XML Data Exchange using ABAP
Short summary:
exception handling, you should refer to The Official ABAP. Reference ( Horst Keller: SAP PRESS 2004 ). CALL TRANSFORMATION transformation ...
Long summary:
www.sap-press.com 1 XML Data Exchange using ABAP Tobias Trapp Contents 1 Introduction . 5 XML in E-Business . 5 XML in Application Integration . 5 Exchanging Data and Documents . 5 Structure of this Book . 6 System Requirements . 6 Acknowledgements . 6 2 XML Technologies and Data Exchange . 7 2.1 Important Standards of the XML Family . 7 XML 1.0 . 7 XML Transformation Using XSLT . 7 XML Schema for Data Modeling . 8 XML Framework in E-Business . 8 2.2 Data Exchange in Business Processes . 9 XML in Integration Scenarios . 9 Data Exchange with External Partners . 9 Conclusion . 9 2.3 Using XML Technologies in SAP Systems . 10 Application Integration . 10 3 XML Library . 13 3.1 Important Interfaces . 13 3.2 Data Sources . 14 Encodings . 14 Unicode . 15 3.3 DOM API . 15 Response Scenario for a cXML Interface . 16 3.4 Rendering XML Documents and Encodings . 17 3.5 Validating Against DTDs . 17 3.6 Pitfalls Regarding Namespaces . 20 Namespace Support of the XML Library . 21 Identifying Elements with Namespaces . 23 3.7 Event-Based Parsing . 23 SAX Interface . 24 Pitfalls . 25 Using Rule Sets . 25 3.8 Useful Tips . 26 4 XSL Transformations . 29 4.1 Integrating XSLT into the ABAP Workbench . 29 4.2 Integrating XSLT in ABAP . 31 Calling XSLT from ABAP . 32 Calling ABAP from XSLT . 32 Exception Handling in ABAP Calls from XSLT . 35 4.3 Transforming ABAP Data . 36 Serializing ABAP Data . 36 Sample Deserialization . 37 Realistic Scenarios . 43 4.4 SAP-Specific Extensions . 43 Numeric Functions . 44 String Functions . 44 XPath Operators and Path Expressions from XPath 2.0 . 44 Commands for Nodesets . 45 Other Functions . 45 SAP-Specific Restrictions . 45 2 © Galileo Press 2006. All rights reserved. Contents 4.5 XSLT 2.0 Support . 46 Grouping XML Elements . 46 Definitions of XPath Functions and Conditional XPath Expressions . 46 Several Input and Output Documents . 48 Output Formatting . 48 4.6 G ...
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