org.jpos.iso

Class LeftPadder

java.lang.Object

org.jpos.iso.LeftPadder

All Implemented Interfaces:

Padder

public class LeftPadder
extends java.lang.Object
implements Padder

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

Field Summary

Fields

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

Constructor Summary

Constructors

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

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

ZERO_PADDER

public static final LeftPadder ZERO_PADDER

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

Constructor Detail

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 Detail

pad

public java.lang.String pad(java.lang.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 java.lang.String unpad(java.lang.String paddedData)

(non-Javadoc)

Specified by:

unpad in interface Padder

Parameters:

paddedData - The string to unpad.

Returns:

The unpadded string.