Scripting languages in Java Andrey Duka, System Architect andrey'dukaexigenservices'com

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Scripting languages in Java Andrey Duka, System Architect andrey'dukaexigenservices'com

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'A scripting language is a form of programming language that is usually ... James Gosling. 9. XML ??????. groovy.xml.MarkupBuilder. def myXMLDoc = new MarkupBuilder ... – PowerPoint PPT presentation

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Title: Scripting languages in Java Andrey Duka, System Architect andrey'dukaexigenservices'com

1
Scripting languages in Java Andrey Duka, System
Architectandrey.duka_at_exigenservices.com
2

Java ! Java platform

Agile Web Development with Java

4
??????? ???????????

A scripting language is a form of programming
language that is usually interpreted rather than
compiled
- whatis.com

Groovy, Ruby, Python, PHP

6
??????? ???????????? ??????????

1997 - Jim Hugunin created Jython
2000 - BeanShell and Dynamic Java Patrick
Niemeyer
2001 - Jan Arne Petersen created JRuby
2004 - JSR 241 Groovy programming language
2005 - Sun releases alpha of Coyote
2006 - JSR 223 Scripting for the JavaTM Platform
2007 - Groovy 1.0
2008 - Grails 1.0

7
????????? ?????? ??????

BeanShell Frink Groovy Hecl
Jacl JavaScript Jelly
Joy Jruby Judoscript Jython
JavaFX Script ObjectScript Pnuts Scala Sleep V
Yoix

8
???????? ??????

All configuration files eventually become
programming languages
- James Gosling

9
XML ??????

groovy.xml.MarkupBuilder
def myXMLDoc new MarkupBuilder()
myXMLDoc.workbook
worksheet(caption"Employees")
row(fname"John", lname"McDoe")
row(fname"Nancy", lname"Davolio")
worksheet(caption"Products")
row(name"Veeblefeetzer",
id"sku34510")
row(name"Prune Unit Zappa",
id"sku3a550")
println myXMLDocuages

10
?????? ?? ?????????

11
??? ???? ???????????

A Domain Specific Language (DSL) is a computer
programming language of limited expressiveness
focused on a particular domain.
- Martin Fowler

12
DSL ?????? / ???????

write 'readme.txt'.contents()

13
DSL ?????? (???????????)

String.metaClass.contents
this.class.getResourceAsStream(delegate).getText(
)
def write file -gt
println file
write 'readme.txt'.contents()

14
??????? ????????????? ?????????????

BEA Weblogic wslt
IBM WebSphere wsadmin
Eclipse GroovyMonkey
JavaFX - JavaFX Script

15
Web ?????????? GRails

For me, Grails is the natural next step for Java
EE developers. If Spring and Hibernate provided
an abstraction over Java EE and simplified
development, then Grails is an abstraction over
Spring, Hibernate, and Java EE that can take you,
the developer, to the next level.
- Christopher M. Judd, Judd Solutions

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??????? ??????? ?????