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Transports and Interfaces: Siebel eBusiness Application Integration Volume III > Integrating with J2EE Application Server >

Setting Up Outbound Integrations

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To communicate with an external application from Siebel applications and receive messages back, you implement a procedure that uses both an existing transport and Siebel JavaBeans within a workflow.

To send and receive data to and from an external application

Start the Siebel client and create a new workflow process.
Edit the workflow so that the Siebel application initiates a request to a J2EE application server by sending out an XML message.
Select the transport adapter to use, either HTTP or MQSeries Server Transport (depending upon the target transport protocol)
Select the Synchronous or Asynchronous method:
Use the SendReceive method to require a response in XML format to your request from the external application.
Use the Send method to send a simple request that requires no feedback from the external application.

The J2EE application server receives messages by extending a Siebel Servlet or Server, depending on the transport mechanism (HTTP or MQSeries). The Siebel Servlet or Server provides all the necessary code required to receive and pre-process a request. A processRequest method (that need to be implemented) is invoked to allow the service provider to process the request.

The processRequest method takes a single Input XML string and returns an Output XML string. The process method can only throw a process exception upon exception. The processRequest method is defined as:

public String processRequest(Object request, String inputXML) throws ProcessException

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