01: //The contents of this file are subject to the Mozilla Public License Version 1.1
02: //(the "License"); you may not use this file except in compliance with the
03: //License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
04: //
05: //Software distributed under the License is distributed on an "AS IS" basis,
06: //WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
07: //for the specific language governing rights and
08: //limitations under the License.
09: //
10: //The Original Code is "The Columba Project"
11: //
12: //The Initial Developers of the Original Code are Frederik Dietz and Timo Stich.
13: //Portions created by Frederik Dietz and Timo Stich are Copyright (C) 2003.
14: //
15: //All Rights Reserved.
16: package org.columba.core.base;
17:
18: public class BooleanCompressor {
19: public static int compress(Boolean[] input) {
20: int result = 0;
21:
22: for (int i = 0; i < input.length; i++) {
23: if (input[i].booleanValue()) {
24: result |= (1 << i);
25: }
26: }
27:
28: return result;
29: }
30:
31: public static Boolean decompress(int input, int index) {
32: if (((input >> index) & 1) == 1) {
33: return Boolean.TRUE;
34: }
35: return Boolean.FALSE;
36: }
37: }
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