Table of Contents

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  1. Preface
  2. Web Services
  3. SOAP Web Services
  4. WSDL Data Object
  5. Schema Object
  6. How to Create a SOAP Web Service
  7. Operation Mappings
  8. Parsing Web Service SOAP Messages
  9. Generating Web Service SOAP Messages
  10. Web Service Consumer Transformation
  11. REST Web Services
  12. How to Create a REST Web Service
  13. REST Web Service Consumer Transformation
  14. REST Web Service Consumer Transformation Use Cases
  15. REST and SOAP Web Service Administration
  16. Appendix A: Datatype Compatibility

Web Services Guide

Web Services Guide

SOAP

SOAP

SOAP is the communications protocol for web services. It defines the format for web service request, response, and fault messages. The Data Integration Service can process SOAP 1.1 and SOAP 1.2 messages with document/literal encoding.
A SOAP message contains the following sections:
SOAP envelope
The envelope defines the framework of the message, the content of the message, and what should handle the message.
SOAP header
The header identifies the entity that sent the SOAP message. It includes authentication information. It also includes information about how to process the SOAP message.
SOAP body
The body is the container for the data that the client and web service provider pass between each other.
SOAP messages are XML. When a SOAP message contains multiple-occurring elements, the groups of elements form levels in the XML hierarchy. The groups are related when one level is nested within another.
A SOAP request message can contain hierarchical data. For example, the client sends a request to add customer orders to a sales database. The client passes two groups of data in a SOAP request message. One group contains a customer ID and name, and the other group contains order information. The order information occurs multiple times.
A SOAP response message can contain hierarchical data. For example, a web service client generates a SOAP request for customer orders. The web service returns an order header and multiple-occurring order detail elements in the SOAP response.

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