Class DatasetElement

java.lang.Object

org.jpos.iso.DatasetElement

public class DatasetElement
extends Object

Holds one decoded element inside a dataset.

Constructor Summary

Constructors

Constructor	Description
DatasetElement(int id, ISOComponent component)	Creates a primitive dataset element.
DatasetElement(int id, ISOComponent component, boolean constructed)	Creates a dataset element.

Method Summary

Modifier and Type	Method	Description
byte[]	getBytes()	Returns a defensive copy of the element bytes.
ISOComponent	getComponent()	Returns the backing ISO component.
int	getId()	Returns the element identifier.
Object	getValue()	Returns the component value.
boolean	isConstructed()	Indicates whether the element originated from a constructed TLV tag.

Methods inherited from class Object

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

Constructor Details

DatasetElement

public DatasetElement(int id,
 ISOComponent component)

Creates a primitive dataset element.

Parameters:

id - element identifier, either a TLV tag or DBM bit number

component - backing ISO component

DatasetElement

public DatasetElement(int id,
 ISOComponent component,
 boolean constructed)

Creates a dataset element.

Parameters:

id - element identifier, either a TLV tag or DBM bit number

component - backing ISO component

constructed - whether the source TLV tag was constructed

Method Details

getId

public int getId()

Returns the element identifier.

Returns:

element identifier

getComponent

public ISOComponent getComponent()

Returns the backing ISO component.

Returns:

ISO component

isConstructed

public boolean isConstructed()

Indicates whether the element originated from a constructed TLV tag.

Returns:

true for constructed TLV elements

getValue

public Object getValue()
                throws ISOException

Returns the component value.

Returns:

element value

Throws:

ISOException - on component access errors

getBytes

public byte[] getBytes()
                throws ISOException

Returns a defensive copy of the element bytes.

Returns:

encoded element value bytes, or null

Throws:

ISOException - on component access errors