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From "Alexei Zakharov (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-3158) [classlib][luni]ObjectOutputStream.replaceObject fails when serializable object is Class or interface
Date Tue, 13 Feb 2007 09:42:06 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-3158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexei Zakharov updated HARMONY-3158:
-------------------------------------

    Patch Info: [Patch Available]

> [classlib][luni]ObjectOutputStream.replaceObject fails when serializable object is Class
or interface
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-3158
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3158
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Igor V. Stolyarov
>         Attachments: H-3158.patch
>
>
> ObjectOutputStream.replaceObject fails when serializable object is Class or interface
> Test:
> import java.net.*;
> import java.io.*;
> import java.util.*;
> public class Test{
>         
>     private static class ObjectOutputStreamWithReplace extends
>             ObjectOutputStream {
>         public ObjectOutputStreamWithReplace(OutputStream out)
>                 throws IOException {
>             super(out);
>             enableReplaceObject(true);
>         }
>         protected Object replaceObject(Object obj) throws IOException {
>             if(obj instanceof Integer) obj = new Long(10);
>             return obj;
>         }
>     }
>     public static void main(String argv[]){
>         try {
>             HashMap hm = new HashMap();
>             hm.put("Long", new Integer(10));
>             hm.put("Integer class", Integer.class);
>             ByteArrayOutputStream baos = new ByteArrayOutputStream();
>             ObjectOutputStream oos = new ObjectOutputStream(baos);
>             oos.writeObject(hm);
>             oos.flush();
>             ObjectInputStream ois = new ObjectInputStream(
>                    new ByteArrayInputStream(baos.toByteArray()));
>             
>             HashMap hm1 = (HashMap)ois.readObject();
>             oos.close();
>             ois.close();
>             
>             Object obj = hm1.get("Long");
>             if(obj instanceof Integer) System.out.println("Test part 1 - passed");
>             else System.out.println("Test part 1 - failed"); 
>             obj = hm1.get("Integer class");
>             if(obj == Integer.class) System.out.println("Test part 2 - passed");
>             else System.out.println("Test part 2 - failed");
>             baos = new ByteArrayOutputStream();
>             ObjectOutputStreamWithReplace ooswr = new ObjectOutputStreamWithReplace(
>                                 baos);
>             ooswr.writeObject(hm);
>             ooswr.flush();
>             ois = new ObjectInputStream(
>                    new ByteArrayInputStream(baos.toByteArray()));
>             
>             hm1 = (HashMap)ois.readObject();
>             ooswr.close();
>             ois.close();
>             
>             obj = hm1.get("Long");
>             if(obj instanceof Long) System.out.println("Test part 3 - passed");
>             else System.out.println("Test part 3 - failed"); 
>             obj = hm1.get("Integer class");
>             if(obj == Integer.class) System.out.println("Test part 4 - passed");
>             else System.out.println("Test part 4 - failed");
>         } catch (Exception e) {
>             e.printStackTrace();
>         }
>     }
> }
> ------------------------------------------------
> Output:
> JRockit jdk:
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC:
>  System optimized over throughput (initial strategy singleparpar))
> Test part 1 - passed
> Test part 2 - passed
> Test part 3 - passed
> Test part 4 - passed
> -------------------------------------------------------------
> Harmony:
> Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundatio
> n or its licensors, as applicable.
> java version "1.5.0"
> pre-alpha : not complete or compatible
> svn = r504458, (Feb  7 2007), Windows/ia32/msvc 1310, release build
> http://incubator.apache.org/harmony
> Test part 1 - passed
> Test part 2 - passed
> Test part 3 - passed
> Test part 4 - failed

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