Book Image

SAP ABAP Advanced Cookbook

By : Rehan Zaidi
Book Image

SAP ABAP Advanced Cookbook

By: Rehan Zaidi

Overview of this book

ABAP (Advanced Business Application Programming) is SAP's proprietary 4th Generation Language (4GL). SAP core is written almost entirely in ABAP.ABAP is a high level programming language used in SAP for development and other customization processes."SAP ABAP Advanced Cookbook"ù covers advanced SAP programming applications with ABAP. It teaches you to enhance SAP applications by developing custom reports and interfaces with ABAP programming. This cookbook has quick and advanced real world recipes for programming ABAP.It begins with the applications of ABAP Objects and ALV tips and tricks. It then covers Design Patterns and Dynamic Programming in detail.You will also learn the usage of quality improvement tools such as transaction SAT, SQL Trace, and the Code Inspector.Simple transformations and its application in Excel Downloading will also be discussed, as well as the newest topics of Adobe Interactive Forms and the consumption and creation of Web services. The book comes to an end by covering advanced usage of Web Dynpro for ABAP and the latest advancement in Floorplan Manager.
Table of Contents (22 chapters)
SAP ABAP Advanced Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Calling a Web service from an ABAP program


In this recipe, we will see how we can programmatically call a web service using the proxy class generated in the previous recipes. We will see the main steps required in coding the program.

Getting ready

For quickly creating the template code within a program, first create a new program in the ABAP editor using SE80 and open the code of the program in the right-hand side pane. Then, in the left-hand side pane navigate to the customer proxy generated under the Service Consumer node. Select the name of our consumer proxy and simply drag-and-drop from the left-hand side to the right-hand side pane (within the ABAP editor). The template code will be generated and added to your program. You may modify the code according to your requirements.

How to do it...

We will now dive into the details of the program:

  1. We first declare an object reference to the ZST8_CO_ZST8_MYSERVICE proxy class that is generated. We will name the reference MYPROXY. We then instantiate...