Before starting, I don’t want this discussion to turn into a religious war or flamefest along the lines of ‘Java is better than ABAP’ or the vice versa. I will attempt to help answer this question by discussing factors that could influence your decision. As a SAP customer and developer you now have a choice to make: Do I use ABAP or Java to develop Web Dynpro applications? The correct answer is …’neither’ …. As you may have heard, SAP NetWeaver 7.0 will support Web Dynpro (WD) development using ABAP – previously only a Java domain. Subscripts for Composite Placeholders Using the SAP Recommended Suffixes. NetWeaver Development Infrastructure Entities. Relationship Between JCO Destinations and ABAP Sessions. Impact of JCo Connections on the SAP Gateway Process. A Simple Example Using Context Model Nodes at Runtime. Altering a Model Object's Logical System After It Has Been Created. Using Model Objects in a Web Dynpro Controller. Web Dynpro Models and Development Components. Dynamic Construction of a UI Element Hierarchy. The Principles of Dynamic View Construction. Accessing Existing UI Elements in a View Layout. Programmatic Assignment of Actions to UI Element Objects. Efficient Use of Actions to Enable and Disable UI Elements. Dynamic Addition of a Mapped Context Node. Dynamic Addition of an Unmapped Context Node.
Storing Language-Specific Text in XLF Files. UI Element Events and View Controller Actions.
How are UI Elements Stored Within a View Controller?. Coding Principles for Supply and Dispose Functions. Should Node Names Be Singular or Plural?. The Most Important Node Properties to Understand. What's the Difference Between Value Nodes and Model Nodes?. Terminology Concerning Nodes and Attributes. Context Attribute Data Types that Can Supply Data to UI Elements. The Relationship Between Phase Model Processing and Web Dynpro Windows. Phase Model Processing and Component Instantiation. Building Web Dynpro Applications Using the NWDI. Web Dynpro Applications or "Where Does My Component Sit in the Big Scheme of Things?". What Do the Different Parts of the Component Do?. Is Writing a Web Dynpro Program Just a Matter of Writing Models, Views, and Controllers?. What Do I Need To Understand To Be Successful with Web Dynpro?. The Influence of Focus Groups on Web Dynpro. The Influence of SAP's Requirements on Web Dynpro. The Fundamental Difference Between Web Dynpro and Other Web Development Tools. How Web Dynpro Differs from Other Web Development Tools. Causes of Poor Web Dynpro Implementations. Why Did SAP Decide to Build Their Own Web Development Framework?. Since then, Chris has written numerous articles and web presentations about various aspects of Web Dynpro technology, often speaks at SAP TechEd, and is the author of several SAP training courses. He has been working with Web Dynpro since 2002. The author's extensive experience with developing and implementing Web Dynpro applications since the very first Web Dynpro release, the invaluable tips, best practices and caveats he shares with his readers make this book a must-read reference for every serious Web Dynpro for Java developer.Ĭhris Whealy is a Web Dynpro Java Expert in the SAP NetWeaver Regional Implementation Group (RIG) EMEA.
Experienced developers will further benefit greatly from chapters on advanced topics like dynamic context manipulation, navigation and error handling, or the Adaptive RFC layer. Then, learn everything you need to know about basic development topics like the context at design- and runtime, the handling of UI elements, and multi-language applications.
Starting with the origins of Web Dynpro, the component concept, design principles and the phase model, this book leaves no questions about the backgrounds open.
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Fully updated and significantly expanded, this 2nd edition of the bestselling developers' guide teaches readers how to obtain the best results from Web Dynpro for Java in release SAP NetWeaver 7.0.
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