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.

Field Summary

Fields

Modifier and Type	Field	Description
static final NullPadder	INSTANCE	The only instance you need

Constructor Summary

Constructors

Constructor	Description
NullPadder()

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

INSTANCE

public static final NullPadder INSTANCE

The only instance you need

Constructor Details

NullPadder

public NullPadder()

Method Details

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.

unpad

public String unpad(String paddedData)

(non-Javadoc)

Specified by:

unpad in interface Padder

Parameters:

paddedData - The string to unpad.

Returns:

The unpadded string.