blob: 55e33f891bb7516214a7b7ebdf1917aa1331cb33 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
package org.openoffice.xmerge.converter.palm;
/**
* Contains common static methods and constants for use within the package.
*
* @author Herbie Ong
*/
public final class PdbUtil {
/** Difference in seconds from Jan 01, 1904 to Jan 01, 1970. */
final static long TIME_DIFF = 2082844800;
/** Encoding scheme used. */
final static String ENCODING = "8859_1";
/** Size of a PDB header in bytes. */
final static int HEADER_SIZE = 78;
/**
* <p>This method converts a 4 letter string into the Palm ID
* integer.</p>
*
* <p>It is normally used to convert the Palm creator ID string into
* the integer version of it. Also use for data types, etc.</p>
*
* @param s Four character <code>String</code>.
*
* @return Palm ID representing the <code>String</code>.
*
* @throws ArrayIndexOutOfBoundsException If <code>String</code>
* parameter contains less than four characters.
*/
public static int intID(String s) {
int id = -1;
int temp = 0;
// grab the first char and put it in the high bits
// note that we only want 8 lower bits of it.
temp = (int) s.charAt(0);
id = temp << 24;
// grab the second char and add it in.
temp = ((int) s.charAt(1)) & 0x00ff;
id += temp << 16;
// grab the second char and add it in.
temp = ((int) s.charAt(2)) & 0x00ff;
id += temp << 8;
// grab the last char and add it in
id += ((int) s.charAt(3)) & 0x00ff;
return id;
}
/**
* This method converts an integer into a <code>String</code>
* given the Palm ID format.
*
* @param i Palm ID.
*
* @return <code>String</code> representation.
*/
public static String stringID(int i) {
char ch[] = new char[4];
ch[0] = (char) (i >>> 24);
ch[1] = (char) ((i >> 16) & 0x00ff);
ch[2] = (char) ((i >> 8) & 0x00ff);
ch[3] = (char) (i & 0x00ff);
return new String(ch);
}
}
|
