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WebService to WebService Synchronous scenario
By Pravesh Sharma, CSC
This document is made to explain the WebService to WebService
Scenario using SAP XI as an Enterprise Application Integration (EAI) platform.
We are sending two numbers from a WebService Client
Application using sender SOAP adapter to the Integration server. This input
message is sent to the Receiver WebService using receiver SOAP adapter whose
wsdl is imported in XI as an external definition and WebService is sending
System Message Flow:-
Sender SOAP adapter so that the message from the WebService Client Application
can be transformed to the Integration Server. We are using receiver SOAP adapter
and Web Service to send the response back.
Services are a standard format for exchanging data. The standard is based on XML
consists of a SOAP envelope with a header and a body. The XI system allows
creating a WSDL file from an interface description and uploading a WSDL file.
Business system is created in SLD (We will be using Business
System E11BS as the Receiver Service. We will create Fn. Module in XI System
that is why we are using E11BS Business System).
Software Component and namespace is created in which
development has to be done.
WebService Client Application (Altova XML Spy) is available
to send request to the Integration Server.
Create a Remote-Enabled Function Module having two Import
parameters of type INT4 and an Export parameter of type INT4.This Function
Module will be exposed as a Web Service.
Add the source code for the Function Module.
To develop Web Service choose Utilities (M) àMore UtilitiesàCreate Web ServiceàFrom the Function Module
from the main menu.
Follow the Wizard for Web Service creation.
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