Entry Point

[athul gopal]

Hi,
How we can use multiple entry points in a page..??

[Ed]

What do you want to do?

[Javo Rosales]

Nope, you only have one entry point

2011/12/14 athul gopal <mr....@gmail.com>

Hi,
    How we can use multiple entry points in a page..??

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[Maximilian Eberl]

I do the following:

Create an application in a war named ROOT.war - when deployed to
Tomcat this reacts to
www.myserver.com/index.html

Let us assume You want three "entry points"
/ - (the main application - public)
/membersonly - login secured area
/admin - the admin area

So create two folders in /war
/war/admin
/war/members

In these folders create an HTML page like
!DOCTYPE html
html
head
meta http-equiv="refresh" content="0; URL=/index.html?admin"
/head
body /body
/html

So any call to www.myserver.com/admin
will be redirected to
www.myserver.com/index.html?admin

Now create a Main.java as real entry point:

public void onModuleLoad() {
String url = Window.Location.getHref();

if ( url.indexOf("?admin")>-1 ) {
Admin admin = new Admin();
RootPanel.get().add(admin);
} else if ( url.indexOf("?member")>-1 ) {
Member member = new Member();
RootPanel.get().add(member);
} else {
Application app = new Application();
RootPanel.get().add(app);
}
}

Any of these (Admin.java, Member.java, Application.java) is the base
of its own GWT client app. They share all services, libs and shared
classes and resources.

Works perfect for me.

[Ed Bras]

> I do the following:

It's not a very elegant solution and you still have only one entry point.

You mainly dispatch depending on the action found in the url.

I would definitely get ride of the refresh action which causes an extra server-client round trip. Round trips should be minimized as much as possible as they are costly.

In your case they aren't needed.

Examples:

You use Tomcat, so use a dynamic hosting page that uses a servlet that set some properties in the html page that will be used by the dispatcher. Works very fast.

See: http://code.google.com/webtoolkit/articles/dynamic_host_page.html

Or if you use a front-end web server (in front of your tomcat) let the web server do the redirection.

etc.... pick one..

- Ed