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GWT A 'new' way to program dynamic web applications - Usman - Pavan - Rajakumar
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Agenda
Classic web application model (synchronous)
Ajax web application model (asynchronous)
Asynchronous JavaScript and XML (AJAX) Server - side Client – side Javascript JAVA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
AJAX ,[object Object],[object Object],[object Object],[object Object],[object Object]
Drawbacks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is GWT ? ,[object Object],[object Object],[object Object],[object Object],[object Object]
Why GWT ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why GWT ? (Cont ... ) ,[object Object],[object Object],[object Object],[object Object],[object Object]
GWT Application Architecture
Modes of Running Gwt application ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Google Web Toolkit (GWT) @ deployment time @ development time <html> [...] <script type=&quot;text/javascript&quot;> [...] xmlhttp.open(&quot;POST&quot;, url, true); xmlhttp.onreadystatechange = function(func) { if (xmlhttp.readyState == 4) { [...] } } xmlhttp.setRequestHeader('MessageType', 'CALL'); xmlhttp.setRequestHeader('Content-Type', 'text/xml'); </script> <body>[...]</body> </html> JAVA/eclipse javascript Hosted mode JVM IDE Compile to JAVA bytecode Compile to Javascript
GWT: project structure Package Purpose it/sella/gwt/ The project root package contains module XML files it/sella/gwt/client/ Client-side source files and subpackages it/sella/gwt/server/ Server-side code and subpackages it/sella/gwt/public/ Static resources that can be served publicly
GWT Modules ,[object Object],[object Object],[object Object],[object Object],[object Object]
UI widget library
GWT-RPC ,[object Object],[object Object],[object Object],[object Object],[object Object]
RPC plumbing diagram
Corns of GWT ,[object Object],[object Object],[object Object],[object Object]
Corns of GWT ( Cont... ) ,[object Object],[object Object]
Reference ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Gwt Presentation1

  • 1. GWT A 'new' way to program dynamic web applications - Usman - Pavan - Rajakumar
  • 2.
  • 3. Classic web application model (synchronous)
  • 4. Ajax web application model (asynchronous)
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 12.
  • 13. Google Web Toolkit (GWT) @ deployment time @ development time <html> [...] <script type=&quot;text/javascript&quot;> [...] xmlhttp.open(&quot;POST&quot;, url, true); xmlhttp.onreadystatechange = function(func) { if (xmlhttp.readyState == 4) { [...] } } xmlhttp.setRequestHeader('MessageType', 'CALL'); xmlhttp.setRequestHeader('Content-Type', 'text/xml'); </script> <body>[...]</body> </html> JAVA/eclipse javascript Hosted mode JVM IDE Compile to JAVA bytecode Compile to Javascript
  • 14. GWT: project structure Package Purpose it/sella/gwt/ The project root package contains module XML files it/sella/gwt/client/ Client-side source files and subpackages it/sella/gwt/server/ Server-side code and subpackages it/sella/gwt/public/ Static resources that can be served publicly
  • 15.
  • 17.
  • 19.
  • 20.
  • 21.