Ajax and java jdk

[JR666]

Hi Guys and Gals,

I have used java script a lot but want to develop a java application that needs to use ajax to get information does anyone know of an ajax example for a java application i can study as all i can find on the web are examples of java script :(

Thanks

[Petr]

Hi. I want to ask you another question. if you say that you use js what server language do you use together with js?

PS What is Gals?

update :
I found myself it means gallons which is used in volume measurement or women depending on the context. ))

[JR666]

Hi,

My java script has all been client side for additions to firefox and chrome..

The Java application i am looking to run on a server and to develop an android application as well

ps. Gals = Girls ... lol

Thanks for your reply :)

[Tolls]

AJAX is mostly (to be honest) client side.
It uses Http to talk to the server, so the Java on there is not really any different to a normal web app (Servlets).
The thing you need to sort out is what you;re sending to and from the server. Responses will usually be JSON strings, since there's lots of useful Javascript stuff for handling them, and there's a good JSON package for Java as well. Requests can be whatever you want, and are largely dependent on what it is that particular request is supposed to do.

[JR666]

Hi,

at the moment I have a javascript add on to chrome that works. It sends the ajax request gets the info i need and then sends it back with another ajax response saving hours of key presses. Problem i get is that I want to run it 24/7 on a server as the transfer is not complex.. it being a case of checking some of the json response to see if it needs forwarding.

But i ca find no references to using ajax requests in this situation.. I dont want the memory overhead of running a browser on the server as it is a linux server with no user display.


Thanks

[JR666]

would be happy to see just one code example of how to send an ajax request please :)

I know how to send a standard http request

[Tolls]

Ah, so it's not a browser thing.

You could use URLConnection to fire them off (or Apache's HttpClient might be better) and pick up the responses all in Java.

[JR666]

I was hoping to use the URLConnection to fire them .. have done it so i can echo a standard site page to the console but i cant work out how to format it for the ajax request :(

[Tolls]

An Ajax request is simply a normal Http request.
What you need to send (and what you can expect back) are all dependent on what the server is expecting.

[JR666]

lol....

so thats why it did not make sense :) thanks for the info i will sort out what i am presently sending with the java script and use that as data..

simple when you know how
thanks