GWT Google Web Toolkit Tech Z‘Nüni Brief #1 TOC Intro Advantages / What is it ? The compiler Live sample Components Idea Project and Plugin Appendix .. ?

Google Web Toolkit

Tech Z‘Nüni Brief #1

TOC

Intro

Advantages / What is it ?

The compiler

Live sample

Components

Idea Project and Plugin

Appendix

.. ?

Intro

Advantages GWT Web 2.0 Java-to-JavaScript compiler Debugger Basic procedure:

GWT

Web 2.0

Java-to-JavaScript compiler

Debugger

Basic procedure:

Build a Project

Build a Project

Build a Project Click!

Build a Project Click!

Build a Project Crypty Files: for each Locale and Browser Type

Compatible Clients

Samples First Impression Dyna Table Kitchen Sink (Lists, Popups) Simple Xml (Formating Xml) Mail

First Impression

Dyna Table

Kitchen Sink (Lists, Popups)

Simple Xml (Formating Xml)

Mail

Components

GWT Compiler Three style modes: Obfuscate (compact) Pretty (methods) Detailed (meth. & qualified class name) e.g. function java_lang_Object_toString__(){…

Three style modes:

Obfuscate (compact)

Pretty (methods)

Detailed (meth. & qualified class name) e.g. function java_lang_Object_toString__(){…

GWT Compiler Bytecode won‘t work ! Needs alle Java classes as Sourcecode JRE 3 Party Jars

Bytecode won‘t work !

Needs alle Java classes as Sourcecode

JRE

3 Party Jars

GWT Compiler Code must be Java 1.4 syntax compatible (can change in the future) Compiler generates for every: Browser type Locale separate script Bootstrap- script Advantage: minimize Bandwidth Browser doesn‘t parse any used script code.

Code must be Java 1.4 syntax compatible

(can change in the future)

Compiler generates for every:

Browser type

Locale

separate script

Bootstrap- script

Advantage:

minimize Bandwidth

Browser doesn‘t parse any used script code.

JSNI Java Script Native Interface Browser API Super cool 3p Javascript Library Basically JSNI can do calls from Java -> JS -> Java

Java Script Native Interface

Browser API

Super cool 3p Javascript Library

Basically JSNI can do calls

from Java -> JS -> Java

JSNI Basically JSNI can do calls From: JS Java JSNI

Basically JSNI can do calls

From:

JRE Emulation Emulator differs slightly from Java Impl. Java.lang.* Java.util.* (basically: Datatypes, Exceptions, Collections)

Emulator differs slightly from Java Impl.

Java.lang.*

Java.util.*

(basically: Datatypes, Exceptions, Collections)

i18n Two mechanisms

Two mechanisms

Remote Procedure Calls Privides two tools Strings/ Xml Method invoke

Privides two tools

XML Parser DOM based XML Parser

DOM based XML Parser

History addHistoryListener * Definition: Token = Keywort that defines the Content changed History newItem(token:String) History onHistoryChanged(token:String ) HistoryListener onHistoryChanged(token:String ) HistoryListenerImpl

addHistoryListener *

JUnit Test Framework

Test Framework

GWT Plugin Goto Settings IDE Settings Google Web Toolkit IDE Plugin in IDEA

Goto

Settings

IDE Settings

Google Web Toolkit

GWT and IDEA Quick steps through a IDEA Sample Project

GWT and IDEA (Descriptor)

GWT and IDEA (Hooks) (History) (Boot strap) (Entry point)

GWT and IDEA (RemoteInterface for Client)

GWT and IDEA (EntryPoint)

GWT and IDEA (RemoteInterface on Server)

GWT and IDEA (Implementation of Interface)

Appendix Home: http://code.google.com/webtoolkit / FAQ‘s: http://code.google.com/webtoolkit/faq.html Download: http://code.google.com/webtoolkit/download.html Other sites: http://www.gwtwidget.com /

Home: http://code.google.com/webtoolkit /

FAQ‘s: http://code.google.com/webtoolkit/faq.html

Download: http://code.google.com/webtoolkit/download.html

Other sites: http://www.gwtwidget.com /

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