com.bankframe.ei.txnhandler.dataformat
Class DataFormatUtils

java.lang.Object
  com.bankframe.ei.txnhandler.dataformat.DataFormatUtils

public class DataFormatUtils
extends Object

This class is a utility class providing common methods for manipulating numerical data in Cobol and hex formats

Field Summary

static char	CHAR_MINUS
static char	CHAR_PERIOD
static char	CHAR_PLUS
static byte	INTEGER
static byte	SHORT

Constructor Summary

DataFormatUtils()
This method is the default constructor for the DataFormatUtils class.

Method Summary

static String	asciiToString(byte[] ascii) This method converts an ASCII string to java.lang.String format
static String	cobolNumberToString(byte[] input, String fieldEncoding, boolean isSigned, int decBefore, int decAfter) This method converts a Cobol number in the byte array into a text String using the specified encoding.
static String	comp3ToString(byte[] input, int numWholeDigits, int numFractionalDigits) This method converts an COBOL COMP3 number to java.lang.String format
static String	compToString(byte[] input) This method converts an COBOL COMP number to java.lang.String format
static String	ebcdicToString(byte[] ebcdic) This method converts an EBCDIC string to java.lang.String format
static byte[]	hexStringToBytes(String input) This method converts a hex String representation to byte array
static boolean	isSigned(String sign) This method determines if the given string flag indicates a signed number has been specified.
static boolean	padRight(String fillAlignment) This method determines if the given string flag indicates right-padding has been specified.
static String	standardToString(byte[] input, int numWholeDigits, int numFractionalDigits) This method converts a COBOL standard number to java.lang.String format
static byte[]	subset(byte[] data, int startIndex, int endIndex) This method gets a subset of the specified byte array
static byte[]	toAscii(String input) This method converts an java.lang.String to ascii bytes
static byte[]	toCobolNumber(String input, String fieldEncoding, boolean isSigned, int decBefore, int decAfter) This method converts a number into a Cobol number in a byte array using the specified encoding.
static byte[]	toComp(String input, boolean signed, int inputSize) This method converts a numerical string to a COBOL COMP number
static byte[]	toComp3(String input, boolean signed, int maxWholeDigits, int maxFractionalDigits) This method converts a numerical string to COBOL COMP3
static byte[]	toEbcdic(String input) This method converts a string to EBCDIC encoding
static void	toHex(byte[] input, StringBuffer buffer) This method creates a hex representation of the given byte array.
static void	toHex(byte input, StringBuffer buffer) This method creates a hex representation of the given byte
static void	toHex(int input, StringBuffer buffer) This method creates a hex representation of the given integer.
static String	toHexDump(byte[] input) This method produces a hex dump of the specified byte array
static String	toHexString(byte input) This method creates a hex representation of the given byte
static String	toHexString(byte[] input) This method creates a hex representation of the given byte array.
static String	toHexString(int input) This method creates a hex representation of the given integer.
static byte[]	toStandard(String input, boolean signed, int maxWholeDigits, int maxFractionalDigits) This method converts a numerical string to a COBOL standard

Methods inherited from class java.lang.Object

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

Field Detail

INTEGER

public static final byte INTEGER

See Also:

Constant Field Values

SHORT

public static final byte SHORT

See Also:

Constant Field Values

CHAR_MINUS

public static final char CHAR_MINUS

See Also:

Constant Field Values

CHAR_PLUS

public static final char CHAR_PLUS

See Also:

Constant Field Values

CHAR_PERIOD

public static final char CHAR_PERIOD

See Also:

Constant Field Values

Constructor Detail

DataFormatUtils

public DataFormatUtils()

This method is the default constructor for the DataFormatUtils class.

Method Detail

padRight

public static boolean padRight(String fillAlignment)

This method determines if the given string flag indicates right-padding has been specified.

Parameters:

fillAlignment - is the String to check

Returns:

boolean true if the String fillAlignment specifies padding the on the right, specified by the value TransactionHandlerConstants.ALIGN_RIGHT_TEXT.

isSigned

public static boolean isSigned(String sign)

This method determines if the given string flag indicates a signed number has been specified.

Parameters:

sign - is the String to check

Returns:

boolean true if the String sign has the value, 1.

cobolNumberToString

public static String cobolNumberToString(byte[] input,
                                         String fieldEncoding,
                                         boolean isSigned,
                                         int decBefore,
                                         int decAfter)

This method converts a Cobol number in the byte array into a text String using the specified encoding.

Parameters:

input - is a byte array containing a Cobol number to convert

fieldEncoding - is the encoding format of the Cobol number input; STD, COMP3, COMP, X

isSigned - indicates if the Cobol number is signed

decBefore - indicates the number of places before the decimal point

decAfter - indicates the number of places after the decimal point

Returns:

String containing converted Cobol number in text form

toCobolNumber

public static byte[] toCobolNumber(String input,
                                   String fieldEncoding,
                                   boolean isSigned,
                                   int decBefore,
                                   int decAfter)

This method converts a number into a Cobol number in a byte array using the specified encoding.

Parameters:

input - contains the number to convert into a Cobol number format

fieldEncoding - is the encoding format to use for the Cobol number; STD, COMP3, COMP, X

isSigned - indicates if the Cobol number is signed

decBefore - indicates the number of places before the decimal point

decAfter - indicates the number of places after the decimal point

Returns:

byte[] containing the Cobol number

toHex

public static void toHex(byte input,
                         StringBuffer buffer)

This method creates a hex representation of the given byte

Parameters:

input - is the byte to represent in hex

buffer - is a StringBuffer containing the hex representation of the byte

toHexString

public static String toHexString(byte input)

This method creates a hex representation of the given byte

Parameters:

input - is the byte to represent in hex

Returns:

String containing the hex representation of the byte

toHex

public static void toHex(byte[] input,
                         StringBuffer buffer)

This method creates a hex representation of the given byte array.

Parameters:

input - is the byte array to represent in hex

buffer - is a StringBuffer containing the hex representation of the byte array

toHexString

public static String toHexString(byte[] input)

This method creates a hex representation of the given byte array.

Parameters:

input - is the byte array to represent in hex

Returns:

String containing the hex representation of the byte array

toHex

public static void toHex(int input,
                         StringBuffer buffer)

This method creates a hex representation of the given integer.

Parameters:

input - is the integer to represent in hex

buffer - is a StringBuffer containing the hex representation of the integer

toHexString

public static String toHexString(int input)

This method creates a hex representation of the given integer.

Parameters:

input - is the integer to represent in hex

Returns:

String containing the hex representation of the integer

toHexDump

public static String toHexDump(byte[] input)

This method produces a hex dump of the specified byte array

Parameters:

input - is the byte[] to create a hex dump from

Returns:

String hex dump

hexStringToBytes

public static byte[] hexStringToBytes(String input)

This method converts a hex String representation to byte array

Parameters:

input - is the hex String

Returns:

is the created byte array

toEbcdic

public static byte[] toEbcdic(String input)

This method converts a string to EBCDIC encoding

Parameters:

input - is String to convert

Returns:

EBCDIC byte array

toAscii

public static byte[] toAscii(String input)

This method converts an java.lang.String to ascii bytes

Parameters:

input - is String to convert

Returns:

ascii byte array

asciiToString

public static String asciiToString(byte[] ascii)

This method converts an ASCII string to java.lang.String format

Parameters:

ascii - byte array

Returns:

String

ebcdicToString

public static String ebcdicToString(byte[] ebcdic)

This method converts an EBCDIC string to java.lang.String format

Parameters:

ebcdic - byte array to convert

Returns:

String representation of the EBCDIC data

compToString

public static String compToString(byte[] input)

This method converts an COBOL COMP number to java.lang.String format

Parameters:

input - is a Cobol number byte array

Returns:

Cobol number converted to a String

toComp

public static byte[] toComp(String input,
                            boolean signed,
                            int inputSize)

This method converts a numerical string to a COBOL COMP number

Parameters:

input - is the numerical string

signed - indicates if the number is signed

inputSize - indicates the size of the Cobol number

Returns:

Cobol number byte array

comp3ToString

public static String comp3ToString(byte[] input,
                                   int numWholeDigits,
                                   int numFractionalDigits)

This method converts an COBOL COMP3 number to java.lang.String format

Parameters:

input - is the Cobol byte array

numWholeDigits - is the number of places before decimal point

numFractionalDigits - is the number of places after decimal point

Returns:

Cobol number as a numerical String

toComp3

public static byte[] toComp3(String input,
                             boolean signed,
                             int maxWholeDigits,
                             int maxFractionalDigits)

This method converts a numerical string to COBOL COMP3

Parameters:

input - is the numerical string

signed - indicates if the number is signed

maxWholeDigits - is the number of places before decimal point

maxFractionalDigits - is the number of places after decimal point

Returns:

Cobol number byte array

standardToString

public static String standardToString(byte[] input,
                                      int numWholeDigits,
                                      int numFractionalDigits)

This method converts a COBOL standard number to java.lang.String format

Parameters:

input - is the Cobol byte array

numWholeDigits - is the number of places before decimal point

numFractionalDigits - is the number of places after decimal point

Returns:

Cobol number as a numerical String

toStandard

public static byte[] toStandard(String input,
                                boolean signed,
                                int maxWholeDigits,
                                int maxFractionalDigits)

This method converts a numerical string to a COBOL standard

Parameters:

input - is the numerical string

signed - indicates if the number is signed

maxWholeDigits - is the number of places before decimal point

maxFractionalDigits - is the number of places after decimal point

Returns:

Cobol number byte array

subset

public static byte[] subset(byte[] data,
                            int startIndex,
                            int endIndex)

This method gets a subset of the specified byte array

Parameters:

data - is the byte array to get a subset of

startIndex - is the start index of the required subset

endIndex - is the end index of the required subset

Returns:

byte array subset