SAP FlashbookProviding Web ServicesPart 2Author: Susanne Rothaug

This e-learning session contains narration!

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Objectives

After completing this session, you will be able to:

manually create and edit a

Web Service Definition and a Web Service Configuration

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Web Service Definition

A Web service Definition is the assignment of behavior to a Virtual Interface via features

MotivationA Web service is not only described by its interface but also by its behavior with respect to

stateless/stateful communication, transactional behavior, security requirements, …

Idea describe this kind of behavior via abstract features leave it to the Web Service Configurator to assign technical protocols to these

abstract features Example:

Feature: Stateful Technical Protocols: Stateful via HTTP-Cookies,

Stateful via URL-Extensions

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Web Service Definition

Benefits

The same Web Service definition can be deployed to various application servers which may differ in their technical capabilities

Web Service Client implementations do not depend on technical server information

Clients are generated based on implementation-independent Web Service definitions

Technical details are configured separately in the Web Service Client Runtime

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Create Web Service Definition

Choose “Web Service

Definition”

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Create Web Service Definition

Specify a name

Choose a package

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Create Web Service Definition

Overview of the WSD

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Create Web Service Definition

Features of the WSD: Session

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Create Web Service Definition

Features of the WSD:

Authentication

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Create Web Service Definition

Features of the WSD:

Authorization

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Create Web Service Definition

Features of the WSD:

Transport Guarantee

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Create Web Service Definition

Feautures of the WSD:

Message ID

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Web Service Configuration & Deployment - 1 -

A Web Service Configuration is the assignment of technical

protocols to abstract features

Based on the Web Service capabilities of the specific SAP Web Application Server

Configuration of additional Web Service Runtime featuresLogging, Tracing, MonitoringSecurity Roles…

Deployment as usualSDM deployment in Java

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Web Service Configuration & Deployment - 2 -

Create New Deployment Descriptor

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Web Service Configuration & Deployment - 3 -

Select “Web Service

Configurations”…

…and choose “Add”.

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Web Service Configuration & Deployment - 4 -

Choose the EJB

Reference

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Web Service Configuration & Deployment - 5 -

Choose the WSD

Reference

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Web Service Configuration & Deployment - 6 -

Select “CreditCheckWS”

…

…and choose “Add”.

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Web Service Configuration & Deployment - 7 -

Choose the transport binding

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Web Service Configuration & Deployment - 8 -

Overview of the WSC

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Web Service Configuration & Deployment - 9 -

Authentication Types

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Web Service Configuration & Deployment - 10 -

Create EAR project

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Web Service Configuration & Deployment - 11 -

Build EAR file

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Web Service Configuration & Deployment - 12 -

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Summary

Now you should be able to:

manually create and edit a

Web Service Definition and a Web Service Configuration