On 08/22/2011 10:18 AM, Vincent Massol wrote:
>
> On Aug 22, 2011, at 4:06 PM, Sergiu Dumitriu wrote:
>
>> On 08/22/2011 04:43 AM, Vincent Massol wrote:
>>> Hi devs,
>>>
>>> I'd like to propose adding the Ivy JAR to our Platform/XE distributions.
>>>
>>> The reason is simple: it makes it possible to use the Groovy @Grab
>>> directive which makes it real easy to extend XWiki using Groovy script.
>>> Several advantages:
>>> - not having to manually hunt for transitive dependencies
>>> - not needing to stop/restart XWiki (since this is what you need to do if
>>> your groovy script needs to use some third party jars).
>>>
>>> Here's a good usage example:
>>
>> -0.
>>
>> It is a very cool feature, but I don't think it's something useful for a
>> majority of users. It's something very useful in a development wiki like
>> we have on xwiki.org, but it adds almost 1M extra size, and increases
>> the classpath and the permgen requirements.
>>
>> I think the extension manager would make it easy to install Ivy when needed.
>
> With this reasoning we should remove groovy too (the macro) since the
> majority of users don't need it. IMO they go together and we should leave
> them together.
>
> So for me either we consider that for now we bundle the groovy macro and we
> add the ivy dep or we remove the groovy macro by default.
>
> Said differently I'd like to add the ivy dependency in the groovy macro's
> pom.xml.
>
> Another way of viewing this is that groovy-all.jar should have a dep on ivy
> by default (I don't know why it doesn't and it may well add it in the future
> - I'll ask Guillaume).
Yes, it should. I'm interested in Guillaume's motivation as well.
> Thanks
> -Vincent
>
>>> {{cache}}
>>> {{groovy}}
>>> @Grab(group='org.codehaus.groovy.modules.http-builder',
>>> module='http-builder', version='0.5.1')
>>> import groovyx.net.http.RESTClient
>>>
>>> github = new RESTClient( 'http://github.com/api/v2/json/' )
>>>
>>> println "|=Project|=Description|=Use Wiki?|=Use Issues?"
>>> def response = github.get( path : 'repos/show/xwiki' )
>>> response.data.repositories.each() { repo ->
>>> println
>>> "|[[${repo.name}>>http://github.com/xwiki/${repo.name}]]|${repo.description}|${repo.has_wiki}|${repo.has_issues}"
>>> }
>>> {{/groovy}}
>>> {{/cache}}
>>>
>>> If you try to do this without the grab directive you'll find yourself
>>> hunting down more than 30 jars which you'll need to put in your WEB-INF/lib
>>> directory, whereas here it's a single line directive. It's really powerful.
>>>
>>> Here's my +1 to make it easy for users to use Groovy scripts.
>>>
>>> Thanks
>>> -Vincent
--
Sergiu Dumitriu
http://purl.org/net/sergiu/
_______________________________________________
devs mailing list
[email protected]
http://lists.xwiki.org/mailman/listinfo/devs
