dk.vajhoej.record

Class BCDUtil

java.lang.Object

dk.vajhoej.record.BCDUtil

public class BCDUtil
extends java.lang.Object

Class TimeUtil converts between bytes with Binary Coded Decimals ant BigDecimal objects.

Field Summary

Fields

Modifier and Type	Field and Description
static byte	ASCII ASCII zone nibble.
static byte	EBCDIC EBCDIC zone nibble.
static byte	ZERO Zero zone nibble.

Constructor Summary

Constructors

Constructor and Description
BCDUtil()

Method Summary

Modifier and Type	Method and Description
static java.math.BigDecimal	decodePackedBCD(byte[] b, int decimals) Convert from packed BCD to BigDecimal.
static java.math.BigDecimal	decodeZonedBCD(byte[] b, byte zone, int decimals) Convert from zoned BCD to BigDecimal.
static byte[]	encodePackedBCD(java.math.BigDecimal v, int decimals, int length) Convert from BigDecimal to packed BCD.
static byte[]	encodeZonedBCD(java.math.BigDecimal v, byte zone, int decimals, int length) Convert from BigDecimal to zoned BCD.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ZERO

public static final byte ZERO

Zero zone nibble.

See Also:

Constant Field Values

EBCDIC

public static final byte EBCDIC

EBCDIC zone nibble.

See Also:

Constant Field Values

ASCII

public static final byte ASCII

ASCII zone nibble.

See Also:

Constant Field Values

Constructor Detail

BCDUtil

public BCDUtil()

Method Detail

decodePackedBCD

public static java.math.BigDecimal decodePackedBCD(byte[] b,
                                                   int decimals)

Convert from packed BCD to BigDecimal.

Parameters:

b - bytes with packed BCD

decimals - implied decimals

Returns:

BigDecimal object

encodePackedBCD

public static byte[] encodePackedBCD(java.math.BigDecimal v,
                                     int decimals,
                                     int length)

Convert from BigDecimal to packed BCD.

Parameters:

v - BigDecimal object

decimals - implied decimals

length - length

Returns:

byte array with packed BCD

decodeZonedBCD

public static java.math.BigDecimal decodeZonedBCD(byte[] b,
                                                  byte zone,
                                                  int decimals)

Convert from zoned BCD to BigDecimal.

Parameters:

b - bytes with zoned BCD

zone - zone nibble value

decimals - implied decimals

Returns:

BigDecimal object

encodeZonedBCD

public static byte[] encodeZonedBCD(java.math.BigDecimal v,
                                    byte zone,
                                    int decimals,
                                    int length)

Convert from BigDecimal to zoned BCD.

Parameters:

v - BigDecimal object

zone - zone nibble value

decimals - implied decimals

length - length

Returns:

byte array with zoned BCD