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Understanding Web Services: XML, WSDL, SOAP, and UDDI

By Eric Newcomer

Published by Addison-Wesley Professional

Published Date: May 13, 2002

Table of Contents

(NOTE: Each chapter concludes with a Summary.)

Preface.


Acknowledgments.


Introduction.


1. Introducing Web Services.

The Basics of Web Services.

A Simple Example: Searching for Information.

The Next Generation of the Web.

Interacting with Web Services.

RPC-Oriented Interactions.

Document-Oriented Interactions.

The Technology of Web Services.

Usage Example.

XML: The Foundation.

WSDL: Describing Web Services.

SOAP: Accessing Web Services.

UDDI: Publishing and Discovering Web Services.

XML for Business Collaboration: ebXML.

Web Services versus Other Technologies.

Additional Technologies.

Vendor Approaches to Web Services.



2. Describing Information: XML.

A Simple Example.

Instance and Schema.

Data Type and Programming Language.

More on XML Schemas and DTDs.

Processing XML Documents.

Namespaces.

Transformation.

XSLT.

XPath.

Document Structure.

Mapping Tools.

A Simple Example (Revisited).

XML Specifications and Information.

XML Specifications Related to Web Services.

General Information.



3. Describing Web Services: WSDL.

WSDL Basics.

WSDL Elements.

The Extensible WSDL Framework.

Defining Message Data Types.

Defining Operations on Messages.

Mapping Messages to Protocols.

Putting It All Together.

Importing WSDL Elements.

WSDL-Related Namespaces.

Extensions for Binding to SOAP.



4. Accessing Web Services: SOAP.

A Simple Example.

The SOAP Specification.

SOAP Envelope.

SOAP Header.

SOAP Body.

SOAP Faults.

RPC Convention.

Data Type Mapping.

HTTP Binding.

Version Control.

SOAP Message Processing.

SOAP Use of Namespaces.

Changes in the v1.2 Draft.

SOAP Multipart MIME Attachments.

SOAP in the Context of Existing Systems.

SOAP's Future Directions.



5. Finding Web Services: UDDI Registry.

The UDDI Organization.

The Concepts Underlying UDDI.

How UDDI Works.

UDDI Data Model.

Generic Data.

The Business Entity.

The Binding Template.

The tModel.

UDDI SOAP APIs.

Inquiry APIs.

Publisher APIs.

Usage Scenario.

Updating the Registry.

Retrieving Information.

Using WSDL with UDDI.

UDDI for Private Use.

UDDI Support for SOAP, Complex Business Relationships, and Unicode.

SOAP.

Unicode.



6. An Alternative Approach: ebXML.

Overview of ebXML.

A Simple Example.

Deploying ebXML.

The ebXML Specifications.

Architectural Overview.



7. Web Services Architecture: Additional Technologies.

Security.

WS-License and WS-Security.

Process Flow.

XLANG.

Transaction Coordination.

BTP.

Extended Transactions.

Messaging.

WS-Inspection.

WS-Referral.

WS-Routing.

BEEP.

Reliable HTTP.

Web Services Foundations.

RosettaNet.

XML-RPC.



8. Implementing Web Services.

Implementation Architectures.

The Major Implementation Streams.

Microsoft's .NET.

J2EE and Application Servers.

Application Server Vendor View.

Java APIs for Web Services.

J2EE Initiatives for Additional Technologies.

Understanding .NET versus J2EE.

Vendor Views on Adoption of Web Services Technologies.

The Questionnaire.

BEA Systems.

Cape Clear.

Hewlett-Packard.

IBM.

IONA.

Microsoft.

Oracle.

Sun Microsystems.

Systinet.

Others.

Implementations of ebXML.



Index. 0201750813T05082002

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Understanding Web Services: XML, WSDL, SOAP, and UDDI

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