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.internal.handlers.net;
22:
23: import java.math.*;
24:
25: import com.db4o.internal.*;
26:
27: /**
28: * @exclude
29: * @sharpen.ignore
30: */
31: public class NetULong extends NetSimpleTypeHandler {
32:
33: private static final BigInteger ZERO = new BigInteger("0", 16);
34:
35: private final static BigInteger FACTOR = new BigInteger("100", 16);
36:
37: public NetULong(ObjectContainerBase stream) {
38: super (stream, 23, 8);
39: }
40:
41: public String toString(byte[] bytes) {
42: BigInteger val = ZERO;
43: for (int i = 0; i < 8; i++) {
44: val = val.multiply(FACTOR);
45: val = val.add(new BigInteger(String
46: .valueOf(bytes[i] & 0xff), 10));
47: }
48: return val.toString(10);
49: }
50: }
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