[Jpox-issues] [JPOX JIRA] Updated: (ENHANCER-91) Persistent class with methods writeObject and writeReplace should be modified by Enhancer an call jdoPreSerialize + add detachedState

[Andy J. (JIRA) <web...@jp...>]

     [ http://www.jpox.org/servlet/jira/browse/ENHANCER-91?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Jefferson updated ENHANCER-91:
-----------------------------------

    Fix Version/s: 1.2.0-rc-1
                       (was: 1.2.0-beta-4)

> Persistent class with methods writeObject and writeReplace should be modified by Enhancer an call jdoPreSerialize + add detachedState
> -------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: ENHANCER-91
>                 URL: http://www.jpox.org/servlet/jira/browse/ENHANCER-91
>             Project: Enhancer
>          Issue Type: Bug
>          Components: JDO Enhancer : ASM, JDO Enhancer : BCEL
>    Affects Versions: 1.1.6, 1.2.0-beta-2
>            Reporter: Erik Bengtson
>         Assigned To: Erik Bengtson
>             Fix For: 1.2.0-rc-1
>
>
> package org.jpox.samples.serialize;
> import java.io.ByteArrayOutputStream;
> import java.io.File;
> import java.io.FileInputStream;
> import java.io.FileOutputStream;
> import java.io.IOException;
> import java.io.ObjectInputStream;
> import java.io.ObjectOutputStream;
> import java.io.Serializable;
> import java.util.BitSet;
> import java.util.Date;
> import javax.jdo.spi.Detachable;
> import javax.jdo.spi.PersistenceCapable;
> public class SerializeSample implements Serializable
> {
>     private static final long serialVersionUID = 2765740961462495537L;
>     private String name;
>     
>     private long age;
>     
>     private Date birthdate;
>     private String zzzz;
>     private String zzzzzz;
>     
>     private transient String password;
>     private void writeObject(ObjectOutputStream stream) throws IOException {
>         //do jdoPreSerialize() here
>         try
>         {
>             stream.writeObject(getClass().getDeclaredField("jdoDetachedState").get(this));
>         }
>         catch (Exception e)
>         {
>         }
>         stream.defaultWriteObject();
>       }
>       private void readObject(ObjectInputStream stream) throws IOException,
>           ClassNotFoundException {
>           //do jdoPreSerialize() here
>             try
>             {
>                 Object value = stream.readObject();
>                 getClass().getDeclaredField("jdoDetachedState").set(this,value);
>             }
>             catch (Exception e)
>             {
>             }
>             stream.defaultReadObject();
>       }   
>     /**
>      * @param args
>      */
>     public static void main(String[] args) throws Exception
>     {
>         if( args.length < 1)
>         {
>             System.out.println("Must have one arg (out or in).");
>         }
>         else if( args[0].equalsIgnoreCase("out"))
>         {
>             testOut();
>         }
>         else if( args[0].equalsIgnoreCase("in"))
>         {
>             testIn();
>         }
>     }
>     public static void testOut() throws Exception
>     {
>         if( !(Detachable.class.isAssignableFrom(SerializeSample.class)))
>         {
>             System.err.println("Expected a Detachable class");
>         }
>         SerializeSample s = new SerializeSample();
>         BitSet set = new BitSet();
>         set.set(0);
>         set.set(1);
>         set.set(2);
>         set.set(3);
>         s.getClass().getDeclaredField("jdoDetachedState").set(s,new Object[]{set,set,set,set});
>         s.name ="Erik";
>         s.age = 10;
>         s.zzzz ="Sleeping";
>         ByteArrayOutputStream buf = new ByteArrayOutputStream();
>         File file =new File("test.out");
>         file.createNewFile();
>         ObjectOutputStream o = new ObjectOutputStream(new FileOutputStream(file));
>         o.writeObject(s);
>         o.close();
>     }
>     public static void testIn() throws Exception
>     {
>         if( Detachable.class.isAssignableFrom(SerializeSample.class))
>         {
>             System.out.println("Class is Detachable and detached state should be printed.");
>         }
>         else
>         {
>             System.out.println("Class is not Detachable.");
>         }
>         File file =new File("test.out");
>         ObjectInputStream in = new ObjectInputStream(new FileInputStream(file));
>         SerializeSample s = (SerializeSample) in.readObject();
>         System.out.println(s.name);
>         System.out.println(s.age);
>         System.out.println(s.zzzz);
>         if( Detachable.class.isAssignableFrom(SerializeSample.class))
>         {
>             System.out.println(s.getClass().getDeclaredField("jdoDetachedState").get(s));
>         }
>     }
> }

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