8. Web application layers
JavaScript
Java to
JavaScript
Web
server
Backend
server
Commu-
nication
required optionalrequired
GWT
requiredrequired
JS
requiredrequired
required required
Client-side UI
9. Web application layers
JavaScript
Java to
JavaScript
Web
server
Backend
server
required optional optionalrequired
Commu-
nication
optional
Vaadin
required optionalrequired
GWT
requiredrequired
JS
requiredrequired
required required
Client-side UIServer-side UI &
10. Web application layers
JavaScript
Java to
JavaScript
Web
server
Backend
server
required optional optionalrequired
Commu-
nication
optional
Vaadin
required optionalrequired
GWT
requiredrequired
JS
requiredrequired
required required
1 layer
vs
3 layers
-50% dev. time
-50% maintenance
vs
full control over DOM
and communications
20. Server-sideClient-side
Use for
• Offline!
• Low latency interaction!
• Maximum scalability
Use for
• Most places ( - 50% cost )!
• High security!
• Utilizing full Java platform
Benefits of the both sides, but adds complexity
Hybrid
24. Google
http://domain.com
Web Page Title
First name
Table cell
Table cell
Phone number
Table cell
Table cell
Table cell
Table cell
Table cell
Table cell
Table cell
Table cell
Table cell
Table cell
Table cell
Table cell Table cell
Table cell
Last name
Table cell
Table cell
Email address
Table cell
Table cell
Far far away, behind the word mountains,
far from the countries Vokalia and
Consonantia, there live the blind texts.
Separated they live in Bookmarksgrove
right at the coast of the Semantics, a
large language ocean.
A small river named Duden flows by their
place and supplies it with the necessary
regelialia. It is a paradisematic country, in
which roasted parts of sentences fly into
your mouth.
Even the all-powerful Pointing has no
control about the blind texts it is an
almost unorthographic life One day
however a small line of blind text by the
name of Lorem Ipsum decided to leave
for the far World of Grammar. The Big
Oxmox advised her not to do so,
because there were thousands of bad
Commas.
Server-side
Offline
Client-side Vaadin-RPC
Client-side GWT-RPC
Server-side
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First name Last name
Phone number Email address
