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In Ruby on Rails we have Gems, that you can reuse to be part of your software.

We have the same in Django, they call it "apps". There are "modules" in Drupal too.

For example, let's say that you are developing web software to control a proccess in your office, and you would like to add a poll, so users may interact.

In Rails we may have a gem to do that, same in django apps and modules in drupal.

So these gem/app/modules have all the code to include in your web software, considering controllers, views and models.

But if we think of Java EE 6 we have plenty of jars and specifications that help to make software. But Java EE doesn't have these kind of gem/app/modules to include in your software.

Just to be clear, the question is not about using a framework or not.

Let me say that I've got an app with Java EE 6:

  • EJB 3.1, JPA 2, js2 + prime
  • and some jars, like pretty-faces and integrations.

Now I need to develop a forum or a poll functionality, so I have to write all code (ejb+jpa+jsf) to make that forum. If I were using Rails, I could install a poll/forum gem, or in Django an app that make this forum and so on.

I have some experience in these other frameworks, ROR, Django and Drupal (it's true that it is a CMS, but it has plenty of modules so maybe it's a framework anyway), And these "modules" are part of the software, written using all layers. In Java EE it should have EJB 3.1 code, JPA2 code and js2 code.

So, we can make an analogy with Plone and Zope. Let say that Zope is Java EE 6 and Plone is what I'm looking for in Java EE.

So my question is: Does there exists a repository where you can find these kind of modules for Java EE?

If this really doesn't exist, is it possible to create gem/app/modules like these in a Java EE architecture?

Arjan Tijms
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mariomol
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2 Answers2

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Drupal is a CMS, Ruby on Rails and Django are web frameworks.

Java EE is neither of those. To reuse your code you have to design classes that are reusable.

My guess is that you are asking about a framework that could help you speed your development in Java EE and there are several but suggesting one it's pointless without knowing your needs.

My suggestion is learn more about Java and object-oriented languages before trying to stick yourself to a framework.

Arjan Tijms
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Miguel Lomelí
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  • Maybe I've not been clear in my question, sorry. I've updated the question, please read again. – mariomol Feb 24 '13 at 13:17
  • @mariomol It's still a bit unclear what you ask. Could you try to be even more specific? – Henrik Andersson Feb 25 '13 at 08:05
  • Do you want a repository of classes and rars on the Java EE architecture? The question makes little sense as "gem", and "apps" are part of its respective frameworks. Plone, Drupal, Django, ROR are COMPLETELY different to Java2EE. See for example in Ruby on Rails you have Ruby (the programming language) then you have Rails (the framework) and then you have gems. – Miguel Lomelí Feb 27 '13 at 23:21
  • Seems like quite a few options here - http://stackoverflow.com/questions/2710266/is-there-a-package-manager-for-java-like-easy-install-for-python – Chris Barry Aug 26 '14 at 11:27
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Thanks for answering, but i assume that we do not have a official repo for 'modules' to be reused as we have in others technologies.

So its not about what my project needs, about stick in a framework or about learn OO languages. (more than 20 years xp in dev in many different frameworks)

I guess we can make a analogy with other frameworks, like @miguel-lomelí said about rails. JAVA - RUby , J2EE - ROR , Gems - ?? for J2EE. Same with Python - Java , Django - J2ee , Django Mod - ?? J2EE.

Maybe because j2ee is more used for industries and not startups/independent devs? I dont know...

So I guess the final answer is.. we do not have that for j2ee as we have for other technologies and thats it..

PS: this question as in 2013.. nowdays JS is so much better.. and i guess that things are getting easier to be done that have ready modules for functionalities maybe do not make sense anymore

mariomol
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