2055854---grail's website dev

8/14/2019 2055854---grail's website dev.

1/38

Rapid Web Development for the Java Platform

Presented at the Princeton Java Users GroupJune 5th, 2007

1


2/38

This presentation is published under the Creative Commons Attribution Noncommercial Share

Alike License Version 2.5. (Please see http://creativecommons.org/licenses/by-nc-sa/2.5/ forcomplete details.)

You are free to reuse and modify this presentation under the following conditions. (Thanks toSteven Devijver for providing this excellent summary of the license terms.):

You dont get compensated for providing this presentation (non-commercial).

You dont get compensated for presenting this presentation in front of your audience (non-

commercial). You are exempted from this condition if you are tutoring your colleagues.

You do not charge members of your audience for a digital copy ofthis presentation.

You are free to charge your audience for printed versions of this presentation or for themedia that contains this presentation, but only if you personally actually incur a non-

recoverable cost.

You keep and do not modify the content of this license slide in the presentation (sharealike).

You attribute that Jason Rudolph is the original creator and maintainer of this presentation

(attribution). If you modify the content and distribute or modify the content and show this presentation to

an audience, you are required to send your modified file to [email protected].

You have the right to call yourself co-author if you modify the content of this presentation in

a non-trivial way.

If you alter, transform, or build upon this work, you may distribute the resulting work onlyunder a license identical to this one (share alike).

Creative Commons License

2
mailto:[email protected]:[email protected]:[email protected]:[email protected]://creativecommons.org/licenses/by-nc-sa/2.5/http://creativecommons.org/licenses/by-nc-sa/2.5/


3/38

Introduction

Jason Rudolph

Grails Committer

Software Consultant

Author

3


4/38

Grails? Whats that?

Hello, Productivity

Painless ORM (Seriously)

Validation Made Simple

A New Point of View

Cool (and Groovy) Features

Test, Deploy, Profit!

Agenda

4


5/38

Rapid web application development

Getting things done

Having fun doing it

Full-stack MVC framework

Open source Runs on the JVM

What is Grails?

5


6/38

Develop your apps in Groovy

Convention over configuration Opinionated software

Sensible defaults

Everything has a place

DRY (Don't Repeat Yourself)

What (else) is Grails?

6


7/38

Rock-Solid Foundation

7


8/38

Ready?

Install JDK 1.4 (or higher)

Set JAVA_HOME

Set

Download latest Grails release

Set GRAILS_HOME

Add $GRAILS_HOME/bin to your PATH

Let's Get Started

8


9/38

Hello, GrailsDemo

9


10/38

WhatsInside?

10


11/38

DemoInstant Gratification

11


12/38

Zero-configuration persistencemanagement

DAOs Dynamic domain class methods

Grails ORM (GORM)

save

delete

get

list

find

findAll

count

etc.

12


13/38

Relationship Counseling

13


14/38

1:n Relationships

14


15/38

Relationship CounselingDemo

15


16/38

Wheres My Data?

16


17/38

Be PersistentDemo

17


18/38

Pre-packaged constraints

Custom constraints

Declaring Constraints

blank

creditcard

email

inList

min

max

matches

nullable

range

unique

url

etc.

18


19/38

Show Some Constraint!Demo

19


20/38

Fun with URLs

http://localhost:8080/racetrack/race/show/2

20
http://localhost:8080/racetrack/race/show/2http://localhost:8080/racetrack/race/show/2


21/38

Fun with URLs

http://localhost:8080/racetrack/race/show/2

21
http://localhost:8080/racetrack/race/show/2http://localhost:8080/racetrack/race/show/2


22/38

GSP

22


23/38

GSP

RaceController.groovy

views/race/show.gsp

23


24/38


25/38

Get DynamicDemo

25


26/38

Unit testing

GroovyTestCase created for each class

grails test-app executes all test cases

Functional testing

Canoo Web Test

grails generate-webtest

grails run-webtest

Putting It to the Test

26


27/38

Deploymentgrails war

27


28/38

Services

transactional

non-transactional

Java Integration (src/java)

Rich (and Friendly) Tag Libraries

Ajax

Beyond the Finish Line

28


29/38

Custom URL Mapping

Alternate Domain Implementations

Using Hibernate XML for legacy schemas

EJB3 entity beans

Command Objects for Forms

Job Scheduling

Layouts & CSS

Still More to Explore

29


30/38

Build rich clients

Expose web services

Secure your app

Roll your own scaffolding

Integrate a search engine

Almost limitless possibilities

grails.org/plugins

30


31/38

Future releases (Pre 1.0)

Support for JSP custom tag libraries in GSP

Spring Web Flow

Domain model generation from database schema

JPA support

grails.org/roadmap

31


32/38

Oracle

BEA

Sun (JavaOne 2007)

Important CompaniesTalking About Grails

http://www.oracle.com/technology/pub/articles/grall-grails.html

http://dev2dev.bea.com/pub/a/2006/10/introduction-groovy-grails.html

http://www28.cplan.com/cc158/session_details.jsp?isid=286133&ilocation_id=158-1&ilanguage=english

32
http://www.oracle.com/technology/pub/articles/grall-grails.htmlhttp://www28.cplan.com/cc158/session_details.jsp?isid=286133&ilocation_id=158-1&ilanguage=englishhttp://www28.cplan.com/cc158/session_details.jsp?isid=286133&ilocation_id=158-1&ilanguage=englishhttp://www28.cplan.com/cc158/session_details.jsp?isid=286133&ilocation_id=158-1&ilanguage=englishhttp://www28.cplan.com/cc158/session_details.jsp?isid=286133&ilocation_id=158-1&ilanguage=englishhttp://www.oracle.com/technology/pub/articles/grall-grails.htmlhttp://www.oracle.com/technology/pub/articles/grall-grails.htmlhttp://www.oracle.com/technology/pub/articles/grall-grails.htmlhttp://www.oracle.com/technology/pub/articles/grall-grails.htmlhttp://www.oracle.com/technology/pub/articles/grall-grails.htmlhttp://www.oracle.com/technology/pub/articles/grall-grails.htmlhttp://www.oracle.com/technology/pub/articles/grall-grails.htmlhttp://www.oracle.com/technology/pub/articles/grall-grails.html


33/38

grails.org

Downloads Latest release (0.5)

Development snapshot (0.5.5)

User guide, tutorials, screencasts, etc.

Mailing lists (grails.org/mailing+lists)

Resources

33


34/38

aboutGroovy.com

grails.org/grails+podcast

groovyblogs.org

Resources (contd)

34


35/38

2007 No Fluff Just Stuff

Atlantic Northeast Software Symposium

August 10-12th

Westin Princeton at Forrestal Village

nofluffjuststuff.com/sh/2007-08-princeton

35
http://www.nofluffjuststuff.com/sh/2007-08-princetonhttp://www.nofluffjuststuff.com/sh/2007-08-princeton


36/38

Grails eXchange 2007

October 17-19th

Barbican, London, UK

grails-exchange.com

36


37/38

Books

37


38/38

www.jasonrudolph.com

[email protected]
mailto:[email protected]:[email protected]:[email protected]:[email protected]:[email protected]:[email protected]:[email protected]

Documents

2055854---grail's website dev