Re: Using gwt to change java files

On 01/07/2012 21:01, mehdi benchoufi wrote:
> I am working on a project that had already been developed. This
> project uses get and the javascript comes from java files. I wanted to
> make some changes on one of these java files. SO I was told I needed
> to download get. This is what I did.

I don't know what is 'get'. Is that a library? A framework?

> But my php and html files are processed with MAMP.
>
> So now, how do I change the java files ?

Usually, with a text editor...
Or, better, with an IDE like Eclipse, IntelliJ or NetBeans.
The GWT plugin can help too.

> Where do I put my php and
> html files to run it on my local server MAMP ?

AFAIK, there is no relation between a PHP/HTML application and a GWT one.
Not a direct one, at least.

> Am I supposed to take
> the only java files, opening a "WebApp" (as indicated in the get doc),
> runn it (with an ant build command ?), retrieving some files and put
> those in my MAMP workspace ?
>
> (I have read the gwt, but I didn't really understand it. I apologize
> by advance if my question seems too simple)

To summarize: with GWT, you write code in Java. Usually, it is split between server side
code (the equivalent of PHP) and client side code. The latter is actually JavaScript code
generated from the Java code. So you need a special compiler (provided by the GWT
framework) to do this translation from Java to JavaScript.

IIRC, the server side is a servlet, so it needs a special JEE server, able to run these
servlets. Common cases of these servers are Tomcat and Jetty. I don't think MAMP can run
servlets.

In theory, you can do only the client side of GWT, and make it to communicate with an
arbitrary server (can be a Web service written in PHP, among others) via GET, POST and
other REST requests, or other protocols.
I have no experience with this case.

--
Philippe Lhoste
-- (near) Paris -- France
-- http://Phi.Lho.free.fr
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