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Java > Open Source Codes > com > db4o > config > TSerializable


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10 Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11 Suite 350, San Mateo, CA 94403, USA.
12
13 db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 package com.db4o.config;
22
23 import java.io.*;
24
25 import com.db4o.*;
26
27 /**
28  * @exclude
29  *
30  * @sharpen.ignore
31  */
32 public class TSerializable implements ObjectConstructor {
33     
34     public Object JavaDoc onStore(ObjectContainer con, Object JavaDoc object){
35         try{
36             ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
37             new ObjectOutputStream(byteStream).writeObject(object);
38             return byteStream.toByteArray();
39         }catch (Exception JavaDoc e){}
40         return null;
41     }
42
43     public void onActivate(ObjectContainer con, Object JavaDoc object, Object JavaDoc members){
44         // do nothing
45 }
46
47     public Object JavaDoc onInstantiate(ObjectContainer con, Object JavaDoc storedObject){
48         try{
49             Object JavaDoc in = new ObjectInputStream(
50               new ByteArrayInputStream((byte[])storedObject)).readObject();
51             return in;
52         }catch(Exception JavaDoc e){}
53         return null;
54     }
55
56     public Class JavaDoc storedClass(){
57         return byte[].class;
58     }
59 }
60
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