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Java > Open Source Codes > db4ounit > Printable


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 db4ounit;
22
23 import java.io.IOException JavaDoc;
24 import java.io.StringWriter JavaDoc;
25 import java.io.Writer JavaDoc;
26
27 public abstract class Printable {
28
29     public String JavaDoc toString() {
30         StringWriter JavaDoc writer = new StringWriter JavaDoc();
31         try {
32             print(writer);
33         } catch (IOException JavaDoc e) {
34         }
35         return writer.toString();
36     }
37     
38     public abstract void print(Writer JavaDoc writer) throws IOException JavaDoc;
39
40 }
41
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