Quick Web Dev Using JDeveloper 10g

8/8/2019 Quick Web Dev Using JDeveloper 10g

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Java-Based Oracle Web

Development

By Bradley D. Brown, TUSC


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Abstract

JDeveloper 10g is an amazing developmentenvironment. With the Oracle Application DeveloperFramework (ADF), which includes TopLink, andBC4J, you can quickly and easily develop a

GUI/HTML-based Web application using this point-and-click, drag-and-drop development tool. Thispresentation will discuss: How ADF allows you to map a database object into an

ADF Business Component

ADF Business Component view objects

ADF Business Component Application Modules

The ADF Data Bindings and Control components

The Java Server Page

In one hour you'll learn how to quickly develop anapplication using JDeveloper 10g


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Topics Covered - Agenda

What is JDeveloper?

What is ADF? Quick Web

Development

Tips and Tricks

If you never accept a challenge,

you will never feel the excitement

of victory.


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What is JDeveloper 10g?

Oracle JDeveloper 10g is a J2EEdevelopment environment with end-to-endsupport formodeling, developing,

debugging, and deploying e-businessapplications and Web services. OracleJDeveloper 10g allows developers to buildJ2EE applications and Web services eitherfrom scratch or by using a J2EE

framework. Whatever implementation ischosen, JDeveloper offers all theproductivity tools needed to get the jobdone.


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New Features as of 10g

Application

Development

Framework (A

DF) Faster Development

Integrated MVC

patterns

New J2EE Features

New wizards TopLink integration

Web Service

improvements

IDEEnhancements

New look and feel

Code editorimprovements

Better modeling

Database

Development

Database modeling Editing DB objects


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New with 10.1.3

JSF Java Server Faces

Replacement for Oracles UIX

and industry standard

Provides for easy templates for

consistent application look and

feel


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What is ADF?

Oracle ADF is a comprehensiveproductivity layerfor J2EEdevelopers. It simplifiesbuilding applications as a set of

business services with Web,Wireless, and Rich Clientinterfaces. ADF acceleratesdevelopment with ready-to-useJ2EE Design Pattern

implementations and metadata-driven components that you'dotherwise have to code, test,and debug by hand.


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Quick Web Development

From table to

HTML with

navigation in no

time

Full best

practice

implementation Model Business

components

View JSP / JSF

Controller


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5 Steps to Success

Create a

1 Create Application

2 Create BusinessComponents

3 Create Default Data

Model Components

4 Create Pages5 - Run the Application


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Create a New ApplicationStep 1

Right click on

Applications in

Navigator Click on New

Application


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Name the Application

Name the

application

whatever youwish

Use the Web

Application

template

Click OK


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Model and ViewController

2 new projects

are

automaticallycreated under

the application

Model

ViewController


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Create Business ComponentsStep 2

Right click on

Model

Click New


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Pick Your Database

Select a database

Oracle

Oracle Lite

SQL Server

SQL92

DB2


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Connecting to the DB

Click New or

In Navigator

SelectConnections at

the top tab

Right click on

Database Select New

Database

Connection


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Database Connection Wizard

4 Steps

Name the connection

Specify a username and

password to connect to

Specify the connection

parameters (i.e. the

database and machine

to connect to)

Test the Connection


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Create Business Components from

Tables Wizard

Intro page

Entity Objects

Updatable View

Objects

Read-only Objects

Application Module Business

Components

Diagram


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Create Default Data

Model Components

Step3

Binds everything together based

on the referential rules

Can be done manually too


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Business Services are

Complete

All of ourbusinesscomponents

have now beencreatedEntity Object

View Object

ApplicationModule

Its time tocreate the GUI

application


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Created Updatable View Objects

This object gathers

and filters the data

stored in the entity

object

Uses a SQL Query

to form a collection

of data

Can be comprisedof multiple entity

objects (i.e. join

tables)


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Application Modules

The Application

Module is a

service objectthat coordinates

view objects for

a specific task

(i.e. a form todisplay the

employee data)


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Create PagesStep 4

This is ourViewController

section of theMVC

The controllerseparates thevisualrepresentation ofweb pages(view) from theirflow and actions

Edit the Controller (faces-config.xml)


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Creating a Page

Double-clickfaces-config.xmlin the navigator

Then click JSF

Page in theComponentPalette

Then click in thediagram windowto place the Page

Change the namefrom /emp.jsp(dont remove theforward slash)


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Designing the JSF Page View

Create JSF page


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Creating the Page

Drag the JSF

Page icon

Name the JavaServer Page

(JSP)

Use defaults for

each page

Can select

template


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Dropping Business

Components

Utilizing thebusinessservice you

created in themodel, wellcreate the JSP

In the DataControlPalette, select

the view object(i.e. EmpView)

Drag and drop itonto the page

Choose object


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The ADF Input Page

By dragging anddropping theE

mpView objectas an ADFForm eachcolumn from thetable(s) is

displayed IncludeNavigation andSubmit Button


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The Page

JDeveloper creates

an initial page

layout for you You can edit this

page as you wish


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Running the ApplicationStep 5

Back to the

diagram

Right-click on theobject and choose

Run


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The Final Page

The form is

complete and fully

functional!!!

Insert, update,

delete, query HTML-based

Full locking

Easy to deploy

using the one-clickdeployment

How easy is that?


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Adding a List of Values

Delete the

DeptNo input

field Find the DeptNo

in the Data

Control Palette

Select ADF

Select One

Choice


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Associate LOV

Can build a

static or

dynamic LOV Choose the LOV

table and joining

columns


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OtherNotables

JDeveloper CSS

Editing a CSS

Can edit source or design A main menu is easy to create

Built-in support for UML

Can reverse engineer too Business Components Browser

Right Click on Module, Test


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How Much is All

This Functionality?

Its Free!

June 22, 2005

http://www.info

world.com/articl

e/05/06/22/HNora

clejdeveloperfre

e_1.html


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Create a Many to Many

Pick the FK Link

Choose the

Many to Many Drop the link

into the main

section of the

page

Add buttons


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Great Reference

http://www.oracle.com/technolo

gy/obe/ADF_tutorial_1013/ADF_t

utorial.pdf

http://www.oracle.com/technolo

gy/products/adf/learnadf.html


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Other Java Components

to Learn About

Web Services

XML Toolkit

Wireless

Tools written in Java

OEM

Discoverer


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Other Components

to Consider

Apex

PL/SQL is still important

Web Services / SOA

Portal (integrates w/ Java apps)

Collaboration (iMeeting, Files)


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Conclusion

Powerful product!

Some great newfeatures

Enhancements tovisual creating andediting

ApplicationDeveloperFramework is key

Decreasesdevelopment time

Reduced learning

curve

Passionate

about theTechnology

Best in

the World

Economic

engine

Oracle

TUSCs Vision


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Questions and Answers


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metalink.oracle.com

technet.oracle.com

otn.oracle.com jakarta.apache.org

www.tusc.com

JDeveloper Help

Tutorials are great

Where to Get More

Information


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Please report errors to TUSC. Neither

TUSC, or the author warrant that this

document is error-free. TUSC 2007. This document may not be

copied or reproduced without the

express written consent of TUSC.

Special Thanks To

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