org.jpos.iso
Class ISOMsg

java.lang.Object
  org.jpos.iso.ISOComponent
      org.jpos.iso.ISOMsg

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, Loggeable

Direct Known Subclasses:

FSDISOMsg, ISOVMsg

public class ISOMsg
extends ISOComponent
implements Cloneable, Loggeable, Externalizable

implements Composite whithin a Composite pattern

Version:

$Id$

Author:

apr@cs.com.uy

See Also:

ISOComponent, ISOField, Serialized Form

Field Summary

protected int	direction
protected boolean	dirty
protected int	fieldNumber
protected Map<Integer,Object>	fields
protected ISOHeader	header
static int	INCOMING
protected int	maxField
protected boolean	maxFieldDirty
static int	OUTGOING
protected ISOPackager	packager

Constructor Summary

ISOMsg()
Creates an ISOMsg

ISOMsg(int fieldNumber)
Creates a nested ISOMsg

ISOMsg(String mti)
Creates an ISOMsg with given mti

Method Summary

Object	clone()
Object	clone(int[] fields) Partially clone an ISOMsg
void	dump(PrintStream p, String indent) dump the message to a PrintStream.
byte[]	getBytes(int fldno) Return the byte[] value associated with the given ISOField number
byte[]	getBytes(String fpath) Return the String value associated with the given field path
Map	getChildren() clone fields
ISOComponent	getComponent(int fldno) get the component associated with the given field number
ISOComponent	getComponent(String fpath) get the component associated with the given field number
ISOComponent	getComposite() In order to interchange Composites and Leafs we use getComposite().
int	getDirection()
byte[]	getHeader() get optional message header image
ISOHeader	getISOHeader() Return this messages ISOHeader
Object	getKey() valid on Leafs only.
int	getMaxField() a Composite must override this function
String	getMTI()
ISOPackager	getPackager()
ISOSource	getSource()
String	getString(int fldno) Return the String value associated with the given ISOField number
String	getString(String fpath) Return the String value associated with the given field path
Object	getValue() valid on Leafs only.
Object	getValue(int fldno) Return the object value associated with the given field number
Object	getValue(String fpath) Return the object value associated with the given field path
boolean	hasField(int fldno) Check if a given field is present
boolean	hasField(String fpath) Check if a field indicated by a fpath is present
boolean	hasFields()
boolean	hasFields(int[] fields) Check if all fields are present
boolean	isIncoming()
boolean	isInner()
boolean	isOutgoing()
boolean	isRequest()
boolean	isResponse()
boolean	isRetransmission()
void	merge(ISOMsg m) add all fields present on received parameter to this ISOMsg please note that received fields take precedence over existing ones (simplifying card agent message creation and template handling)
void	move(int oldFieldNumber, int newFieldNumber) moves a field (renumber)
byte[]	pack() pack the message with the current packager
protected void	readDirection(ObjectInput in)
void	readExternal(ObjectInput in)
protected void	readHeader(ObjectInput in)
protected void	readPackager(ObjectInput in)
void	recalcBitMap() setup BitMap
void	set(int fldno, byte[] value) Creates an ISOBinaryField associated with fldno within this ISOMsg
void	set(int fldno, String value) Creates an ISOField associated with fldno within this ISOMsg
void	set(ISOComponent c) Set a field within this message
void	set(String fpath, byte[] value) Creates an ISOField associated with fldno within this ISOMsg
void	set(String fpath, ISOComponent c) Creates an ISOField associated with fldno within this ISOMsg
void	set(String fpath, String value) Creates an ISOField associated with fldno within this ISOMsg
void	setDirection(int direction) Sets the direction information related to this message
void	setFieldNumber(int fieldNumber) changes this Component field number Use with care, this method does not change any reference held by a Composite.
void	setHeader(byte[] b) Sets an optional message header image
void	setHeader(ISOHeader header)
void	setMTI(String mti)
void	setPackager(ISOPackager p)
void	setResponseMTI() sets an appropiate response MTI.
void	setRetransmissionMTI() sets an appropiate retransmission MTI
void	setSource(ISOSource source) Let this ISOMsg object hold a weak reference to an ISOSource (usually used to carry a reference to the incoming ISOChannel)
void	setValue(Object obj) Don't call setValue on an ISOMsg.
String	toString()
int	unpack(byte[] b) unpack a message
void	unpack(InputStream in)
void	unset(int fldno) Unset a field if it exists, otherwise ignore.
void	unset(int[] flds) Unsets several fields at once
void	unset(String fpath) Unset a field referenced by a fpath if it exists, otherwise ignore.
protected void	writeDirection(ObjectOutput out)
void	writeExternal(ObjectOutput out)
protected void	writeHeader(ObjectOutput out)
protected void	writePackager(ObjectOutput out)

Methods inherited from class org.jpos.iso.ISOComponent

getBytes, pack

Methods inherited from class java.lang.Object

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

Field Detail

fields

protected Map<Integer,Object> fields

maxField

protected int maxField

packager

protected ISOPackager packager

dirty

protected boolean dirty

maxFieldDirty

protected boolean maxFieldDirty

direction

protected int direction

header

protected ISOHeader header

fieldNumber

protected int fieldNumber

INCOMING

public static final int INCOMING

See Also:

Constant Field Values

OUTGOING

public static final int OUTGOING

See Also:

Constant Field Values

Constructor Detail

ISOMsg

public ISOMsg()

Creates an ISOMsg

ISOMsg

public ISOMsg(int fieldNumber)

Creates a nested ISOMsg

Parameters:

fieldNumber - (in the outter ISOMsg) of this nested message

ISOMsg

public ISOMsg(String mti)

Creates an ISOMsg with given mti

Parameters:

mti - Msg's MTI

Method Detail

setFieldNumber

public void setFieldNumber(int fieldNumber)

changes this Component field number
Use with care, this method does not change any reference held by a Composite.

Specified by:

setFieldNumber in class ISOComponent

Parameters:

fieldNumber - new field number

setDirection

public void setDirection(int direction)

Sets the direction information related to this message

Parameters:

direction - can be either ISOMsg.INCOMING or ISOMsg.OUTGOING

setHeader

public void setHeader(byte[] b)

Sets an optional message header image

Parameters:

b - header image

setHeader

public void setHeader(ISOHeader header)

getHeader

public byte[] getHeader()

get optional message header image

Returns:

message header image (may be null)

getISOHeader

public ISOHeader getISOHeader()

Return this messages ISOHeader

Returns:

header associated with this ISOMsg, can be null

getDirection

public int getDirection()

Returns:

the direction (ISOMsg.INCOMING or ISOMsg.OUTGOING)

See Also:

ISOChannel

isIncoming

public boolean isIncoming()

Returns:

true if this message is an incoming message

See Also:

ISOChannel

isOutgoing

public boolean isOutgoing()

Returns:

true if this message is an outgoing message

See Also:

ISOChannel

getMaxField

public int getMaxField()

Description copied from class: ISOComponent

a Composite must override this function

Overrides:

getMaxField in class ISOComponent

Returns:

the max field number associated with this message

setPackager

public void setPackager(ISOPackager p)

Parameters:

p - - a peer packager

getPackager

public ISOPackager getPackager()

Returns:

the peer packager

set

public void set(ISOComponent c)
         throws ISOException

Set a field within this message

Overrides:

set in class ISOComponent

Parameters:

c - - a component

Throws:

ISOException

set

public void set(int fldno,
                String value)
         throws ISOException

Creates an ISOField associated with fldno within this ISOMsg

Parameters:

fldno - field number

value - field value

Throws:

ISOException - on error

set

public void set(String fpath,
                String value)
         throws ISOException

Creates an ISOField associated with fldno within this ISOMsg

Parameters:

fpath - dot-separated field path (i.e. 63.2)

value - field value

Throws:

ISOException - on error

set

public void set(String fpath,
                ISOComponent c)
         throws ISOException

Creates an ISOField associated with fldno within this ISOMsg

Parameters:

fpath - dot-separated field path (i.e. 63.2)

c - component

Throws:

ISOException - on error

set

public void set(String fpath,
                byte[] value)
         throws ISOException

Creates an ISOField associated with fldno within this ISOMsg

Parameters:

fpath - dot-separated field path (i.e. 63.2)

value - binary field value

Throws:

ISOException - on error

set

public void set(int fldno,
                byte[] value)
         throws ISOException

Creates an ISOBinaryField associated with fldno within this ISOMsg

Parameters:

fldno - field number

value - field value

Throws:

ISOException - on error

unset

public void unset(int fldno)

Unset a field if it exists, otherwise ignore.

Overrides:

unset in class ISOComponent

Parameters:

fldno - - the field number

unset

public void unset(int[] flds)

Unsets several fields at once

Parameters:

flds - - array of fields to be unset from this ISOMsg

unset

public void unset(String fpath)
           throws ISOException

Unset a field referenced by a fpath if it exists, otherwise ignore.

Parameters:

fpath - dot-separated field path (i.e. 63.2)

Throws:

ISOException - on error

getComposite

public ISOComponent getComposite()

In order to interchange Composites and Leafs we use getComposite(). A Composite component returns itself and a Leaf returns null.

Overrides:

getComposite in class ISOComponent

Returns:

ISOComponent

recalcBitMap

public void recalcBitMap()
                  throws ISOException

setup BitMap

Throws:

ISOException - on error

getChildren

public Map getChildren()

clone fields

Overrides:

getChildren in class ISOComponent

Returns:

children (in this case 0 children)

pack

public byte[] pack()
            throws ISOException

pack the message with the current packager

Specified by:

pack in class ISOComponent

Returns:

the packed message

Throws:

ISOException

unpack

public int unpack(byte[] b)
           throws ISOException

unpack a message

Specified by:

unpack in class ISOComponent

Parameters:

b - - raw message

Returns:

consumed bytes

Throws:

ISOException

unpack

public void unpack(InputStream in)
            throws IOException,
                   ISOException

Specified by:

unpack in class ISOComponent

Throws:

IOException

ISOException

dump

public void dump(PrintStream p,
                 String indent)

dump the message to a PrintStream. The output is sorta XML, intended to be easily parsed.
Each component is responsible for its own dump function, ISOMsg just calls dump on every valid field.

Specified by:

dump in interface Loggeable

Specified by:

dump in class ISOComponent

Parameters:

p - - print stream

indent - - optional indent string

getComponent

public ISOComponent getComponent(int fldno)

get the component associated with the given field number

Parameters:

fldno - the Field Number

Returns:

the Component

getValue

public Object getValue(int fldno)
                throws ISOException

Return the object value associated with the given field number

Parameters:

fldno - the Field Number

Returns:

the field Object

Throws:

ISOException - on error

getValue

public Object getValue(String fpath)
                throws ISOException

Return the object value associated with the given field path

Parameters:

fpath - field path

Returns:

the field Object (may be null)

Throws:

ISOException - on error

getComponent

public ISOComponent getComponent(String fpath)
                          throws ISOException

get the component associated with the given field number

Parameters:

fpath - field path

Returns:

the Component

Throws:

ISOException - on error

getString

public String getString(int fldno)

Return the String value associated with the given ISOField number

Parameters:

fldno - the Field Number

Returns:

field's String value

getString

public String getString(String fpath)

Return the String value associated with the given field path

Parameters:

fpath - field path

Returns:

field's String value (may be null)

getBytes

public byte[] getBytes(int fldno)

Return the byte[] value associated with the given ISOField number

Parameters:

fldno - the Field Number

Returns:

field's byte[] value

getBytes

public byte[] getBytes(String fpath)

Return the String value associated with the given field path

Parameters:

fpath - field path

Returns:

field's byte[] value (may be null)

hasField

public boolean hasField(int fldno)

Check if a given field is present

Parameters:

fldno - the Field Number

Returns:

boolean indicating the existence of the field

hasFields

public boolean hasFields(int[] fields)

Check if all fields are present

Parameters:

fields - an array of fields to check for presence

Returns:

true if all fields are present

hasField

public boolean hasField(String fpath)
                 throws ISOException

Check if a field indicated by a fpath is present

Parameters:

fpath - dot-separated field path (i.e. 63.2)

Returns:

true if field present

Throws:

ISOException - on error

hasFields

public boolean hasFields()

Returns:

true if ISOMsg has at least one field

setValue

public void setValue(Object obj)
              throws ISOException

Don't call setValue on an ISOMsg. You'll sure get an ISOException. It's intended to be used on Leafs

Specified by:

setValue in class ISOComponent

Throws:

ISOException

See Also:

ISOField, ISOException

clone

public Object clone()

Overrides:

clone in class Object

clone

public Object clone(int[] fields)

Partially clone an ISOMsg

Parameters:

fields - int array of fields to go

Returns:

new ISOMsg instance

merge

public void merge(ISOMsg m)

add all fields present on received parameter to this ISOMsg
please note that received fields take precedence over existing ones (simplifying card agent message creation and template handling)

Parameters:

m - ISOMsg to merge

toString

public String toString()

Overrides:

toString in class Object

Returns:

a string suitable for a log

getKey

public Object getKey()
              throws ISOException

Description copied from class: ISOComponent

valid on Leafs only. The value returned is used by ISOMsg as a key to this field.

Overrides:

getKey in class ISOComponent

Returns:

object representing the field number

Throws:

ISOException

getValue

public Object getValue()

Description copied from class: ISOComponent

valid on Leafs only.

Overrides:

getValue in class ISOComponent

Returns:

object representing the field value

isInner

public boolean isInner()

Returns:

true on inner messages

setMTI

public void setMTI(String mti)
            throws ISOException

Parameters:

mti - new MTI

Throws:

ISOException - if message is inner message

move

public void move(int oldFieldNumber,
                 int newFieldNumber)
          throws ISOException

moves a field (renumber)

Parameters:

oldFieldNumber - old field number

newFieldNumber - new field number

Throws:

ISOException - on error

getMTI

public String getMTI()
              throws ISOException

Returns:

current MTI

Throws:

ISOException - on inner message or MTI not set

isRequest

public boolean isRequest()
                  throws ISOException

Returns:

true if message "seems to be" a request

Throws:

ISOException - on MTI not set

isResponse

public boolean isResponse()
                   throws ISOException

Returns:

true if message "seems not to be" a request

Throws:

ISOException - on MTI not set

isRetransmission

public boolean isRetransmission()
                         throws ISOException

Returns:

true if message is Retransmission

Throws:

ISOException - on MTI not set

setResponseMTI

public void setResponseMTI()
                    throws ISOException

sets an appropiate response MTI. i.e. 0100 becomes 0110
i.e. 0201 becomes 0210
i.e. 1201 becomes 1210

Throws:

ISOException - on MTI not set or it is not a request

setRetransmissionMTI

public void setRetransmissionMTI()
                          throws ISOException

sets an appropiate retransmission MTI

Throws:

ISOException - on MTI not set or it is not a request

writeHeader

protected void writeHeader(ObjectOutput out)
                    throws IOException

Throws:

IOException

readHeader

protected void readHeader(ObjectInput in)
                   throws IOException,
                          ClassNotFoundException

Throws:

IOException

ClassNotFoundException

writePackager

protected void writePackager(ObjectOutput out)
                      throws IOException

Throws:

IOException

readPackager

protected void readPackager(ObjectInput in)
                     throws IOException,
                            ClassNotFoundException

Throws:

IOException

ClassNotFoundException

writeDirection

protected void writeDirection(ObjectOutput out)
                       throws IOException

Throws:

IOException

readDirection

protected void readDirection(ObjectInput in)
                      throws IOException,
                             ClassNotFoundException

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

setSource

public void setSource(ISOSource source)

Let this ISOMsg object hold a weak reference to an ISOSource (usually used to carry a reference to the incoming ISOChannel)

Parameters:

source - an ISOSource

getSource

public ISOSource getSource()

Returns:

an ISOSource or null