org.jpos.iso
Class NullPadder

java.lang.Object
  org.jpos.iso.NullPadder

All Implemented Interfaces:

Padder

public class NullPadder
extends Object
implements Padder

The NullPadder does not pad. It is a utility class to use Null Object pattern.

Version:

$Revision$ $Date$

Author:

joconnor

Field Summary

static NullPadder

INSTANCE The only instance you need

Constructor Summary

NullPadder()

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final NullPadder INSTANCE

The only instance you need

Constructor Detail

NullPadder

public NullPadder()

Method Detail

pad

public String pad(String data,
                  int maxLength)

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.

See Also:

org.jpos.iso.Padder#pad(java.lang.String, int, char)

unpad

public String unpad(String paddedData)

(non-Javadoc)

Specified by:

unpad in interface Padder

Parameters:

paddedData - The string to unpad.

Returns:

The unpadded string.

See Also:

org.jpos.iso.Padder#unpad(java.lang.String, char)