Without proper guidance, the development of business oriented Java applications can be challenging. This book introduces you systematically to highly detailed concepts, architecture, and to all components of the SAP Web Application Server Java (Release 6.40), while and equipping you with all that's needed to ensure superior programming. First, benefit from an SAP NetWeaver overview, followed by the authors'guided tour through the SAP NetWeaver Developer Studio. After an excursion into the world of Web services, you then learn about the different facets of Web Dynpro technology, with in-depth details on user interfaces. This information is further bolstered with insights on the SAP NetWeaver Java Development Infrastructure and the architecture of SAP Web AS Java.
The book is essential reading for Java developers, who require a clear introduction to the world of SAP, and it is equally beneficial for ABAP programmers, who want to stay ahead of the curve, in terms of knowing which direction Web AS development will take in the near future.
Using the included test version of SAP Web Application Server Java (Release 6.40), you can try out the J2EE example applications used throughout this book and develop them further at your own pace.
Highlights Include:
SAP NetWeaver 04
SAP NetWeaver Developer Studio: Features, Tools and Perspectives
Java-Persistence: Persistence Infrastructure, Java-Dictionary, Open SQL/SQLJ, Enterprise Java Beans, Java Data Objects and others
Webservices
Web Dynpro: Views, Layouts, interactive forms, working with event managers, Web-Dynpro-Components, Controller etc.
SAP NetWeaver Java Development Infrastructure
SAP Web AS: Cluster-Landscape, Scalability, Availability, Runtime Architecture, protocols, supportability, monitoring, performance analysis and much more
Table of Contents:
Preface ... 13
1. SAP NetWeaver ... 17
... 1.1 The Necessity of a Platform for Enterprise Software ... 17
... 1.2 SAP NetWeaver as an Integration Platform ... 20
... 1.3 SAP NetWeaver Components ... 23
... 1.4 Prospects: SAP NetWeaver as a Platform for the Enterprise Services
Architecture ... 33
2. SAP NetWeaver Developer Studio: Features, Tools, and Perspectives ... 35
... 2.1 User Interface ... 35
... 2.2 Workspace, Projects, and Development Objects ... 37
... 2.3 Features ... 39
... 2.4 Architecture ... 48
... 2.5 Tools and Perspectives ... 50
3. SAP NetWeaver Developer Studio: Step by Step to the Example Application ... 65
... 3.1 Employee Example Application ... 66
... 3.2 First Steps in the SAP NetWeaver Developer Studio ... 67
... 3.3 Defining the Data Model ... 68
... 3.4 Accessing Table Data ... 75
... 3.5 Defining the Business Logic ... 81
... 3.6 Creating Deployment Descriptions ... 86
... 3.7 Creating a JSP-Based Web Application ... 93
... 3.8 Defining and Deploying the Entire J2EE Application ... 100
... 3.9 Providing Business Logic as a Web Service ... 103
4. Java Persistence in the SAP Web Application Server ... 107
... 4.1 Open JDBC for Java ... 107
... 4.2 Persistence Infrastructure of the SAP Web AS at Runtime ... 108
... 4.3 Java Dictionary ... 112
... 4.4 Developing an Example Application ... 115
... 4.5 Open SQL/SQLJ ... 119
... 4.6 Enterprise JavaBeans-Container-Managed Persistence ... 131
... 4.7 Programming with Java Data Objects ... 143
... 4.8 Persistence for Experts ... 164
5. Web Services in the SAP Web Application Server ... 167
... 5.1 The Web Service Framework ... 168
... 5.2 Standardizing Web Services ... 169
... 5.3 Providing a Web Service-The Server Side ... 171
... 5.4 Providing Web Services in Public Directories ... 194
... 5.5 Consuming a Web Service-The Client Side ... 202
6. Web Dynpro: Developing User Interfaces ... 213
... 6.1 Working with the View Designer ... 213
... 6.2 Interactive Forms with Adobe Technology ... 220
... 6.3 Applications with Multiple Views ... 223
... 6.4 Generated and Custom Source Code: Working with Event Handlers ... 230
... 6.5 Changing the User Interface Dynamically ... 238
... 6.6 Web Dynpro Components ... 242
... 6.7 Communication Between Controllers ... 249
... 6.8 Summary ... 251
7. Web Dynpro: Developing Business Applications ... 255
... 7.1 Web Dynpro Calls a Web Service-Five Steps to an Application ... 256
... 7.2 Web Dynpro Controllers and Their Interfaces ... 278
... 7.3 Contexts and Data Flow Between Backend and Frontend ... 290
... 7.4 Using Data Type Information ... 308
8. SAP NetWeaver Java Development Infrastructure: Component Model and
Services ... 321
... 8.1 Special Characteristics of Large Software Projects ... 321
... 8.2 Elements of the SAP NetWeaver Java Development Infrastructure ... 326
9. SAP NetWeaver Java Development Infrastructure: Step by Step to the Example
Application ... 371
... 9.1 The Employee Example Application ... 372
... 9.2 First Steps with the SAP NetWeaver JDI ... 373
... 9.3 Defining a Data Model ... 377
... 9.4 Providing Access to Table Data and Business Logic ... 384
... 9.5 Creating a JSP-Based User Interface ... 385
... 9.6 Creating and Testing the Entire J2EE Application ... 387
... 9.7 Making Development Objects Centrally Available ... 389
10. SAP NetWeaver Java Development Infrastructure: Configuration and
Administration ... 393
... 10.1 Configuration of the SAP NetWeaver Java Development Infrastructure ...
393
... 10.2 Administration of the SAP NetWeaver Java Development Infrastructure ...
418
11. The Architecture of the SAP Web Application Server ... 439
... 11.1 SAP Web Application Server Landscape ... 440
... 11.2 Cluster Lifecycle Management ... 448
... 11.3 Scalability and High Availability ... 455
... 11.4 Remote Debugging ... 466
... 11.5 Runtime Architecture Overview ... 468
12. Supportability of SAP Web Application Server ... 483
... 12.1 Logging ... 483
... 12.2 Monitoring ... 485
... 12.3 Administration ... 492
... 12.4 Performance Analysis ... 498
Appendix ... 501
... A. The authors ... 501
Index ... 505
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