D02 - What are the best tools for Building Web 2.0 Applications.ppt

© 2007 IBM Corporation
Conference materials may not be reproduced in whole or in part without the prior written permission of IBM.
2007 WebSphere Services Technical Conference
world class skill building and technical enablement
April 23 - 27, 2007 • Las Vegas, NV
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What are the best tools for building Web 2.0
Applications
D02
Matthew Perrins - Senior Certified IT Specialist

2
IBM Confidentiality Statement
• The 2007 WebSphere Services Technical Conference
attendees include
 IBM internal employees
 Select Business Partners who are under confidentiality or
non-disclosure agreements (NDAs)
• If the contents of this presentation are IBM Confidential, you
must
 Edit the contents of this chart to remind attendees that it
is their responsibility to protect IBM Confidential material
 Edit the slide master to add a text box stating “IBM
Confidential”
 Include a slide reminding the attendee that this material is
confidential and dissemination must be controlled
• If the material in this presentation is not IBM Confidential,
you may remove this chart

3
Objectives
• Brief introduction to what is Web 2.0
• Walk through the current tools that support
the building of Rich Internet Applications
• Walk through the tools that support building
Zero application
• Demo of the Tools

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So what is Web 2.0 and Why is this
important ?

5
The evolving Web platform
Web 2.0 is about connecting people,
and making technology efficient for people.
Web 1.0 was about connecting computers
and making technology more efficient
for computers.
Web 2.0 changes the way in
which businesses interact
with its customers
Web 2.0:
 Is about communities and social networks
 Builds contextual relationships and facilitates
knowledge sharing
 Is about people and the way they collaborate

6
Core Competencies of Web 2.0
Companies
 Services, not packaged software,
with cost-effective scalability
 Control over unique, hard-to-
recreate data sources that get
richer as more people use them
 Trusting users as co-developers
 Harnessing collective intelligence
 Leveraging the long tail through
customer self-service
 Software above the level of a
single device
 Lightweight user interfaces,
development models, AND
business models
Source: http://www.oreillynet.com/pub/a/oreilly/tim/news/2005/09/30/what-is-web-20.html
O’Reilly’s view of Web 2.0

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Web 2.0 Themes
•The Intelligent Web
•Harnessing
Collective
Intelligence
•Tools: RSS,
AJAX, PHP,
Ruby,
Lightweight
Java
•End of the
Software Release
Cycle
•SW above a
single device
•Data is the
•“intel Inside”
•Standards: REST,
XHTML, CSS
•Techniques:
Mash-up, wiki,
tagging, blogging
•Rich user
experiences
•Light-weight
programming
models
•Web as a
Platform

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Bridging Web SOA and Enterprise SOA
Enterprise SOA
Web SOA
RSS
Web SOA
Bridge
ATOM
JSON
REST
AJAX
XML
PHP
Enterprise
MASHUPS
FEEDS
.NET
J2EE
WSDL
CICS
WS-*
MOM
SOAP
Ruby
J2SE
JDBC
JMS

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Programming with Ajax

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Ajax?
• Asynchronous JavaScript + XML
Jesse James Garrett, Adaptive Path
• Supports a rich client interaction model that is intuitive, responsive, and
timely.
 Comparable to desktop applications.
• Continuous user interaction with event driven server processing and
dynamic content refresh
 vs. interrupted interaction with request driven server processing
followed by static page refresh.
• The next presentation will explain Ajax in detail

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The classic web interaction

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The Ajax web interaction

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True AJAX Clients Are (By Design),
Server-Neutral
• A fundamental reason AJAX has
increased in popularity is that it’s
server-technology neutral through
the use of basic HTTP protocol
• Applications has more flexibility to
change out the back-end service
implementation
•Browser Platform
•(moz,ie,safari,opera…)
•Java
•PHP
•.NET
•J2EE
•Services
•Services
•Services
•Services
•Services
•Services
•Services
•Services
•HTTP
•“Client”
•“Server”
• The nature of PHP makes it a client
in terms of enterprise applications,
but from an AJAX client perspective
it is always a server technology

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REST

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JSON
•Java Script Object Notation
var myJSONObject = {"bindings": [ {"ircEvent": "PRIVMSG", "method":
"newURI", "regex": "^http://.*"}, {"ircEvent": "PRIVMSG", "method":
"deleteURI", "regex": "^delete.*"}, {"ircEvent": "PRIVMSG",
"method": "randomURI", "regex": "^random.*"} ] };
•JavaScript equivalent of :
 XML, ValueObject, Cargo Beans
•JSON-RPC can be used to send Serialized
JavaScript from Browser to Server.

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Competitive View
• Extend HTML
• Replace HTML • Replace HTML
• Open Standards
• Proprietary • Proprietary
• Any Browser
• Flash Plug-In • Vista OS / XP?
• Evolution
• Revolution • Revolution
SilverLight
WPF/E
Apollo

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Ajax Adoption
• Issues:
 JAVASCRIPT STINKS !!!!!
• Difficult to code, debug, make portable, etc…
 JSON is faster than XML, community knows this.
 JSON or REST is preferred over SOAP in most popular frameworks
Programmer need to understand XML, CSS, DHTML, JS, JSON, Async
Programming and much much more
• Success of Ajax will be on tools and frameworks that can hide as much
JavaScript as possible.
 Frameworks needed in the browser.
• Dojo
• Zimbra
• Rico
 Tooling needed
• Eclipse Ajax Toolkit
• Currently only Top Talent that can build these apps

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What Tools do we need
Tools can make develop, test, run easier

19
Scale of Feature and Function
• Tools Spectrum
 Where do you want to start ?
 Is it Cost vs. Function ?
 Do you use enterprise tools ?
Notepad/Vi
Firebug
Rational Application
Developer
+
ATF/ FireBug
JSEclipse
Apache
…
Eclipse
ATF
JSEclipse
Derby Tools
Depth of Function
The Acid Test for
Web 2.0 frameworks
is can you develop in
Notepad !

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Walk through the Tools
• Vi & Notepad
• IDEs
 Eclipse
 RAD 7.0
• Project Zero
 Eclipse Tools
 Catalog Zero
•Ajax Tools
 Ajax Toolkit Framework ATF
 FireBug
• Additional Tools
 Adobe JavaScript Editor - Plug-in
 Apache Derby - Plug-in
• Demo
•Summary

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Vi & Notepad
•The acid test for modern simple internet
frameworks is :
 “can they install on the command line and
have their artefacts created with notepad”
•So the first IDE that most developers ever
used was a simple text editor, and the
Windows and Linux operating systems have
two built in, “Vi” and “Notepad”

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Screenshot of Notepad

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Limitation
• Notepad and Vi are good at editing individual files
• They are not very good at managing the whole build
and deploy process for testing
 The new world is moving away from complex
runtimes to one where apps are the container, so
the speed of creating artefacts is key not
necessarily deploy and run.
• They are missing lots of features that even low end
Integrated Development Environments have.
 Code Complete etc…

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Ajax Toolkits
• There are a large number of toolkits available 65 and counting…
• Toolkits offer a defined JavaScript interface to the DHTML, CSS and DOM of a
browser
• There is no defined standard so choosing your toolkit may be important as more
code is developed to these toolkits.
• The toolkits are generally server neutral, meaning they can work with a variety of
server side programming frameworks, including :
 PHP, Ruby, WebSphere, .NET
• The main toolkits are :
 Dojo
 Zimbra
 Google Widget Library
 Yahoo Widgets
 Backbase
 Microsoft Ajax Toolkit
• Microsoft have built an Ajax Toolkit that will work with other server side
programming models, this may become popular

25
Dojo Toolkit
•IBM is supporting the Dojo Toolkit
•Good News Ajax works with WebSphere and Portal Server Today
•IBM sees this as one of the most flexible of all the toolkits on the current market.
•They have evaluated its features :
 Dojo has lots of interesting features but lacks enterprise capabilities like security, NLS etc.
 IBM has successfully included developers as contributors to the project
 IBM will be investigating its inclusion in future product releases from WebSphere and Lotus brands
 IBM Services are being recommended to use Dojo for Ajax development
 Currently no development tools designed specifically for Dojo

26
Dojo Broswer Toolkit
• Dojo is an Open Source DHTML toolkit
written in JavaScript. It builds on
several contributed code bases.
 Provides Rich Set of Widgets
 Web UI Framework
 Rich Event handling System
 General Purpose HTML Libraries
 Several other utilities
 Math, XML to JS parsing, etc…

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Development Tools
(Ajax Toolkit Framework)
Eclipse Project

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Agenda
Overview
AJAX Toolkit Framework Components
Component Details
Where to get AJAX Toolkit Framework
Demonstrations through-out
ATF Based Products

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Overview
•The AJAX Toolkit Framework (ATF) is an Integrated Development
Environment (IDE) for AJAX developers and an extensible framework for
adding AJAX runtimes in to the IDE.
•ATF is an open-source project in incubation phase on Eclipse.
•Provides
 Tools to develop any DHTML/AJAX application
 Tooling to facilitate use of various AJAX toolkits
 Tight integration with the existing Eclipse user interface and development
paradigm
•Targets AJAX Application Developers and Toolkit Developers
•Aims to provide an ever-expanding set of high-function tools for AJAX
developers
Works with Eclipse 3.2.2 and Rational Application Developer 7.0

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AJAX Toolkit Framework are Eclipse Plugins
Mozilla
XULRunner & JavaXPCOM
E
C
L
I
P
S
E
Eclipse WebTools
AJAX Toolkit
Framework

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AJAX Toolkit Framework Components
•Creating AJAX applications
 Drag and Drop Application Snippets
•Browser Tooling
 DOM Source view, DOM Inspector, Browser Console, XHRequest
Monitor, and CSS Tools
•JavaScriptTM Editor
 Integrated JavaScript editor with batch and as-you-type syntax validation
•JavaScript Debugger
 Stack Frame, Variables and Script view
•Embedded Mozilla Browser
 Run/Debug an Ajax application in the Embedded Mozilla Browser
•Application Deployment
 Deployment of an AJAX Application to a server.
•Personality Builder
 Ability to create tooling for AJAX toolkits

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Mozilla
XULRunner & JavaXPCOM
Eclipse WebTools
Eclipse Plugins
JavaScript Syntax
Validator
Personalities
DOM Inspector
And JavaScript
Console
Java Script
Debugger
Embedded Mozilla Browser
Personality Builder
Rico
Personality
Zimbra
Personality
Dojo
Personality
Rico Zimbra Dojo
Personality Common Libraries
AJAX “X”
Personality
Ajax-x

33

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JavaScript Debugging

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Ajax Application Creation
•Support for three AJAX runtimes today
Dojo, Rico, and Zimbra
Personality Builder supports adding other AJAX runtimes.
•Application Creation Wizard
Template to create initial Ajax Application
Drag and Drop snippets to Application Source File
•Eclipse Projects
Static Web Project, Dynamic Web Project, and PHP
Projects
Able to add in AJAX to existing project.

36
JavaScript Editor
•Enhanced Editor with Validation
 Integrated JavaScript editor
 Batch and as-you-type syntax validation
•Syntax checker based on the Mozilla Rhino engine
•Validator based on JSLint
 Detects undesirable or ambiguous constructs considered to be bad
practice
 JSLint errors are consider warnings.
•Drag and Drop snippets to Application Source File

37
Application Deployment
•Multiple Server Types
 HTTP Web Server
 J2EE Servers
•HTTP Web Server
 Support defining a HTTP Web Server in Eclipse
•Ability to specify publish directory
•Defining the HTTP server port
•Support for Home Page URLs (~username)
•J2EE Servers
 Multiple J2EE Servers (WebSphere,Tomcat,etc)
 Testing done using Tomcat
•Publishing Options
 Automatically publish to server
 Never publish to server

38
Embedded Mozilla Browser
•Integrated the Mozilla Browser
 in Eclipse 3.3 XULRunner is part of the platform
•Using XULRunner
•Provides the engine for AJAX Tooling
Debugger
JavaScript Engine
Browser Views
•Mozilla perspective

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JavaScript Debugger
•Breakpoints
Ability to set breakpoints in JavaScript
Any file type with JavaScript content (html, js, php).
Breakpoints can be enable/disabled
•Debug Views for JavaScript
Call Stack
Variables
Breakpoints
Scripts View
•Expression Support
•Debug Preference options

40
URL Debugging/Running
•Able to launch and debug an AJAX application using
a URL.
•Application doesn’t have to reside in Eclipse.
•All tooling supports handling files by URL.
Editor
Debugger
Browser tooling
•Breakpoint Management
User has to manually delete breakpoints

41
Browser Tooling
•DOM Inspector
 Shows the DOM tree rendered by the Browser
 Dynamically updated to reflect changes within the browser
 Attributes of a node can be edited, added to, and removed
 A breadcrumb trail of hyperlinks is created for the node's path
•DOM Source view
 Displays the HTML source of the selected DOM node
 Source can edited, validated, and updated back to the browser
 Notification of a DOM element's source being out of sync with the browser
•Browser Console
 Shows all browser (i.e JavaScript, CSS) errors, warnings, and logging
messages
 Double clicking on an error opens to the relevant line of code
• XMLHTTPRequest Monitor
 Observe XMLHTTPRequest request/response information
 Formatting of the response body based on content-types

42
Browser Tooling
•CSS View
 Style Rules
•Shows the rules and their defined properties
•Able to edit and add a property
•Open CSS file for the rule and property
•Highlights the DOM elements using a selected style rule or property
 Computed Styles
•Shows every style rule computed by the browser
 Box Model
•Shows the dimensions, x-y coordinates, padding, border, and margin
information
 Diffs
•Shows the changes made to CSS rules and properties

43
Personality Builder
•A set of Wizards which accept:
 Artifact data (AJAX toolkit libraries)
 Build requirements data
 New application templates
 Code patterns
 Deployment data
•Wizards output a ‘basic’ Personality Plugin
 The builder will provide necessary basic development features targeted
for AJAX toolkits
 Enables customization and addition of functionality

44
Where to get AJAX Toolkit Framework
•Open Source Project on Eclipse
www.eclipse.org/atf
•Listserv and Newsgroup
atf-dev@eclipse.org
news://eclipse.webtools.atf/
•Source Code in Eclipse CVS
•Milestones and Weekly builds
www.eclipse.org/atf/downloads/index.php
•Flash Demo Movies
www.eclipse.org/atf/flash/index.php

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FireFox Plugin for Ajax Development

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Firebug What is it ?
•
•Inspect and edit HTML
 Firebug makes it simple to find HTML elements buried
deep in the page. Once you've found what you're
looking for, Firebug gives you a wealth of information,
and lets you edit the HTML live.
• Tweak CSS
 Firebug's CSS tabs tell you everything you need to
know about the styles in your web pages, and if you
don't like what it's telling you, you can make changes
and see them take effect instantly.
Firebug integrates with Firefox to put a wealth of web development tools at
your fingertips while you browse. You can edit, debug, and monitor CSS,
HTML, and JavaScript live in any web page.

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What is FireBug
• Visualise CSS Metrics
 When your CSS boxes aren't lining up correctly it can be difficult to
understand why. Let Firebug be your eyes and it will measure and
illustrate all the offsets, margins, borders, padding, and sizes for
you.
• Monitor Network Activity
 Your pages are taking a long time to load, but why? Did you go
crazy and write too much JavaScript? Did you forget to compress
your images? Are your ad partner's servers taking a siesta?
Firebug breaks it all down for you file-by-file.
• Debug and profile JavaScript
 Firebug includes a powerful JavaScript debugger that lets you
pause execution at any time and have look at the state of the world.
If your code is a little sluggish, use the JavaScript profiler to
measure performance and find bottlenecks fast.

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What is FireBug
• Quickly find errors
 When things go wrong, Firebug lets you know immediately and
gives you detailed and useful information about errors in
JavaScript, CSS, and XML.
• Explore the DOM
 The Document Object Model is a great big hierarchy of objects and
functions just waiting to be tickled by JavaScript. Firebug helps you
find DOM objects quickly and then edit them on the fly.
• Logging for JavaScript
 Having a fancy JavaScript debugger is great, but sometimes the
fastest way to find bugs is just to dump as much information to the
console as you can. Firebug gives you a set of powerful logging
functions that help you get answers fast.

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Screen Shots

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Zero Example
Walk through Build, Run, Test tools

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File->New->Project

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Run As -> Project Zero

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Ivy.xml

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File->New->Examples->Zero

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Catalog Zero
Repository for zero services

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A Catalog for…
•Service Producers
 to package their code
 to share their code
 to get feedback about their code
•Service Consumers
 to find interesting services, libraries, samples, widgets, and applications
 to download code to reuse
 to interact with a community around popular services
•Administrators
 to advertise components for reuse by corporate developers
 to integrate seamlessly into a deployment and management
environment

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Catalog Zero UI (prototype)

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Catalog Zero Infrastructure
Blue = Zero client code
Purple = Java Zero services
Local Repository (file system)
Enterprise Repository (file system)
Internet Repository
(PEAR.NET, IBIBLIO.ORG)
PEAR
Community
Services
Zero CLI Catalog UI
Catalog Service (Browse,
Search, Manage Packages)
Catalog
Metadata (DB2)
Zero
Eclipse
Plug-In
Community Metadata
(DB2)
Tag Rate Blog
Ivy
Dependency and Versioning
Package Mgmt

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Packaging Support - Ivy
•Ivy is an agile and open source dependency manager
•Manage package dependencies and versions
•Features
Transitive dependencies
Ant integration
Customizable local and remote repositories
Maven repository compatibility (e.g. Ibiblio)
Continuous integration
html reports
•Recently accepted as an Apache project
•Uses XML files (Ivy files) to describe metadata about a package
•Ivy files are extensible. We need to extend them to include live metadata
about the service
e.g. Service descriptor location, doc location, samples location, etc.
•Intent is to use Ivy repository for storing Java as well as PHP artifacts

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Catalog Next Steps - Tooling
•Eclipse Tooling
 Ivy.xml editor as part of package
 Integrated publishing
 Integrated repository browsing
 Autogenerate docs, samples, microformats, etc.
 Related: installation utility
•PHP
 Assumption: Eclipse is the Zero tooling strategy for PHP
 Assumption: We can use Ivy for PHP and Java.0 is always there for
PHP
• We can resolve using either Ivy or PEAR using chained resolvers – maybe
this is a 20% case, not an 80% case
• We could package PHP as an Ivy package

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Mashup Zero
Add Material Here

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Data Pipeline

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Data Pipeline
Glimpse at the results

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Data Pipeline
Programmatic implementation

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Data Pipeline
Declarative implementation

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Data Pipeline
Visual “Mashup” Editor

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Data Pipeline

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Data Pipeline

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Integration Fabric
“Pipes”-style Flow Rendition
Access data
feeds
Aggregate &
consolidate
Prepare for
presentation

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Integration Fabric
Building Blocks for Service Consumers
Palette of templated
building blocks
New industry /
domain-specific
categories
Templated &
modularized ISV
solutions
Additional /
composed mediation
templates
Templatized adapters to
popular applications
(QuickBooks etc)
Solution or composition
samples

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Web 2.0 based online tools
IBM Development Engagement Service

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Getting Started

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Create an Application

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Create a Form

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Apache Derby Tools
working with data

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Derby Eclipse Tools
•Two main plug-ins, plus a third help plug-in
•Core plug-in
contains derby.jar, derbytools.jar,
derbynet.jar,derbyclient.jar and plugin.xml
•UI plug-in
Contains ui.jar and plugin.xml
•Help plug-in
Contains the html help files, images, plugin.xml and
toc.xml

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What do they do
• What do the Derby plug-ins do?
• Add functionality by adding the Derby 'nature‘
• A nature adds functionality and behaviour,
possibly builders
• Adds all derby jar files to the build path of the
project
• Allows launching of network server, ij and
sysinfo
• Integrated help with tutorial

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Derby Tools in Action

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2007
Adobe – JSEcipse – Plugin
JavaScript Eclipse Plugin

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JS Eclipse Features
• Contextual code completion & shortcuts.
• Project outline and quick navigation through function
declarations.
• Syntax highlighting.
• Error reporting.
• Customizable code templates to get you started.
• Support for popular JavaScript libraries
(Dojo, Prototype, Spry, YUI, Qooxdoo).
• Support for JavaDoc documentation and multi-line
comments.

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JSEclipse Benefits :: Support AJAX
• Common idioms and patterns support
 When you use a major JavaScript library like
Dojo or Prototype, you need to use common
idioms and patterns used throughout that
library to make better use of that library
 JSEclipse makes it easy to follow this
practices by understanding how code is written
in these libraries and using that to power the
code completion engine and outline panel.
Also, code templates are available to capture
repeatable snippets and make them easier to
use.

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Summary
• We explained briefly what Web 2.0 is !
• We explained the best current available tools
for building out Rich Internet Applications
• We explained and demoed the Zero tooling
with both Firebug and Ajax Toolkit Framework
• Don’t forget to fill in your evaluation forms !!

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Questions
• Please complete your session evaluation
• Thank you!!

D02 - What are the best tools for Building Web 2.0 Applications.ppt

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