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Comment: Published by Scroll Versions from space FUNCTDEV and version SOAVIRT_9.10.6_CTP_3.1.2

In this section:

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About the Extensions

The ISO 8583 Extensions are custom extensions for Parasoft's continuous testing solutions. On the client side, they can be used to send and receive custom ISO 8583 messages. On the server side, they can be used to create and send custom virtualized responses.

The following custom extensions are provided for ISO 8583 integration:

  • ISO 8583 Message Format: A message format used to convert from native ISO to XML ISO and vice versa.
  • ISO 8583 Transport: A transport protocol for sending and receiving custom ISO 8583 messages.
  • ISO 8583 Message Listener: A message listener used to listen for custom ISO 8583 messages and generate virtual responses.

Implementation

This extension suite is implemented as com.parasoft.soavirt.iso8583.main-<version>.jar, which depends upon the following jars provided with the distribution:

jPOS

  • jpos-1.9.2.jar

JDOM

  • jdom-1.1.3.jar

Apache Commons CLI

  • commons-cli-1.2.jar

ISO-8583 Extensions

  • com.parasoft.soavirt.messages.iso8583-<version>.jar
  • com.parasoft.soavirt.transport.iso8583-<version>.jar
  • com.parasoft.virtualize.listener.iso8583-<version>.jar

Requirements

  • SOAtest and/or Virtualize 9.5.x or higher.

Installation

The extensions can be installed from the UI or command line.

UI Installation

  1. Choose Parasoft > Preferences.

  2. In the System Properties preferences page, click Add JARs.

  3. In the file chooser that opens, select com.parasoft.soavirt.iso8583.main-<version>.jar. All required dependencies will be loaded.
  4. Restart SOAtest/Virtualize.

Command Line Installation

Add the com.parasoft.soavirt.iso8583.main-<version>.jar file to the system.properties.classpath property in your localsettings properties file.

For example:

system.properties.classpath=<path to jar>/com.parasoft.soavirt.iso8583.main-1.0.0.jar

Once the classpath is modified, all of the required dependencies will be loaded.

Usage

SOAtest

  1. Right-click on a test suite and choose Add New> Test. 
  2. Two ISO 8583 clients with the same name will be available in the Add Test wizard. Choose ISO 8583 Client in the Common Tools category and click Finish. The other ISO Client is the built-in tool shipped with SOAtest that the ISO 8583 extensions replace.   



  3. Click the Transport tab and choose Custom Extension from the Transport drop-down menu.
  4. Choose ISO 8583 from the Select Implementation drop-down menu to configure the tool. Packager options are configured on both the Conversion Options tab and in the transport settings under Packager Settings.

ISO 8583 Message Listener Settings

You can configure the following settings for the ISO 8583 Message Listener

Channel Settings

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Channel Name

Defines the ISO 8583 channel to use when sending/receiving messages. All the default channel implementations (e.g., channel implementations that need only a port, host, and packager) included in the jPOS library are available for use. For details, see Channels.

HostDefines the host to use when making connections.
Port

Defines the port to use when making connections. 

Timeout

Defines how many seconds to wait before timing a connection out. 

Packager Settings

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Packager Name

Defines the packager that will be used to pack and unpack the ISO 8583 messages. Generally, GenericPackager will be used here along with a generic packager XML description. However, all packagers mentioned in the Packagers section are available for use if a predefined ISO packager is more suitable. If a custom ISO packager is implemented (e.g., ISOPackager interface), it must be included on the SOAtest/Virtualize classpath and the fully-qualified class name must be provided (for example org.jpos.iso.packager.GenericPackager). For details, see Packagers.

Packager Path

Defines the path to a generic packager description XML file.

This field is only used for generic packagers (e.g., GenericPackager and X92GenericPackager).

Header Settings

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Header LengthSpecifies the header length for the outgoing response.

Connection Management Settings

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Keep connection alive

Enable this option to keep the client connection alive and reused for subsequent publishing.

Close connection after test execution

Enable this option to close the client connection directly after publishing.


ISO 8583 Message Format Settings

You can configure the following settings for the ISO 8583 Message Format.

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Packager Name

Defines the packager used to pack and unpack the ISO 8583 messages. Generally, GenericPackager will be used here along with a generic packager XML description. However, all the packagers mentioned in the Packagers section are available for use if a predefined ISO packager is more suitable. If a custom ISO packager is implemented (e.g., ISOPackager interface), it must be included on the SOAtest/Virtualize classpath and the fully-qualified class name must be provided (for example org.jpos.iso.packager.GenericPackager). For details, see Packagers.

Packager Path

Defines the path to a generic packager description XML file.

This field is only used for generic packagers (e.g., GenericPackager and X92GenericPackager)

ISO 8583 Transport Settings

You can configure the following settings for the ISO 8583 Transport.

Channel Settings

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Channel Name

Defines the ISO 8583 channel to use when sending/receiving messages. All the default channel implementations (e.g., channel implementations that need only a port, host, and packager) included in the jPOS library are available for use. For details, see Channels.

HostDefines the host to use when making connections.
Port

Defines the port to use when making connections. 

Timeout

Defines how many seconds to wait before timing a connection out. 

Packager Settings

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Packager Name

Defines the packager that will be used when creating the channel.

This field works the same as its equivalent in the ISO 8583 Message Format Settings.

Packager Path

Defines the path to a generic packager description XML file.

This field works the same as its equivalent in the ISO 8583 Message Format Settings.

Header Settings

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Request Header

Defines the custom header to send with requests. This field also doubles as the response header size template—enabling the header in the response to be read properly.

Packagers

Packagers define how ISO 8583 messages are structured, including the number of fields in the message and the field data types. They allow the binary data of an ISO 8583 message to be consumed into a generic ISO message that can be easily manipulated and formatted by different packagers. A number of packers are provided by default, and customer packagers can be used to support special cases.

They also provide extensibility to the jPOS API in that custom packagers can be defined to describe custom ISO 8583 messages making it possible to support virtually any type of ISO 8583 message.

Default Packagers

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Packager NamePackager Description

Base1Packager

VISA Base1 binary packager.

Base1SubFieldPackager

VISA Base1 binary subfield packager.

BASE24Packager

BASE24 ASCII packager.

CTCSubElementPackager

Validating packager for subelements in field 48.

CTCSubFieldPackager

Validating packager for subfields in field 48.

DummyPackager

Dummy packager. Throws exceptions if the message is packed/unpacked.

EuroPackager

EuroPay packager.

EuroSubFieldPackager

EuroPay subfield packager.

FSDPackager

FSD ISO message packager.

GenericPackager

Uses an XML description to describe the ISO message.

GenericSubFieldPackager

Uses an XML description to describe the ISO subfields.

GenericTaggedFieldsPackager

Packager for fields containing TLV subfields without a bitmap.

GenericValidatingPackager

Uses an XML description to validate the ISO message.

ISO87APackager

ISO 8583 v1987 ASCII packager.

ISO87APackagerBBitmap

ISO 8583 v1987 ASCII packager using binary bitmap.

ISO87BPackager

ISO 8583 v1987 BINARY packager.

ISO93APackager

ISO 8583 v1993 ASCII packager.

ISO93BPackager

ISO 8583 v1993 BINARY packager.

LogPackager

Packs and unpacks ISO messages from jPOS logs.

MasterCardEBCDICSubFieldPackager

MasterCard EBCDIC subfield packager.

PackagerWrapper

Wraps another ISO packager.

PostPackager

ISO 8583 v1987 packager for Postilion

VAPSMSPackager

ISO 8583 v1987 BINARY packager for VISA’s VAP Single Message (Deprecated).

VAPVIPPackager

ISO 8583 v1987 BINARY packager for VISA’s VAP Single Message (Deprecated).

X92GenericPackager

Uses an XML description to describe ANSI X9.2 ISO messages.

X92Packager

ANSI X9.2 packager.

XML2003Packager

Packs and unpacks ISO 8583 v2003 messages into XML representation.

XMLPackager

Packs and unpacks ISO 8583 messages into XML representation.

Custom Packagers

Custom packagers can be implemented in two ways to provide support for custom ISO 8583 messages.


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Generic Packager XML Description

In this implementation, the jPOS library provides a generic packager that can handle most ISO 8583 messages. The generic packager uses an XML description of the ISO 8583 message to properly pack and unpack custom ISO 8583 messages.

To define a generic packager description, start by declaring the XML doctype:

Code Block
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE isopackager PUBLIC
	"-//jPOS/jPOS Generic Packager DTD 1.0//EN"
	"http://jpos.org/dtd/generic-packager-1.0.dtd">

The ISO packger definition follows the doctype:

Code Block
<isopackager>
	<!-- ISO Field Definitions -->
</isopackager>

The ISO field definitions are placed inside the ISO packager definition. ISO field definitions can be primitive ISO 8583 types or complex types.

Primitive ISO Field Definitions

Use the following format to define primitive ISO field definitions:

Code Block
<isofield
	id="0"
	length="4"
	name="MESSAGE TYPE INDICATOR"
	pad="true"
	class="org.jpos.iso.IFB_NUMERIC"/>

The id attribute defines the field number, the length attribute defines the length of data, the name attribute defines the field name, the pad attribute (optional) specifies whether the field should be padded with characters, and the class attribute defines the field packager which correlates to the data type of the field. Custom field packagers can also be created if necessary by implementing an ISOFieldPackager and including the implementation on the SOAtest/Virtualize classpath. 

The following ISO field packagers are provided by default (all class names should be prefixed with "org.jpos.iso" in the XML definition).

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Class NameClass DescriptionClass NameClass Description

IF_CHAR

Fixed length alphanumeric (ASCII)

IFB_LLCHAR

Variable length alphanumeric (BINARY, maxlength=99)

IF_ECHAR

Fixed length alphanumeric (EBCDIC)

IFB_LLHBINARY

Variable length binary hex (BINARY, maxlength=99)

IF_NOP

Fixed length empty (dummy) field

IFB_LLHCHAR

Variable length alphanumeric hex (BINARY, maxlength=99)

IF_TBASE

Fixed length token field

IFB_LLHECHAR

Variable length alphanumeric hex (EBCDIC, maxlength=99)

IF_TCHAR

Fixed length alphanumeric with token

IFB_LLHFBINARY

Fixed length binary hex (BINARY, length=99)

IF_UNUSED

Fixed length empty (dummy) field, throws an exception if the field is being used.

IFB_LLHNUM

Variable length numeric hex (BINARY, maxlength=99)

IFA_AMOUNT

Fixed length amount padded with zeros (ASCII)

IFB_LLLBINARY

Variable length binary (BINARY, maxlength=999)

IFA_AMOUNT2003

Fixed length amount padded with zeros (ASCII) for ISO 8583-2003

IFB_LLLCHAR

Variable length alphanumeric (BINARY, maxlength=999)

IFA_BINARY

Fixed length binary (ASCII)

IFB_LLLHBINARY

Variable length binary hex (BINARY, maxlength=999)

IFA_BITMAP

Fixed length bitmap (ASCII)

IFB_LLLHCHAR

Variable length alphanumeric hex (BINARY, maxlength=999)

IFA_FLLCHAR

Fixed length alphanumeric (ASCII, length=99)

IFB_LLLHECHAR

Variable length alphanumeric hex (EBCDIC, maxlength=999)

IFA_FLLNUM

Fixed length numeric (ASCII, length=99)

IFB_LLLHNUM

Variable length numeric hex (BINARY, maxlength=999)

IFA_LBINARY

Variable length binary (ASCII, maxlength=9)

IFB_LLLLBINARY

Variable length binary (BINARY, maxlength=9999)

IFA_LCHAR

Variable length alphanumeric (ASCII, maxlength=9)

IFB_LLLNUM

Variable length numeric (BINARY, maxlength=999)

IFA_LLABINARY

Variable length binary (ASCII, maxlength=99)

IFB_LLNUM

Variable length numeric (BINARY, maxlength=99)

IFA_LLBINARY

Variable length binary (ASCII, maxlength=99)

IFB_NUMERIC

Fixed length numeric (BINARY)

IFA_LLBNUM

Variable length numeric (ASCII BCD, maxlength=99)

IFE_AMOUNT

Fixed length amount (EBCDIC)

IFA_LLCHAR

Variable length alphanumeric (ASCII, maxlength=99)

IFE_BINARY

Fixed length binary (EBCDIC)

IFA_LLLABINARY

Variable length binary (ASCII, maxlength=999)

IFE_BITMAP

Fixed length bitmap (EBCDIC)

IFA_LLLCHAR

Variable length alphanumeric (ASCII, maxlength=999)

IFE_CHAR

Fixed length alphanumeric (EBCDIC)

IFA_LLLLBINARY

Variable length binary (ASCII, maxlength=9999)

IFE_LLBINARY

Variable length binary (EBCDIC, maxlength=99)

IFA_LLLLCHAR

Variable length alphanumeric (ASCII, maxlength=9999)

IFE_LLCHAR

Variable length alphanumeric (EBCDIC, maxlength=99)

IFA_LLLLLBINARY

Variable length binary (ASCII, maxlength=99999)

IFE_LLLBINARY

Variable length binary (EBCDIC, maxlength=999)

IFA_LLLLLCHAR

Variable length alphanumeric (ASCII, maxlength=99999)

IFE_LLLCHAR

Variable length alphanumeric (EBCDIC, maxlength=999)

IFA_LLLNUM

Variable length numeric (ASCII, maxlength=999)

IFE_LLLEBINARY

Variable length binary EBCDIC (EBCDIC, maxlength=999)

IFA_NUMERIC

Fixed length numeric (ASCII)

IFE_LLLLBINARY

Variable length binary (EBCDIC, maxlength=9999)

IFA_TTLBINARY

Variable length binary with token (ASCII, maxlength=9)

IFE_LLLLCHAR

Variable length alphanumeric (EBCDIC, maxlength=9999)

IFA_TTLCHAR

Variable length alphanumeric with token (ASCII, maxlength=9)

IFE_LLNUM

Variable length numeric (EBCDIC, maxlength=99)

IFA_TTLLBINARY

Variable length binary with token (ASCII, maxlength=99)

IFE_NUMERIC

Fixed length numeric (EBCDIC)

IFA_TTLLCHAR

Variable length alphanumeric with token (ASCII, maxlength=99)

IFE_SIGNED_
NUMERIC

Fixed length signed numeric (EBCDIC)

IFA_TTLLLBINARY

Variable length binary with token (ASCII, maxlength=999)

IFEA_LLCHAR

Esoteric variable length alphanumeric (ASCII EBCDIC, maxlength=99)

IFA_TTLLLCHAR

Variable length alphanumeric with token (ASCII, maxlength=999)

IFEB_LLLNUM

Esoteric variable length numeric (EBCDIC, maxlength=999)

IFA_TTLLLLBINARY

Variable length binary with token (ASCII, maxlength=9999)

IFEB_LLNUM

Esoteric variable length numeric (EBCDIC, maxlength=99)

IFA_TTLLLLCHAR

Variable length alphanumeric with token (ASCII, maxlength=9999)

IFEMC_LLCHAR

Esoteric variable length alphanumeric (EBCDIC, maxlength=99)

IFB_AMOUNT

Fixed length amount (BINARY)

IFEP_LLCHAR

Europay variable length alphanumeric (EBCIDC, maxlength=99)

IFB_AMOUNT2003

Fixed length amount for ISO 8583-2003 (BINARY)

IFEPE_LLCHAR

Mastercard variable length alphanumeric (EBCDIC, maxlength=99)

IFB_BINARY

Fixed length binary (BINARY)

IFIPM_LLLCHAR

Variable length alphanumeric with token (maxlength=999)

IFB_BITMAP

Fixed length bitmap (BINARY)

IFMC_LLBINARY

Variable length binary with token (maxlength=99)

IFB_FLLLNUM

Fixed length numeric (BINARY, length=999)

IFMC_LLCHAR

Variable length alphanumeric with token (maxlength=99)

IFB_FLLNUM

Fixed length numeric (BINARY, length=99)

IFMC_LLLBINARY

Variable length binary with token (maxlength=999)

IFB_FNUMERIC

Fixed length numeric (BINARY)

IFMC_LLLCHAR

Variable length alphanumeric with token (maxlength=999)

IFB_LLBINARY

Variable length binary (BINARY, maxlength=99)

 


Complex ISO Field Definitions

Use the following format to define complex ISO field definitions:

Code Block
<isofieldpackager
	id="127"
	length="255"
	name="FILE RECORS(S) ACTION/DATA"
	class="org.jpos.iso.IFB_LLHBINARY"
	packager="org.jpos.iso.packager.GenericSubFieldPackager"/>


<!-- ISO Field Definitions -->
</isofieldpackager>

The id, length, name, and class attributes have the same meaning as they do for primitive ISO field definitions. An additional packager attribute must be defined to describe how this complex ISO field should be packaged with the rest of the ISO message, followed by the sub-field descriptions, which are defined like primitive ISO fields.

An example custom packager for VISA’s Base1 ISO 8583 messages provided with the jPOS examples is included for reference; see base1.xml, which is included in the plugin's zip file.

ISOPackager Interface

In this implementation, the jPOS library also provides a Java interface that can be used to define custom packagers. If the generic packager, or one of the default packagers, cannot support a certain ISO 8583 message, then a custom ISO packager can be implemented.

Channels

Channels define how the ISO 8583 client and server communicate with each other. They ensure that the generic ISO messages are properly formatted before they are sent over the wire and are properly reconstructed at the other end. The channel handles the connections and the protocols used to transfer the ISO 8583 messages between client and server. As with the packagers, the jPOS library provides many channels that should handle most cases. However, if the proper channel does not exist, custom ISO 8583 channels can be implemented by extending the BaseChannel class.

The following channels are provided by default:

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Channel NameChannel Description

AmexChannel

American Express channel. 

ASCIIChannel

ISO base channel extension with four ASCII character message length header. 

BCDChannel

ISO base channel extension with the following message format

[LEN][TPDU][ISOMSG]

Where LEN is 2 hex bytes. 

CSChannel

CS Standard Channel. 

FSDChannel

ISO base channel extension with the following message format

[LEN][TPDU][ISOMSG]

Where LEN is 2 bytes in network byte order. 

GZIPChannel

ISO base channel extension that GZIP compresses data that is sent over the channel. 

HEXChannel

ISO base channel extension with a four ASCII hex character message length header. 

LogChannel

ISO base channel extension that extracts ISOMSG blocks from the ISO logger. 

NACChannel

ISO base channel extension with the following message format

 [LEN][TPDU][ISOMSG]

Where LEN is 2 bytes in network byte order. 

NCCChannel

ISO base channel extension with the following message format

 [LEN][TPDU][ISOMSG]

Where LEN is 2 bytes in binary-coded decimal (BCD) format. 

PADChannel

ISO Channel suitable to be used to connect to an X.25 PAD. 

PostChannel

ISO base channel extension with the following message format

[LEN][ISOMSG]

Where LEN is 2 bytes in network byte order (NBO). 

RawChannel

ISO base channel extension with the following message format

[LEN][ISOMSG]

Where LEN is 4 bytes in network byte order (NBO). 

RBPChannel

Record Boundary Preservation channel. 

TelnetXMLChannel

Exchanges XML based ISO-8583 messages through a telnet session the telnet commands are ignored. 

VAPChannel

VISA’s VAP framing (deprecated). 

X25Channel

ISO Channel suitable to be used to connect to an X.25 PAD. 

XMLChannel

ISO base channel extension that exchanges XML based ISO-8583 messages. 

Third-party Content

This tool set includes items that have been sourced from third parties as outlined below.

Parasoft's ISO extensions are being released under the GNU AGPL v3.0 license.

Additional license details are available in this plugin's licenses folder.