Book Image

Mastering SAP ABAP

By : Paweł Grześkowiak, Wojciech Ciesielski, Wojciech Ćwik
Book Image

Mastering SAP ABAP

By: Paweł Grześkowiak, Wojciech Ciesielski, Wojciech Ćwik

Overview of this book

Advanced Business Application Programming (ABAP) is an established and complex programming language in the IT industry. This book is designed to help you use the latest ABAP techniques and apply legacy constructions using practical examples. You'll start with a quick refresher on language and database concepts, followed by agile techniques for adding custom code to a modern ABAP system. After this, you will get up to speed with the complete ABAP toolset for importing data to and from different environments. Next, you'll learn how to print forms and work with the different ABAP tools for Extensible Markup Language (XML) manipulation. While covering further chapters, you'll gain insights into building stunning UI5 interfaces, in addition to learning how to develop simple apps using the Business Object Processing Framework (BOPF). You will also pick up the technique of handling exceptions and performing testing in ABAP. In the concluding chapters, you can look forward to grasping various techniques for optimizing the performance of programs using a variety of performance analysis tools. By the end of this book, you will have the expertise you need to confidently build maintainable programs in Systems, Applications, and Products (SAP).
Table of Contents (25 chapters)
Title Page
Copyright and Credits
Dedication
About Packt
Contributors
Preface
Index

SAP Gateway


In the previous sections, we covered several efficient and reliable ways of connecting to and from external systems. However, all of these methods share one major flaw – they each require you to expose your system containing business-critical data to third-party systems. Assuming that any system, which is administered by some other entity, will behave according to your established rules of privacy and security is neither recommended nor safe. In order to address this issue and separate the most vital part of the landscape from a potentially dangerous environment, SAP introduced a middleware solution called SAP NetWeaver Gateway (which is available in SAP NetWeaver 7.0 or later releases).

Deployment variants

For older versions (that is, below 7.4) of SAP NetWeaver, the Gateway solution consists of three core parts: GW_CORE, IW_FND, and IW_BEP. Since version 7.4, all of these components have been bundled into one–SAP_GWFND–thereby, reducing the effort of installation. Due to its...