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Recomendation tech for adding web to a java application

Answer 1

+1 A:

I recently learned Spring. It's a very lightweight framework, and very easy to learn and use.

Fernando 2010-08-05 16:43:01

I am still researching, what about grails?

Hernán Eche 2010-08-12 12:34:29

Grails is a high productivity "convention over configuration" framework like Ruby on Rails. You use Groovy, a dynamic language which runs on the JVM. I've heard great things about it too, and it's powered by Spring. Includes Ajax support, powerful and easy to use view templates using GSP (Groovy Server Pages), compatibility with persistence frameworks, and much more.

Fernando 2010-08-12 13:13:50

Answer 2

+2 A:

I would suggest that you embed Jetty and then add some servlets to connect your existing code.

It really works !

renick 2010-08-05 16:46:08

seems good because have both http and servlet

Hernán Eche 2010-08-05 17:26:05

I could not believe how simple it was until I tried it. And there is a lot of room for growth later (JSPs etc.)

renick 2010-08-05 17:36:52

@renick do you think it's efficient? I mean about performance difference in running a tomcat and a servlet, against embedding jetty, in first case there would be two process, and in the second two threads, perhaps processes could be better managed by SO than threads by JVM?

Hernán Eche 2010-08-18 13:01:28

Hi. I used it for an app that accepts about 10-20 client connections depending on shift(time of day). Its working fine for me so far. I dont have any performance numbers comparing it to Tomcat. I assume Tomcat will scale better but it does not embed (or I dont know how to). Jetty was just plain simple to embed. Without embedding considerations Tomcat is the obvious choice.

renick 2010-08-18 13:51:15

Answer 3

+2 A:

If this is an accurate summary

 You have a (presumably) proprietory protocol exposed over a socket interface.

 You desire to access the same function over HTTP, with a Browser based GUI.

Then I would approach it like this:

1). Consider whether to refactor your current code - In concept you have a "core" with a socket interface. What you need is the same "core" with an HTTP interface ... except maybe that doesn't nicely work? HTTP is effectively stateless, with request/response pairs. You might have something much cleverer with your sockets so some redesign might be needed, or maybe it just fits, or even you need to get really clever and use streaming, or Comet or something.

So first decide on an approach. Let's take the optimistic assumption that a standard HTTP model works for you. Then:

2). You may as well use the servlet API, so TomCat or WebSphere Community Edition or any readily acessible servlet engine will do. Just write a few servlets that front your "core".

3). Tools, Eclipse works. Plenty of alternatives, but favour an IDE.

4). Especially when moving to the UI part, editing HTML, or JSPs something WYSWYG is useful. Things get a bit tougher if you want to do a Javascript-based UI - there are products out there but I don't think they're as mature as things such as Eclipse for Java.

djna 2010-08-05 16:48:49

@djna the summary closes well, 1) I will keep the core in socket, and it just fit with http interface (but of course avoiding F5 would be great =P), 2) yes Tomcat or the embed Jetty @renick recommended, 3) Eclipse or Netbeans yes..4) I will keep avoiding the UI editor because mixing manual code with automated one is not easy at all (nor good perhaps)

Hernán Eche 2010-08-05 18:17:50

Your Javascript and HTML are separate from the rest of the code. Use a specialised editor for these: There is not necesserily any generated code, rather you just see the visual effect of your code

djna 2010-08-06 07:17:38

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Recomendation tech for adding web to a java application

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