C

         oos.flush(); // D



         ByteArrayInputStream bin =

               new ByteArrayInputStream(bos.toByteArray()); // E

         ois = new ObjectInputStream(bin); // F



         // return the new object

         return ois.readObject(); // G



      }

      catch(Exception e)

      {

         System.out.println("Exception in ObjectCloner = " + e);

         throw(e);

      }

      finally

      {

         oos.close();

         ois.close();

      }



   }



}