Display the contents of an external URL

[Chad Bourque]

Hi all,

I've searched for this and haven't been able to find anything conclusive. I want to be able to display an external (or internal for that matter) web page inside a GWT component. Obviously, it seems that HTMLPanel would do this, but it doesn't take a URL anywhere, only the actual HTML to display. That would be fine if someone could tell me how to get the HTML from a URL.

TIA,
Pilot Fox

[Eric B]

Use HTTPRequest to (asynchronously) get the page you want, then add the
html to your widget.

Thanks,
Eric

[Chad Bourque]

Eric,

Thanks. That's exactly what I was looking for. I knew it had to be simple. ;)

[Chad Bourque]

Eric (or anyone else),

I've got a page loading inside a widget on my page, but I have a couple of issues with it:

1. I get a security alert asking if I can continue to load the page since it is requesting data from another server. Is there a way to tell my app that the other domain is safe or is that all client side security concerns that I have no control over?
2. After the content loads, I get an error (shown below). Do I need to add entries to my config files to avoid this or am I still missing some steps?
3. Should I be pulling the external data on the server and getting it to the client via RPC instead of just HTTPRequest.getAsync()?
   

[ERROR] Unable to find 'TMMobile.gwt.xml' on your classpath; could be a typo, or maybe you forgot to include a classpath entry for source?

TIA,
Chad

[Jason Essington]

one option is to load the html into a frame in your widget ...

you can just construct the frame new Frame("http://my.external.url/
foo/bar")

-jason

[Chad Bourque]

Jason,

Thanks. That works, but I still get a (different) security confirmation. This says that I can disable by adding the site to the whitelist via:

-whitelist=" ^http[:][/][/]tmwebdev"

Where do I put that?

TIA,
Chad

[Jason Essington]

That sounds like a browser issue rather than a GWT one ...
what browser are you using?

-jason

[Chad Bourque]

I get that in Hosted mode. I develop on Windows XP and I'm pretty sure it runs hosted mode using IE's rendering engine.

Chad

[rlogman]

I have the same problem, under linux (Ubuntu Hoary).

The message appears like a simple warning, but I can not make any
asynchronous calling.

[rlogman]

I was able to correct it.. the place to write "-whitelist..." is in
your launcher file.

Rodrigo.