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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.
Inbound services
WebSphere Commerce provides inbound web services to retrieve information for WebSphere Commerce business operations. You can use the code and documentation that is provided with WebSphere Commerce to enable inbound web services to integrate backend systems and external system with WebSphere Commerce operations.
Program adapter
The program adapter allows external systems to communicate with WebSphere Commerce by passing XML requests over the HTTP protocol. The program adapter provides external systems such as procurement systems with a common way to communicate with WebSphere Commerce through HTTP, allowing WebSphere Commerce to act as a supplier to these systems, for buyer and supplier transactions.
Adding adapters
Adapters are added and configured in the WebSphere Commerce configuration file.

Adding adapters

Adapters are added and configured in the WebSphere Commerce configuration file.

About this task

To add a new adapter, you must manually add it to the group of adapters in the WebSphere Commerce configuration file. To add a new adapter:

Procedure

Open the WebSphere Commerce configuration file.
Locate the HttpAdapters XML element and add XML syntax similar to the following to define your adapter:
```
<HttpAdapter
enabled="true"
deviceFormatType="device format"
deviceFormatTypeID="deviceFormatTypeID"
deviceFormatId="#"
name="name"
factoryClassname="class implementing HttpAdapterFactory"> 
```
```
.... 
```
```
</HttpAdapter>
```
Use the same value for the deviceFormatTypeID and the deviceFormatID.

Depending on the factoryClassname you may need to add different child elements.
Restart WebSphere Commerce.

Results

Note: The preceding example would be used to add a program adapter. To add a different type of adapter, modify the class implementation accordingly. In the example, HttpAdapterFactory is the class implementation.