01: /*
02: Copyright © 2006 Stefano Chizzolini. http://clown.stefanochizzolini.it
03:
04: Contributors:
05: * Stefano Chizzolini (original code developer, http://www.stefanochizzolini.it):
06: contributed code is Copyright © 2006 by Stefano Chizzolini.
07:
08: This file should be part of the source code distribution of "PDF Clown library"
09: (the Program): see the accompanying README files for more info.
10:
11: This Program is free software; you can redistribute it and/or modify it under
12: the terms of the GNU General Public License as published by the Free Software
13: Foundation; either version 2 of the License, or (at your option) any later version.
14:
15: This Program is distributed in the hope that it will be useful, but WITHOUT ANY
16: WARRANTY, either expressed or implied; without even the implied warranty of
17: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the License for more details.
18:
19: You should have received a copy of the GNU General Public License along with this
20: Program (see README files); if not, go to the GNU website (http://www.gnu.org/).
21:
22: Redistribution and use, with or without modification, are permitted provided that such
23: redistributions retain the above copyright notice, license and disclaimer, along with
24: this list of conditions.
25: */
26:
27: package it.stefanochizzolini.clown.objects;
28:
29: import it.stefanochizzolini.clown.bytes.IOutputStream;
30: import it.stefanochizzolini.clown.files.File;
31:
32: /**
33: Abstract PDF object.
34: */
35: public abstract class PdfObject implements Cloneable {
36: // <class>
37: // <dynamic>
38: // <constructors>
39: public PdfObject() {
40: }
41:
42: // </constructors>
43:
44: // <interface>
45: // <public>
46: /**
47: Gets the clone of the object, registered inside the given file context.
48: */
49: public abstract Object clone(File context);
50:
51: // </public>
52:
53: // <protected>
54: @Override
55: protected Object clone() {
56: try {
57: return super .clone();
58: } catch (CloneNotSupportedException e) {
59: throw new RuntimeException("Unable to clone.", e);
60: }
61: }
62:
63: // </protected>
64:
65: // <internal>
66: abstract int writeTo(IOutputStream stream);
67: // </internal>
68: // </interface>
69: // </dynamic>
70: // </class>
71: }
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