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User Guide
The information contained in this section applies to IBM WebSphere Commerce Version 7.0.0.9 and Feautre Pack 8. The documentation also applies to all subsequent releases and modifications until otherwise indicated in new editions.
Developing
The topics in the Developing section describe tasks performed by an application developer.
Controller layer
The Controller layer is the conductor of operations for a request. It controls the transaction scope and manages the session related information for the request. The controller first dispatches to a command and then calls the appropriate view processing logic to render the response.
Integrating with back-end systems and external applications
External systems integration is a key feature of the WebSphere Commerce solution. In WebSphere Commerce business logic is enabled for integration and built-in adapters and interfaces are provided for common integration points. Additionally, the WebSphere Commerce integration solution leverages integration standards by using various IBM connectivity solutions.
Customizing WebSphere Commerce Payments
Payment components in WebSphere Commerce
WebSphere Commerce includes the following to support secure online payments when WebSphere Commerce Payments is used:
WCSRealm class
The WCSRealm class extends from the PaymentServletRealm class to allow the WebSphere Commerce Payments servlet to use the administrator information that is already registered in the user tables. This administrator information is used for WebSphere Commerce Payments administrators, so that you do not have to define another set of administrator IDs in order to use the WebSphere Commerce Payments user interface.

Deprecated feature

WCSRealm class

The WCSRealm class extends from the PaymentServletRealm class to allow the WebSphere Commerce Payments servlet to use the administrator information that is already registered in the user tables. This administrator information is used for WebSphere Commerce Payments administrators, so that you do not have to define another set of administrator IDs in order to use the WebSphere Commerce Payments user interface.

The WCSRealm class is called by the servlet whenever an administrator tries to access the servlet, to check that the person is an authenticated user. WebSphere Commerce Payments maintains a User Permissions table to control the access rights assigned to different administrators.