174

Implementing XML Based Applications

E

You want to promote the separation of skills between XML transformation 

style sheet developers and business logic developers.

E

In general, when you must deal with non interactive presentation or you must 

integrate various XML data sources or perform XML data exchanges.

 XML 

Document 

g

X

BX

T

linin

 SA

pe

 DOM

 JA

 XSL

Pi

Output

wrappable into a 

g

 DOM Tree 

 Content Tree 

Source

in

rocess P

Dom

Domaain

in 

Domain

Dom

Do a

m i

a n

i  

m

n

Sp

Speci

ec f

ific 

ic

Specific

Sp

S eci

p

f

eci ifc 

ic

treaS

Ob

Object

jectss

Objects

Ob

O j

b ect

j

s

ects

 Business Logic 

Figure 4.13

Programming Models and Implied Intermediary Representations