01: /*
02: Copyright (c) 2006, Matthew Estes
03: All rights reserved.
04:
05: Redistribution and use in source and binary forms, with or without
06: modification, are permitted provided that the following conditions are met:
07:
08: * Redistributions of source code must retain the above copyright
09: notice, this list of conditions and the following disclaimer.
10: * Redistributions in binary form must reproduce the above copyright
11: notice, this list of conditions and the following disclaimer in the
12: documentation and/or other materials provided with the distribution.
13: * Neither the name of Metanotion Software nor the names of its
14: contributors may be used to endorse or promote products derived from this
15: software without specific prior written permission.
16:
17: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18: IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
19: THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20: PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
21: CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22: EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23: PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24: PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25: LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26: NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27: SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28: */
29: package net.metanotion.io.data;
30:
31: import net.metanotion.io.Serializer;
32:
33: public class LongBytes implements Serializer {
34: public byte[] getBytes(Object o) {
35: byte[] b = new byte[8];
36: long v = ((Long) o).longValue();
37: b[0] = (byte) (0xff & (v >> 56));
38: b[1] = (byte) (0xff & (v >> 48));
39: b[2] = (byte) (0xff & (v >> 40));
40: b[3] = (byte) (0xff & (v >> 32));
41: b[4] = (byte) (0xff & (v >> 24));
42: b[5] = (byte) (0xff & (v >> 16));
43: b[6] = (byte) (0xff & (v >> 8));
44: b[7] = (byte) (0xff & v);
45: return b;
46: }
47:
48: public Object construct(byte[] b) {
49: long v = (((long) (b[0] & 0xff) << 56)
50: | ((long) (b[1] & 0xff) << 48)
51: | ((long) (b[2] & 0xff) << 40)
52: | ((long) (b[3] & 0xff) << 32)
53: | ((long) (b[4] & 0xff) << 24)
54: | ((long) (b[5] & 0xff) << 16)
55: | ((long) (b[6] & 0xff) << 8) | ((long) (b[7] & 0xff)));
56: return new Long(v);
57: }
58: }
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