Class IFTA_LLNUM

java.lang.Object

org.jpos.iso.ISOFieldPackager

org.jpos.iso.ISOStringFieldPackager

org.jpos.iso.IFA_LLNUM

org.jpos.tlv.packager.IFTA_LLNUM

All Implemented Interfaces:

TaggedFieldPackager

public class IFTA_LLNUM
extends IFA_LLNUM
implements TaggedFieldPackager

ISOFieldPackager for a 2-digit ASCII-length-prefixed numeric tagged field.

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

Method Summary

Modifier and Type	Method	Description
ISOComponent	createComponent(int fieldNumber)	Creates an ISOComponent instance appropriate for this packager.
protected ISOFieldPackager	getTagPackager()	Returns the packager used to pack/unpack the tag field.
String	getToken()	Returns the tag token for this packager.
byte[]	pack(ISOComponent c)	Convert the component into a byte[].
void	pack(ISOComponent c, ObjectOutput out)	Packs the component to an ObjectOutput stream.
protected byte[]	packTag(ISOComponent c)	Packs the tag portion of the tagged field.
void	setToken(String token)	Sets the tag token for this packager.
int	unpack(ISOComponent c, byte[] b, int offset)	Unpacks the byte array into the component.
void	unpack(ISOComponent c, InputStream in)	Unpack the input stream into the component.
protected int	unpackTag(ISOComponent c, byte[] tagBytes, int offset)	Unpacks the tag from a byte array.
protected void	unpackTag(ISOComponent c, InputStream in)	Unpacks the tag from an InputStream.

Methods inherited from class IFA_LLNUM

setLength

Modifier and Type	Method	Description
void	setLength(int len)	Sets the maximum field length.

Methods inherited from class ISOStringFieldPackager

checkLength, getMaxPackedLength, setInterpreter, setPadder, setPrefixer, setTrim

Modifier and Type	Method	Description
protected void	checkLength(int len, int maxLength)	Checks the length of the data against the maximum, and throws an IllegalArgumentException.
int	getMaxPackedLength()	Returns the prefixer's packed length and the interpreter's packed length.
void	setInterpreter(Interpreter interpreter)	Sets the Interpreter.
void	setPadder(Padder padder)	Sets the Padder.
void	setPrefixer(Prefixer prefixer)	Sets the length prefixer.
void	setTrim(boolean trim)	Enables or disables trimming for this field.

Methods inherited from class ISOFieldPackager

getDescription, getLength, readBytes, setDescription, setPad

Modifier and Type	Method	Description
String	getDescription()	Returns the field description.
int	getLength()	Returns the maximum field length.
protected byte[]	readBytes(InputStream in, int l)	Reads exactly l bytes from the input stream.
void	setDescription(String description)	Sets the field description.
void	setPad(boolean pad)	Enables or disables padding for this field.

Methods inherited from class Object

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

Constructor Details

IFTA_LLNUM

public IFTA_LLNUM()

Default constructor.

IFTA_LLNUM

public IFTA_LLNUM(int len,
 String description)

Constructs a packager with the given length and description.

Parameters:

len - field length

description - field description

Method Details

createComponent

public ISOComponent createComponent(int fieldNumber)

Description copied from class: ISOFieldPackager

Creates an ISOComponent instance appropriate for this packager.

Overrides:

createComponent in class ISOFieldPackager

Parameters:

fieldNumber - the field number to assign to the new component

Returns:

a new ISOComponent

setToken

public void setToken(String token)

Description copied from interface: TaggedFieldPackager

Sets the tag token for this packager.

Specified by:

setToken in interface TaggedFieldPackager

Parameters:

token - the tag token

getToken

public String getToken()

Description copied from interface: TaggedFieldPackager

Returns the tag token for this packager.

Specified by:

getToken in interface TaggedFieldPackager

Returns:

the tag token

getTagPackager

protected ISOFieldPackager getTagPackager()

Returns the packager used to pack/unpack the tag field.

Returns:

the tag packager

packTag

protected byte[] packTag(ISOComponent c)
                  throws ISOException

Packs the tag portion of the tagged field.

Parameters:

c - the ISO component

Returns:

packed tag bytes

Throws:

ISOException - on pack error

unpackTag

protected int unpackTag(ISOComponent c,
 byte[] tagBytes,
 int offset)
                 throws ISOException

Unpacks the tag from a byte array.

Parameters:

c - the ISO component

tagBytes - byte array containing tag data

offset - starting offset

Returns:

number of bytes consumed

Throws:

ISOException - on unpack error

unpackTag

protected void unpackTag(ISOComponent c,
 InputStream in)
                  throws ISOException,
IOException

Unpacks the tag from an InputStream.

Parameters:

c - the ISO component

in - the input stream

Throws:

ISOException - on unpack error

IOException - on I/O error

pack

public byte[] pack(ISOComponent c)
            throws ISOException

Description copied from class: ISOStringFieldPackager

Convert the component into a byte[].

Overrides:

pack in class ISOStringFieldPackager

Parameters:

c - - a component

Returns:

byte array representation of component

Throws:

ISOException - on pack/unpack error

unpack

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

Description copied from class: ISOStringFieldPackager

Unpacks the byte array into the component.

Overrides:

unpack in class ISOStringFieldPackager

Parameters:

c - The component to unpack into.

b - The byte array to unpack.

offset - The index in the byte array to start unpacking from.

Returns:

The number of bytes consumed unpacking the component.

Throws:

ISOException - on unpacking error

unpack

public void unpack(ISOComponent c,
 InputStream in)
            throws IOException,
ISOException

Description copied from class: ISOStringFieldPackager

Unpack the input stream into the component.

Overrides:

unpack in class ISOStringFieldPackager

Parameters:

c - The Component to unpack into.

in - Input stream where the packed bytes come from.

Throws:

IOException - Thrown if there's a problem reading the input stream.

ISOException - on unpacking error

pack

public void pack(ISOComponent c,
 ObjectOutput out)
          throws IOException,
ISOException

Description copied from class: ISOFieldPackager

Packs the component to an ObjectOutput stream.

Overrides:

pack in class ISOFieldPackager

Parameters:

c - - the Component to pack

out - - output stream

Throws:

IOException - on I/O failure

ISOException - on packing error