java programming with sap web application server€¦ · logic integration logic business logic...

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SAP TechEd ‘04

Java Programming with SAP Web Application Server

Carsten Brandt / Daniel Stollenwerk

© SAP AG 2004, SAP TechEd / JAVA251/ 2

Agenda

SAP’s Environment for Java Development

Traveling from Database Layer to Client Layer� Persistence Layer� Business Layer� Integration Layer� Presentation Layer

SAP NetWeaver Portal

Summary

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SAP TechEd ‘04


SAP NetWeaver Developer Workplace


SAP NetWeaver Application Server

SAP J2EE Engine

WebServicesRuntime

WebDynproRuntime

AdobeDocument

Services

Data baseAccessLayer

OpenSQL

� Full J2EE support� Clustering� Easy Deployment

Local File System

SAP NetWeaver Developer Studio

Java J2EE

WebServices

JavaDictionary SQLJ

WebDynpro

SAP Integration Layer

Plugin Framework

XML

Deploy

� Comprehensive IDE� Graphical Tools� Based on Eclipse

Save

SAP J2EE Engine

SAP NetWeaver Development Infrastructure

SAP J2EE Engine

Deploy

Design TimeRepository

(DTR)

ComponentBuild

Service (CBS)

Change ManagementService (CMS)

� Componentize projects� Check dependencies� Synchronize large teams� Full software life-cycle

Save

Sync


Agenda




Summary

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SAP TechEd ‘04


Event Evaluation Demo


Event Evaluation Architecture

DB

PresentationLogic

IntegrationLogic

BusinessLogic

PersistenceLogic

AdobeDcumentServices EducationDataServices

DataAccessObjects

EducationDataBeans

SchedulerApplication AttendeeApplication Web Dynpro

Web Services

EnterpriseJava

Beans

SQLJ

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SAP TechEd ‘04


Java Dictionary

Create elementary types, structures, and database tables

Supported� DB index� Table buffer� Global namespace (Name Server)� Data types

Benefits� Enables database independency� SQLJ is based on JDIC � Included in Web Dynpro� Open SQL features


Java Dictionary Perspective

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SAP TechEd ‘04


Open SQL for Java

Open SQL Engine^

Open SQL / JDBC

Open SQL / SQLJ

JDO

EJB (CMP)

SQL Trace

Statement Cache

Table Buffer

Table Catalog

Native SQL/ JDBC

Vendor A JDBC Vendor B JDBC

Database B

. . .

Database A

Relational Persistence (SQL) Object Relational PersistenceDatabaseindependency� Open SQL

Development support� Syntax check during

implantation

Performance enhancements� Server side Table Buffer� SQL Statement Cache� SQL Trace

Open SQL Engine


SQLJ Editor

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SAP TechEd ‘04



DB

PresentationLogic

IntegrationLogic

BusinessLogic

PersistenceLogic


DataAccessObjects

EducationDataBeans


Web Services

EnterpriseJava

Beans

SQLJ


Java Dictionary and J2EE Project Types

EducationDataModelWeb(Web Module Project)

DeploymentDescriptors

WAR

EducationDataModelEjb(EJB-Module Project)

EJB-JAR

EducationDataModelEar(Enterprise Appl. Project)

EARDeploy

SAP

Web

App

licat

ion

Serv

er

EducationDataModelDic(DictionaryProject)

Central Types & Tables

SDA

xml / xdp / jpg .

DeployTabl

eEJ

BW

eb

EJB .



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SAP TechEd ‘04


J2EE Perspective



DB

PresentationLogic

IntegrationLogic

BusinessLogic

PersistenceLogic


DataAccessObjects

EducationDataBeans


Web Services

EnterpriseJava

Beans

SQLJ

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SAP TechEd ‘04


Web Service Wizard


Web Service Test Page

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SAP TechEd ‘04



DB

PresentationLogic

IntegrationLogic

BusinessLogic

PersistenceLogic


DataAccessObjects

EducationDataBeans


Web Services

EnterpriseJava

Beans

SQLJ


Interactive Forms Solution - Scenarios

Browser withAdobe Reader plug-in

SAP

Web

App

licat

ion

Serv

er

Adobe Reader offline

e-mail

save

Archive

Online interactive forms� Full integration into Java Web Dynpro

framework� Context-sensitive value help, online

checks

Offline interactive forms� Offline interaction (no SAP system

access needed)� Static value help, static checking,

simple arithmetic calculations � Self-contained PDF (XML data+layout)

Process forms� Documents get printed, e-mailed,

archived or faxed

E-mail

Print

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SAP TechEd ‘04


Interactive Forms - Design Time



DB

PresentationLogic

IntegrationLogic

BusinessLogic

PersistenceLogic


DataAccessObjects

EducationDataBeans


Web Services

EnterpriseJava

Beans

SQLJ

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SAP TechEd ‘04


What is Web Dynpro ?

A Programming Model for User Interfaces� Offered for Java and ABAP� Derived from the MVC (“model-view-controller”)

design pattern

A Set of Tools for User Interface Design� Focus on graphical modeling� Code is generated from the meta-model

declaration

A Runtime Environment for Applications� Framework running on J2EE server offers

common services� Client-side technology for browser-based user

interfaces

A Technology for Software Modularization� Components help structure projects and support

pattern-based UIs

Æ platform-independent

concepts separate layout and logic

Æ minimize coding, maximize design

Æ facilitates alternative clients

and new client technology

Æ supports reuse of components


Web Dynpro Meta-Model Principles

Web Dynpro Component

View ViewController

CustomController

CustomController

View ViewController

View ViewController

CustomController

View ViewController

ModelInterface

ModelInterface

Proxys connectto the backend system (mySAP, Web Services, ...)

BackendProxy

BackendProxy

usages

Views definewhat the user seeson the screen

Viewcontrollershandle eventsfrom the user

Customcontrollersoffer globalservices

Models provide access to theinterfaces in the backend

Model View Controller

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SAP TechEd ‘04


Web Dynpro Perspective


Agenda




Summary

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SAP TechEd ‘04



Role based, …

…and Web based…

…access to any kindof applications, information, and

servicesHCM …

…secure,… Authentication

Scheduler Attendee

Single Sign On

SAP NetWeaver Portal 6.0SAP NetWeaver Portal 6.0


Integrating Web Dynpro Apps into SAP NW Portal

Web Dynpro iView wizard

Unified rendering

Unified branding� according to portal theme

Portal eventing� between different Web Dynpro

applications (and other non Web Dynpro portal content)

Portal Navigation� Web Dynpro applications can

trigger page- or object link navigations from (almost) any available Web Dynpro UI element

Work Protect Mode

iView WizardiView Wizard

Portal BrandingPortal Branding

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SAP TechEd ‘04


Agenda




Summary


SAP NetWeaver – Java Features and Highlights

Java Development Infrastructure � Comprehensive development & lifecycle

Java Dictionary & Open SQL for Java� DB-independent persistence framework

Web Services� Comprehensive Standard-based Infrastructure

Web Dynpro� Professional User Interface

Interactive Forms Solution – Powered by Adobe � Easy of design for user-friendly scenarios

Enterprise Portal� Role-based, secure and fully Web-enabled

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SAP TechEd ‘04


Q&A

Questions?