Migrate > Take the first steps after WebSphere Commerce migration > Migrating from a previous payment implementation > Migrating from WebSphere Commerce Payments Multipayment Framework to a payment plug-in



Convert custom V5.x payment task or policy command implementations to a payment plug-in

To convert custom implementations of the V5.x payment task commands (that is, DoPaymentCmd, DoDepositCmd) or payment policy commands (that is, DoPaymentPolicyCmd, DoDepositPolicyCmd) to a payment plug-in:


Procedure

  1. Create a payment plug-in.

  2. Move the Doxxxxx command logic that you use to communicate with the payment back-end system to the appropriate payment plug-in method:

    • Move the DoCancel command to the reverseApproval payment plug-in method

    • Move the DoPayment command to the approve payment plug-in method

    • Move the DoDeposit command to the deposit payment plug-in method

    • Move the DoRefund command to the credit payment plug-in method

  3. Verify the task and policy command properties are available to the payment plug-in as attributes in the interface value objects or as name-value pairs inside the payment protocol data (ExtendedData). That is, ensure the payment plug-in can get all payment protocol data needed by the Payment Service Provider.

  4. Verify the payment plug-in does not contain business policy logic. If special business policy code is required, it should be used before thepayment rules logic is used.

    • DoPaymentCmd is called at order submission.

    • DoDepositCmd is called at order fulfillment.

    • DoCancelCmd is called at order cancel.

    • DoRefundCmd is called at RMA close.

  5. If special configuration data is needed, use the plug-in deployment descriptor to define this data. For example, to configure the IP address and port number of the payment server add the following lines to the plug-in descriptor:

    <PluginProperty name="hostName" value="black.cn.ibm.com"/>
    <PluginProperty name="port" value="5433"/>
    


Related concepts

Payment plug-ins

LOC (Line of credit) plug-in

SimpleOffline plug-in

WCPayments plug-in

Related reference

Replacement commands for WebSphere Commerce Payments Multipayment Framework commands

Payment, refund and return payment business policies


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