Class IF_NOP

java.lang.Object

org.jpos.iso.ISOFieldPackager

org.jpos.iso.IF_NOP

public class IF_NOP
extends ISOFieldPackager

A no-operation ISOFieldPackager; used as a placeholder for fields that require no packing/unpacking.

See Also:

• ISOComponent
• IFA_LLNUM

Field Summary

Fields inherited from class ISOFieldPackager

pad, trim

Modifier and Type	Field	Description
protected boolean	pad	When true, values are padded to the field length.
protected boolean	trim	When true, values are trimmed before packing.

Constructor Summary

Constructors

Constructor	Description
IF_NOP()	Default constructor.
IF_NOP(int len, String description)	Constructs a packager with the given length and description.

Method Summary

Modifier and Type	Method	Description
int	getMaxPackedLength()	Returns the maximum number of bytes this packager can produce.
byte[]	pack(ISOComponent c)	Packs the given component into a byte array.
int	unpack(ISOComponent c, byte[] b, int offset)	Unpacks a field from the binary image into the given component.

Methods inherited from class ISOFieldPackager

createComponent, getDescription, getLength, pack, readBytes, setDescription, setLength, setPad, setTrim, unpack

Modifier and Type	Method	Description
ISOComponent	createComponent(int fieldNumber)	Creates an ISOComponent instance appropriate for this packager.
String	getDescription()	Returns the field description.
int	getLength()	Returns the maximum field length.
void	pack(ISOComponent c, ObjectOutput out)	Packs the component to an ObjectOutput stream.
protected byte[]	readBytes(InputStream in, int l)	Reads exactly l bytes from the input stream.
void	setDescription(String description)	Sets the field description.
void	setLength(int len)	Sets the maximum field length.
void	setPad(boolean pad)	Enables or disables padding for this field.
void	setTrim(boolean trim)	Enables or disables trimming for this field.
void	unpack(ISOComponent c, InputStream in)	Unpacks a field from an input stream into the given component.

Methods inherited from class Object

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

Constructor Details

IF_NOP

public IF_NOP()

Default constructor.

IF_NOP

public IF_NOP(int len,
 String description)

Constructs a packager with the given length and description.

Parameters:

len - - field len

description - symbolic descrption

Method Details

pack

public byte[] pack(ISOComponent c)

Description copied from class: ISOFieldPackager

Packs the given component into a byte array.

Specified by:

pack in class ISOFieldPackager

Parameters:

c - - a component

Returns:

packed component

unpack

public int unpack(ISOComponent c,
 byte[] b,
 int offset)

Description copied from class: ISOFieldPackager

Unpacks a field from the binary image into the given component.

Specified by:

unpack in class ISOFieldPackager

Parameters:

c - - the Component to unpack

b - - binary image

offset - - starting offset within the binary image

Returns:

consumed bytes

getMaxPackedLength

public int getMaxPackedLength()

Description copied from class: ISOFieldPackager

Returns the maximum number of bytes this packager can produce.

Specified by:

getMaxPackedLength in class ISOFieldPackager

Returns:

maximum packed length in bytes