ABAP Cookbook

James Wood is the founder and principal consultant of Bowdark Consulting, Inc., an SAP NetWeaver consulting and training organization. With more than seven years of experience as a software engineer, James specializes in custom development in the areas of ABAP Objects, Java/J2EE, SAP NetWeaver Process Integration, and the SAP NetWeaver Portal. Before starting Bowdark Consulting, Inc. in 2006, James was an SAP NetWeaver consultant for SAP America, Inc. and IBM Corporation where he was involved in multiple SAP implementations. He holds a master's degree in software engineering from Texas Tech University. To learn more about James and the book, please check out his website at http://www.bowdarkconsulting.com.

Introduction
String Processing Techniques
ABAP Character Types
Designing a Custom String Library
Improving Productivity with Regular Expressions
Summary
Working with Numbers, Dates, and Bytes
Numeric Operations
Date and Time Processing
Bits and Bytes
Summary
Dynamic and Reflective Programming
Working with Field Symbols
Reference Data Objects
Introspection with ABAP Run Time Type Services
Dynamic Program Generation
Summary
ABAP and Unicode
Introduction to Character Codes and Unicode
Developing Unicode-Enabled Programs in ABAP
Working with Unicode System Classes
Summary
Working with Files
File Processing on the Application Server
Working with Unicode
Logical Files and Directories
File Compression with ZIP Archives
File Processing on the Presentation Server
Transmitting Files Using FTP
Summary
Database Programming
Object-Relational Mapping and Persistence
Developing Persistent Classes
Working with Persistent Objects
Modeling Complex Relationships
Storing Text with Text Objects
Connecting to External Databases
Summary
Transactional Programming
Introduction to the ACID Transaction Model
Transaction Processing with SAP LUWs
Working with the Transaction Service
Implementing Locking with the Enqueue Service
Tracking Changes with Change Documents
Summary
XML Processing in ABAP
Introduction to XML
Parsing XML with the iXML Library
Transforming XML Using XSLT
Simple Transformation
Summary
Web Programming with the ICF
HTTP Overview
Introduction to the ICF
Developing an HTTP Client Program
Implementing ICF Handler Modules
Summary
Web Services
Web Service Overview
Providing Web Services
Consuming Web Services
Next Steps
Summary
Email Programming
Introduction to BCS
Sending Email Messages
Receiving Email Messages
Summary
Security Programming
Developing a Security Model
The SAP NetWeaver AS ABAP Authorization Concept
Encrypting Data with ABAP
Performing Virus Scans
Protecting Web Content with CAPTCHA
Summary
Logging and Tracing
Introducing the Business Application Log
Developing a Custom Logging Framework
Case Study: Tracing an Application Program
Summary
Interacting with the Operating System
Programming with External Commands
Case Study: Executing a Custom Perl Script
Summary
Interprocess Communication
SAP NetWeaver AS ABAP Memory Organization
Data Clusters
Working with Shared Memory Objects
Summary
Parallel and Distributed Processing with RFCs
RFC Overview
Parallel Processing with aRFC
Summary
The Author
Index