01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: 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.ObjectContainer;
26: import com.db4o.internal.ReflectException;
27: import com.db4o.reflect.jdk.JdkReflector;
28:
29: /**
30: * @exclude
31: *
32: * @sharpen.ignore
33: */
34: public class TSerializable implements ObjectConstructor {
35:
36: public Object onStore(ObjectContainer con, Object object) {
37: try {
38: ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
39: ObjectOutputStream out = new ObjectOutputStream(byteStream);
40: out.writeObject(object);
41: return byteStream.toByteArray();
42: } catch (IOException e) {
43: throw new ReflectException(e);
44: }
45: }
46:
47: public void onActivate(ObjectContainer con, Object object,
48: Object members) {
49: // do nothing
50: }
51:
52: public Object onInstantiate(final ObjectContainer con,
53: Object storedObject) {
54: try {
55: ObjectInputStream inStream = new ObjectInputStream(
56: new ByteArrayInputStream((byte[]) storedObject)) {
57: protected Class resolveClass(ObjectStreamClass v)
58: throws IOException, ClassNotFoundException {
59: return JdkReflector.toNative(con.ext().reflector()
60: .forName(v.getName()));
61: }
62: };
63: Object in = inStream.readObject();
64: return in;
65: } catch (IOException e) {
66: throw new ReflectException(e);
67: } catch (ClassNotFoundException e) {
68: throw new ReflectException(e);
69: }
70: }
71:
72: public Class storedClass() {
73: return byte[].class;
74: }
75: }
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