01: /**
02: * JDBM LICENSE v1.00
03: *
04: * Redistribution and use of this software and associated documentation
05: * ("Software"), with or without modification, are permitted provided
06: * that the following conditions are met:
07: *
08: * 1. Redistributions of source code must retain copyright
09: * statements and notices. Redistributions must also contain a
10: * copy of this document.
11: *
12: * 2. Redistributions in binary form must reproduce the
13: * above copyright notice, this list of conditions and the
14: * following disclaimer in the documentation and/or other
15: * materials provided with the distribution.
16: *
17: * 3. The name "JDBM" must not be used to endorse or promote
18: * products derived from this Software without prior written
19: * permission of Cees de Groot. For written permission,
20: * please contact cg@cdegroot.com.
21: *
22: * 4. Products derived from this Software may not be called "JDBM"
23: * nor may "JDBM" appear in their names without prior written
24: * permission of Cees de Groot.
25: *
26: * 5. Due credit should be given to the JDBM Project
27: * (http://jdbm.sourceforge.net/).
28: *
29: * THIS SOFTWARE IS PROVIDED BY THE JDBM PROJECT AND CONTRIBUTORS
30: * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
31: * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
32: * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
33: * CEES DE GROOT OR ANY CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
34: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
35: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
36: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
38: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
39: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
40: * OF THE POSSIBILITY OF SUCH DAMAGE.
41: *
42: * Copyright 2001 (C) Alex Boisvert. All Rights Reserved.
43: * Contributions are Copyright (C) 2001 by their associated contributors.
44: *
45: */package jdbm.helper;
46:
47: import java.io.IOException;
48:
49: /**
50: * Optimized serializer for long integers.
51: *
52: * @author <a href="mailto:boisvert@intalio.com">Alex Boisvert</a>
53: * @version $Id: LongSerializer.java,v 1.2 2003/09/21 15:47:00 boisvert Exp $
54: */
55: public class LongSerializer implements Serializer {
56:
57: public static final LongSerializer INSTANCE = new LongSerializer();
58:
59: /**
60: * Construct a LongSerializer.
61: */
62: public LongSerializer() {
63: // no op
64: }
65:
66: /**
67: * Serialize the content of an object into a byte array.
68: *
69: * @param obj Object to serialize
70: * @return a byte array representing the object's state
71: */
72: public byte[] serialize(Object obj) throws IOException {
73: Long number = (Long) obj;
74: return Conversion.convertToByteArray(number.longValue());
75: }
76:
77: /**
78: * Deserialize the content of an object from a byte array.
79: *
80: * @param serialized Byte array representation of the object
81: * @return deserialized object
82: */
83: public Object deserialize(byte[] serialized) throws IOException {
84: long number = Conversion.convertToLong(serialized);
85: return new Long(number);
86: }
87:
88: }
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