1. Google Web Toolkit

2. •
• http://twitter.com/kaiseh
• http://d.hatena.ne.jp/kaiseh/

3. Blogopolis
http://blogopolis.jp/

4. • GWT
• GWT
• GWT

5. GWT

6. Google Web Toolkit
• Google Web
• Java Ajax

7. Ajax
• JavaScript
• jQuery, Dojo, mootools, ...
•
• Firebug, IE Developer Toolbar, ...

8. Ajax
• JavaScript
•
• Eclipse, NetBeans IDE

9. GWT
• Java JavaScript
• java.lang.*, java.util.* Java API
• JavaScript
✓ Java

10. GWT
•
•
•
•

11. GWT
•
• CPU
•
• HTML5
• Canvas, WebSockets, Web Storage, ...
• JavaScript RIA

12. WebGL + GWT
Quake II GWT Port
http://code.google.com/p/quake2-gwt-port/

13. GWT

14. Google Plugin for Eclipse
• GWT GAE
Eclipse
•

15. Google Plugin
GWT GAE

16. Button sendButton = new Button(“send”);
TextBox nameField = new TextBox();
Label errorLabel = new Label();
...
panel.add(nameField);
panel.add(sendButton);
...

17. sendButton.addClickHandler(
new ClickHandler() {
public void onClick(ClickEvent e) {
//
}
});

18. UiBinder New in 2.0
• XML
<ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder'
xmlns:g='urn:import:com.google.gwt.user.client.ui'>
<g:HTMLPanel>
Hello,
<g:ListBox ui:field='listBox' visibleItemCount='1'/>.
</g:HTMLPanel>
</ui:UiBinder>

19. UI
MenuBar
SuggestBox
DatePicker
RichTextArea

20. UI
Ext GWT
Ext JS
Look & Feel
http://www.extjs.com/products/gwt/

21. Google API UI
• Google Maps API for GWT
• Google Chart Tools for GWT
• etc

22. Ajax
• JavaScript Java
-
• Java GWT

23. GWT RPC
RemoteService RemoteServiceImpl
1 1
RemoteServiceAsync

24. public interface AddService extends RemoteService {
int add(int a, int b);
}
Google Plugin
public interface AddServiceAsync {
void add(int a, int b, AsyncCallback<Integer> callback);
}

25. RPC
service.add(a, b, new AsyncCallback<Integer>() {
public void onSuccess(Integer result) {
//
}
public void onFailure(Throwable caught) {
//
}
});

26. JSNI (JavaScript Native Interface)
• JavaScript
• native
public static native String encode(String s) /*-{
return encodeURIComponent(s);
}-*/;

27. public interface MyMessages extends Messages {
public String edit();
public String delete();
}
MyMessages_ja.properties MyMessages_en.properties
edit= ... edit=Edit...
delete= delete=Delete

28. New in 2.0
GWT.runAsync(new RunAsyncCallback() {
public void onSuccess() {
//
// JS
}
public void onFailure(Throwable caught) {
}
});

29. • Ajax
• GWT URL
http://example.com/foo/Foo.html#state1
•

30. GWT

31. New in 2.0
•
• JavaScript
• Java

32. Speed Tracer New in 2.0
•
• Chrome
• GWT Web
•
• DOM
•
•

33. Maven
• GWT
•
•
• etc
http://mojo.codehaus.org/gwt-maven-plugin

34. • GWT HTML5
Web
• GWT RPC
•