Class LeftPadder

java.lang.Object

org.jpos.iso.LeftPadder

All Implemented Interfaces:

Padder

public class LeftPadder
extends Object
implements Padder

Implements the Padder interface for padding strings and byte arrays on the left.

Field Summary

Fields

Modifier and Type	Field	Description
static final LeftPadder	ZERO_PADDER	A padder for padding zeros on the left.

Constructor Summary

Constructors

Constructor	Description
LeftPadder(char pad)	Creates a Left Padder with a specific pad character.

Method Summary

Modifier and Type	Method	Description
String	pad(String data, int maxLength)	Returns a padded string upto a maximum length.
String	unpad(String paddedData)	(non-Javadoc)

Methods inherited from class Object

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

Field Details

ZERO_PADDER

public static final LeftPadder ZERO_PADDER

A padder for padding zeros on the left. This is very common in numeric fields.

Constructor Details

LeftPadder

public LeftPadder(char pad)

Creates a Left Padder with a specific pad character.

Parameters:

pad - The padding character. For binary padders, the pad character is truncated to lower order byte.

Method Details

pad

public String pad(String data,
 int maxLength)
           throws ISOException

Description copied from interface: Padder

Returns a padded string upto a maximum length. If the data is longer than maxLength, then the data is truncated.

Specified by:

pad in interface Padder

Parameters:

data - The string to pad.

maxLength - The maximum length of the padded string.

Returns:

A padded string.

Throws:

ISOException - on error

unpad

public String unpad(String paddedData)

(non-Javadoc)

Specified by:

unpad in interface Padder

Parameters:

paddedData - The string to unpad.

Returns:

The unpadded string.