This document details the configuration and usage of the Grails framework, including Groovy scripts, JNDI lookups, and service implementations. It illustrates how to set up controllers, define domain classes, handle transactions, and deploy applications using Grails. The document also covers dependency management and testing methodologies within the Grails environment.

1. JGGUG
japan grails/groovy user group
def speaker = new Cast(name:”T.Yamamoto”,version:”G*-2009-12-18”)

3. Grails/Groovy
http://www.jggug.org/

18. package my.domain HelloController.groovy
import org.springframework.stereotype.*
import org.springframework.web.bind.annotation.*
import org.springframework.beans.factory.annotation.*
import org.hibernate.*
import org.springframework.ui.*
beans = {
resources.groovy
@Controller xmlns context:"http://www.springframework.org/schema/context"
class HelloController { context.'component-scan'( 'base-package' :"my.domain" )
}
@Autowired
SessionFactory sessionFactory
@RequestMapping("/hello.dispatch")
ModelMap handleRequest() {
def session = sessionFactory.getCurrentSession()
println "hit"
return new ModelMap(session.get(Person, 1L))
hello.gsp
} <h1 id="hello"> ${person.name}</h1>
}

20. % grails uninstall-plugin tomcat
% grails install-plugin jetty

21. JNDI
Config.groovy
grails.naming.entries = [foo:"bar"]
resources.groovy
beans = {
xmlns jee:"http://www.springframework.org/schema/jee"
jee.'jndi-lookup'(id:"foo", 'jndi-name':"java:comp/env/foo")
}
grails tomcat deploy
grails tomcat undeploy
Config.groovy (tomcat-users.xml )
tomcat.deploy.username="manager"
tomcat.deploy.password="secret"
tomcat.deploy.url="http://myserver.com/manager"
grails tomcat list

22. @Grapes([
@Grab("org.grails:grails-docs:1.2.0.RC2"),
@Grab("radeox:radeox:1.0-b2"),
@Grab("ant:ant-nodeps:1.6.5"),
Directory
@GrabConfig(systemClassLoader=true)
])
import grails.doc.ant.*
new AntBuilder().sequential {
native2ascii(src:"conf",dest:"src/docs",
includes:"**/*.properties",encoding:"UTF-8")
taskdef(name:'docs',classname:'grails.doc.ant.DocPublisherTask')
docs(src:"src/docs", dest:"build/docs",
properties:"src/docs/doc.properties",
styleDir:new File('src/resources/style'),
cssDir:new File('src/resources/css'),
imagesDir:new File('src/resources/img')
)
}

24. Grails-1.1.x Grails-1.2

25. def foo = {
def hoge = params.some
def foo = {
if(hoge) println hoge.toInteger()
def hoge = params.long('some')
}
if(hoge) println hoge.toInteger()
}
//int(' ') long(' ') boolean(' ')
def total = params.int('total')
//
def names = params.list('names')

26. default.paginate.prev=
default.paginate.next=
default.boolean.true=
default.boolean.false=
default.date.format=yyyy/MM/dd HH:mm:ss z
default.number.format=0
default.created.message={0}(id:{1})
default.updated.message={0}(id:{1})
default.deleted.message={0}(id:{1})
default.not.deleted.message={0}(id:{1})
default.not.found.message={0}(id:{1})
default.optimistic.locking.failure= {0}
default.home.label=
default.list.label={0}
default.add.label={0}
default.new.label={0}
default.create.label={0}
default.show.label={0}
default.edit.label={0}
default.button.create.label=

28. render(contentType:"text/json") {
categories = [ { a = "A" }, { b = "B" } ]
}
{"categories":[ {"a":"A"} , {"b":"B"}] }

29. name productDetail:"/showProduct/$productName/$flavor?"{
controller = "product"
action = "show"
}
<link:productDetail productName="licorice"
flavor="strawberry"> Strawberry Licorice </link:productDetail>
"/hello"(uri:"/hello.dispatch")

30. import org.springframework.transaction.annotation.*
class BookService {
@Transactional(readOnly = true)
def listBooks() {
Book.list()
}
@Transactional
def updateBook() {
// …
}
}

31. beans { Config.groovy
someService {
someProperty = new SomeObject()
}
}

32. BootStrap.groovy
def init = { ServletContext ctx ->
environments {
production {
ctx.setAttribute("env", "prod")
}
development {
ctx.setAttribute("env", "dev")
}
}
ctx.setAttribute("foo", "bar")
}

34. class Book {
String title
String author
Boolean paperback
}
Book.findAllPaperbackByAuthor(" ")
Book.findAllNotPaperbackByAuthor(" ")

35. class Person {
String name
static hasOne = [address: Address]
}
create table address (
class Address { id bigint ... ,
String street version bigint not null,
String postCode person_id bigint not null,
street varchar(255) not null,
Person person post_code varchar(255) not null,
} primary key (id),
unique (person_id))
create table person (
id bigint ... ,
version bigint not null,
name varchar(255) not null,
primary key (id)
)

36. class Publication {
String title
Date datePublished
static namedQueries = {
recentPublications {
def now = new Date()
gt 'datePublished',now-365
}
publicationsWithBookInTitle {
like 'title','%Book%'
}
}
}
def list = Publication.recentPublications.list()
def list = Publication.recentPublications.list(
max: 10, offset: 5)
Publication.recentPublications.count()

37. try {
book.save(failOnError:true)
}catch(ValidationException e) {
// handle
}

38. grails.gorm.default.mapping = {
cache true
id generator:'sequence'
'user-type'( type:org.hibernate.type.YesNoType,class:Boolean )
}
grails.gorm.default.constraints = {
'*'(nullable:true, blank:false, size:1..20)
}
grails.gorm.default.constraints = {
myConstraints(nullable:true, blank:false, size:1..20)
}
static constraints = {
myProperty shared:"myConstraints"
}

39. def c = Person.createCriteria()
def peopleWithShortFirstNames = c.list {
sqlRestriction "char_length( first_name ) <= 4"
}

40. import javax.persistence.*
@Entity
@Table(name = "animal")
class Animal {
@Id
@GeneratedValue
int id
String name
@ManyToOne
@JoinColumn
Owner owner
static constraints = {
name blank:false
}
}

41. chat.label=
chat.message.label=
chat.name.label=
chat.id.label=
chat.dateCreated.label=
chat.lastUpdated.label=

42. grails.project.dependency.resolution = {
...
repositories { //
mavenRepo "http://repository.codehaus.org"
}
dependencies {
runtime 'net.homeip.yusuke:twitter4j:2.0.9'
}
...
} ls -al ~/.ivy2/cache
% grails install-dependency net.homeip.yusuke:twitter4j:2.0.9

43. % grails release-plugin --skipMetadata
% grails release-plugin --zipOnly

44. % grails install-plugin webflow
def searchFlow = {
onStart {
println "started"
}
onEnd {
println "ended"
}
displaySearchForm {
onRender { println "rendering" }
onEntry { println "entered" }
onExit { println "exited" }
on("submit") {
[results: Book.findAllByTitle(params.title)]
}.to "displayResults"
}
displayResults()
}

45. % grails test-app -echoOut -echoErr

46. grails test-app <phase>:<type>
//‘spock’ ‘unit’
grails test-app unit:spock
//‘unit’
grails test-app unit:
// ‘spock’
grails test-app :spock
‘SomeController’ ‘unit’
grails test-app unit: SomeController
‘unit’ ‘integration’
grails test-app unit: integration:
grails test-app unit:
grails test-app --unit
grails test-app -clean

49. PermGen
1.0 1.1.x 1.2
1.0 1.1.x 1.2

55. grails deploy-to-cloud --app-servers=4 --db-servers=2

58. Grails/Groovy
http://www.jggug.org/