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/************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
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);
}
}
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