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The Open Source version of the IBM Toolbox for Java
///////////////////////////////////////////////////////////////////////////////
//
// JTOpen (IBM Toolbox for Java - OSS version)
//
// Filename: SignonConverter.java
//
// The source code contained herein is licensed under the IBM Public License
// Version 1.0, which has been approved by the Open Source Initiative.
// Copyright (C) 1997-2001 International Business Machines Corporation and
// others. All rights reserved.
//
///////////////////////////////////////////////////////////////////////////////
package com.ibm.as400.access;
// Sign-on converter maps only valid user ID and DES password characters between Unicode and EBCDIC CCSID 37. Also maps so called "special characters" where an N with tilde becomes a # character.
class SignonConverter
{
private static final String copyright = "Copyright (C) 1997-2001 International Business Machines Corporation and others.";
// No need for instances of this class.
private SignonConverter()
{
}
// Convert EBCDIC CCSID 37 to Unicode String.
static String byteArrayToString(byte[] source)
{
return new String(byteArrayToCharArray(source)).trim();
}
// Convert EBCDIC CCSID 37 to Unicode character array.
static char[] byteArrayToCharArray(byte[] source)
{
char[] returnChars = new char[10];
for (int i = 0; i < 10; ++i)
{
switch (source[i] & 0xFF)
{
case 0x40: returnChars[i] = 0x0020; break; // (SP)
case 0x5B: returnChars[i] = 0x0024; break; // $
case 0x6D: returnChars[i] = 0x005F; break; // _
case 0x7B: returnChars[i] = 0x0023; break; // #
case 0x7C: returnChars[i] = 0x0040; break; // @
case 0xC1: returnChars[i] = 0x0041; break; // A
case 0xC2: returnChars[i] = 0x0042; break; // B
case 0xC3: returnChars[i] = 0x0043; break; // C
case 0xC4: returnChars[i] = 0x0044; break; // D
case 0xC5: returnChars[i] = 0x0045; break; // E
case 0xC6: returnChars[i] = 0x0046; break; // F
case 0xC7: returnChars[i] = 0x0047; break; // G
case 0xC8: returnChars[i] = 0x0048; break; // H
case 0xC9: returnChars[i] = 0x0049; break; // I
case 0xD1: returnChars[i] = 0x004A; break; // J
case 0xD2: returnChars[i] = 0x004B; break; // K
case 0xD3: returnChars[i] = 0x004C; break; // L
case 0xD4: returnChars[i] = 0x004D; break; // M
case 0xD5: returnChars[i] = 0x004E; break; // N
case 0xD6: returnChars[i] = 0x004F; break; // O
case 0xD7: returnChars[i] = 0x0050; break; // P
case 0xD8: returnChars[i] = 0x0051; break; // Q
case 0xD9: returnChars[i] = 0x0052; break; // R
case 0xE2: returnChars[i] = 0x0053; break; // S
case 0xE3: returnChars[i] = 0x0054; break; // T
case 0xE4: returnChars[i] = 0x0055; break; // U
case 0xE5: returnChars[i] = 0x0056; break; // V
case 0xE6: returnChars[i] = 0x0057; break; // W
case 0xE7: returnChars[i] = 0x0058; break; // X
case 0xE8: returnChars[i] = 0x0059; break; // Y
case 0xE9: returnChars[i] = 0x005A; break; // Z
case 0xF0: returnChars[i] = 0x0030; break; // 0
case 0xF1: returnChars[i] = 0x0031; break; // 1
case 0xF2: returnChars[i] = 0x0032; break; // 2
case 0xF3: returnChars[i] = 0x0033; break; // 3
case 0xF4: returnChars[i] = 0x0034; break; // 4
case 0xF5: returnChars[i] = 0x0035; break; // 5
case 0xF6: returnChars[i] = 0x0036; break; // 6
case 0xF7: returnChars[i] = 0x0037; break; // 7
case 0xF8: returnChars[i] = 0x0038; break; // 8
case 0xF9: returnChars[i] = 0x0039; break; // 9
default: throw new ExtendedIllegalArgumentException("source", ExtendedIllegalArgumentException.SIGNON_CHAR_NOT_VALID);
}
}
return returnChars;
}
// Convert Unicode string to EBCID CCSID 37 byte array.
static byte[] stringToByteArray(String source) throws AS400SecurityException
{
char[] sourceChars = source.toCharArray();
byte[] returnBytes = {(byte)0x40, (byte)0x40, (byte)0x40, (byte)0x40, (byte)0x40, (byte)0x40, (byte)0x40, (byte)0x40, (byte)0x40, (byte)0x40};
for (int i = 0; i < sourceChars.length; ++i)
{
switch (sourceChars[i])
{
case 0x0023: returnBytes[i] = (byte)0x7B; break; // #
case 0x0024: returnBytes[i] = (byte)0x5B; break; // $
case 0x0030: returnBytes[i] = (byte)0xF0; break; // 0
case 0x0031: returnBytes[i] = (byte)0xF1; break; // 1
case 0x0032: returnBytes[i] = (byte)0xF2; break; // 2
case 0x0033: returnBytes[i] = (byte)0xF3; break; // 3
case 0x0034: returnBytes[i] = (byte)0xF4; break; // 4
case 0x0035: returnBytes[i] = (byte)0xF5; break; // 5
case 0x0036: returnBytes[i] = (byte)0xF6; break; // 6
case 0x0037: returnBytes[i] = (byte)0xF7; break; // 7
case 0x0038: returnBytes[i] = (byte)0xF8; break; // 8
case 0x0039: returnBytes[i] = (byte)0xF9; break; // 9
case 0x0040: returnBytes[i] = (byte)0x7C; break; // @
case 0x0041: returnBytes[i] = (byte)0xC1; break; // A
case 0x0042: returnBytes[i] = (byte)0xC2; break; // B
case 0x0043: returnBytes[i] = (byte)0xC3; break; // C
case 0x0044: returnBytes[i] = (byte)0xC4; break; // D
case 0x0045: returnBytes[i] = (byte)0xC5; break; // E
case 0x0046: returnBytes[i] = (byte)0xC6; break; // F
case 0x0047: returnBytes[i] = (byte)0xC7; break; // G
case 0x0048: returnBytes[i] = (byte)0xC8; break; // H
case 0x0049: returnBytes[i] = (byte)0xC9; break; // I
case 0x004A: returnBytes[i] = (byte)0xD1; break; // J
case 0x004B: returnBytes[i] = (byte)0xD2; break; // K
case 0x004C: returnBytes[i] = (byte)0xD3; break; // L
case 0x004D: returnBytes[i] = (byte)0xD4; break; // M
case 0x004E: returnBytes[i] = (byte)0xD5; break; // N
case 0x004F: returnBytes[i] = (byte)0xD6; break; // O
case 0x0050: returnBytes[i] = (byte)0xD7; break; // P
case 0x0051: returnBytes[i] = (byte)0xD8; break; // Q
case 0x0052: returnBytes[i] = (byte)0xD9; break; // R
case 0x0053: returnBytes[i] = (byte)0xE2; break; // S
case 0x0054: returnBytes[i] = (byte)0xE3; break; // T
case 0x0055: returnBytes[i] = (byte)0xE4; break; // U
case 0x0056: returnBytes[i] = (byte)0xE5; break; // V
case 0x0057: returnBytes[i] = (byte)0xE6; break; // W
case 0x0058: returnBytes[i] = (byte)0xE7; break; // X
case 0x0059: returnBytes[i] = (byte)0xE8; break; // Y
case 0x005A: returnBytes[i] = (byte)0xE9; break; // Z
case 0x005F: returnBytes[i] = (byte)0x6D; break; // _
case 0x00A3: returnBytes[i] = (byte)0x7B; break; // Cp423, pound sterling.
case 0x00A5: returnBytes[i] = (byte)0x5B; break; // Cp281, yen sign.
case 0x00A7: returnBytes[i] = (byte)0x7C; break; // Cp273, section sign.
case 0x00C4: returnBytes[i] = (byte)0x7B; break; // Cp278, A with dieresis.
case 0x00C5: returnBytes[i] = (byte)0x5B; break; // Cp277, A with ring.
case 0x00C6: returnBytes[i] = (byte)0x7B; break; // Cp277, ligature AE.
case 0x00D0: returnBytes[i] = (byte)0x7C; break; // Cp871, D with stroke.
case 0x00D1: returnBytes[i] = (byte)0x7B; break; // Cp284, N with tilde.
case 0x00D6: returnBytes[i] = (byte)0x7C; break; // Cp278, O with dieresis.
case 0x00D8: returnBytes[i] = (byte)0x7C; break; // Cp277, O with stroke.
case 0x00E0: returnBytes[i] = (byte)0x7C; break; // Cp297, a with grave.
case 0x0130: returnBytes[i] = (byte)0x5B; break; // Cp905, I with over dot.
case 0x015E: returnBytes[i] = (byte)0x7C; break; // Cp905, S with cedilla.
default: throw new AS400SecurityException(AS400SecurityException.SIGNON_CHAR_NOT_VALID);
}
}
return returnBytes;
}
}
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