Hi Thomas,

Oops sorry,
> I don't understand, what I said is that you can only have one class in
> a document but you can have several objects

I was busy with some office work also. Just skimmed through.
I will send a draft UML class diagram later.It will be prettier than asci
art :-).

>>A Map<XProperty> would probably make more sense
Yeah needs to use Maps. Thnx. I was careless.

Thanks for the Quick reply.

Best Regards
Sasinda.

---------- Forwarded message ----------
From: Thomas Mortagne <[email protected]>
Date: Mon, Jun 18, 2012 at 3:08 PM
Subject: Re: [xwiki-devs] Fwd: [GSoc] XDroid Platform
To: [email protected], XWiki Developers <[email protected]>


On Mon, Jun 18, 2012 at 11:30 AM, sasinda rukshan
<[email protected]> wrote:
> ---------- Forwarded message ----------
> From: sasinda rukshan <[email protected]>
> Date: Mon, Jun 18, 2012 at 2:56 PM
> Subject: Re: [xwiki-devs] [GSoc] XDroid Platform
> To: XWiki Developers <[email protected]>
>
>
> Hi Thomas,
>
> Thanks for the explanations.
> The methods toXML , toEmbedXML are wrong.It was just an idea that came up
> without much thinking. I will use a separate model
> converter.(xwikitTosimpleModelConverter implements ModelConverter like
> thing). So the model objects don't know about it at all.
> By what you ment by "user" I think it is the client app developer is it?

Yes I mean the user of the API.

> you did not mean end user. I never reveal the xml representations to end
> users.
>
> I came up with a simpler design. I will post diagram later tomorrow.

Ok, this ASCII art here is not very easy to read ;)

> To give a brief on it,
> XObject           : has protected property List<XProperty>

A Map<XProperty> would probably make more sense here since each
property as a unique name in an object and you will need to set some
specific property very often.

> |__XPoperty  :<< all objects that can be added as a  property of an
objects
> should extend this. Has an attribute list. cancels the
> |                         property list of XObject
> |      |_____XString          :
> |__Abstract XDocObject  :<< all documents should have an object of this.
> This is the pages class. Has a object  List<XObject>
> |       |____XBlog             :<< all documents which are blogs should
> have a object of this. This determines the class of the object.
> |                                          but this data is not posted
> anywhere in <link rel="...../class"> . It is just kept for type checks.
> That is like
> |                                         this page should include
> XBlogPost objects.
> |__XBlogPost                   : <<the BlogPostClass object.
>
> In my view I assume every page has an object of some class. And this
object
> holds the objects which you can get under .../pages/BlogPg1/objects/

Well not exactly, you don't always have an object. A document can be
just about content. Just a wiki page if you prefer.

>
> [
> an added advantage:
> I think we can make a ViewEngine to generate android View components from
> the above model. Since the objects in the page carry rendering
> descriptions.We can make a general model like a browser to
> brows xwiki using generated the views. But the problem is some features in
> specific spaces like blog do not seem to be totally defined by the XWiki
> Object model behind them. Also this is just an idea (not suggesting I do
> for the GSoc).Making it a  usable reality is a little challenge.
> ]
>
> So as you said if a document (I think it equivalent to a page) can have
> many class types my assumption fails.
> Why should a document be of multiple classes. I was thinking a page
belongs
> to a class. And the page is an instance of that class. If page can have
> multiple classes my understanding should be wrong. Isn't it?

I don't understand, what I said is that you can only have one class in
a document but you can have several objects.

>
> Thanks
> Best Regards
> Sasinda.
>
>
>
>
>> >>>> >>>> > On Wed, May 30, 2012 at 1:11 PM, Thomas Mortagne
>> >>>> >>>> > <[email protected]>wrote:
>> >>>> >>>> >
>> >>>> >>>> >> On Wed, May 30, 2012 at 4:28 AM, sasinda rukshan
>> >>>> >>>> >> <[email protected]> wrote:
>> >>>> >>>> >> > Hi,
>> >>>> >>>> >> > I am studying ORM Lite these days.
>> >>>> >>>> >> > Please It would be comforting if you can confirm whether
it
>> is
>> >>>> worth
>> >>>> >>>> >> > the
>> >>>> >>>> >> > overhead to use ORM Lite.
>> >>>> >>>> >> >
>> >>>> >>>> >>
>> >>>> >>>> >>
>> >>>>
>>
http://logic-explained.blogspot.com/2011/12/using-ormlite-in-android-projects.html
>> >>>> >>>> >> > http://ormlite.com/
>> >>>> >>>> >> > ORM Lite features:
>> >>>> >>>> >> > Automatically Creates standard DAOs for an annotated
entity.
>> >>>> >>>> >> > Coding will be lot easier.
>> >>>> >>>> >>
>> >>>> >>>> >> Remember it's a framework for a mobile platform so it has to
>> >>>> remain
>> >>>> >>>> >> light and have good performances. I can see that Android
>> version
>> >>>> of
>> >>>> >>>> >> ormlite is very small but I never used it so I don't know if
>> >>>> it's good
>> >>>> >>>> >> or not. At least it seems petty active which is a good point
>> so I
>> >>>> >>>> >> don't have anything against it.
>> >>>> >>>> >>
>> >>>> >>>> >> >
>> >>>> >>>> >> > Can you suggest how to name the entities.
>> >>>> >>>> >> > I am going to go with,
>> >>>> >>>> >> > <entity>  org.xwiki.xdroid.data.User  --> <table> C_USER
>> >>>> >>>> >>
>> >>>> >>>> >> Note that there is already a package name prefix and group
id
>> >>>> defined
>> >>>> >>>> >> for the framework and it's org.xwiki.android as you can see
on
>> >>>> >>>> >> https://github.com/xwiki-contrib/android-client. Why do you
>> >>>> want to
>> >>>> >>>> >> change it ? It's more consistent with
>> >>>> >>>> >> org.xwiki.commons/org.xwiki.rendering/org.xwiki.platform so
I
>> >>>> would
>> >>>> >>>> >> prefer to keep it that way unless you can give arguments.
The
>> >>>> goal is
>> >>>> >>>> >> not to redo something completely but complete and improve
the
>> >>>> existing
>> >>>> >>>> >> framework.
>> >>>> >>>> >>
>> >>>> >>>> >> Also as far as I can see there is already several things
>> called
>> >>>> >>>> >> "xdroid" on Google play among which an application developer
>> >>>> >>>> >> (https://play.google.com/store/apps/developer?id=x-droid)
>> and an
>> >>>> >>>> >> application (
>> >>>> >>>> >>
>> >>>> >>>> >>
>> >>>>
>>
https://play.google.com/store/apps/details?id=com.gurudigitalsolutions.xdroid
>> >>>> >>>> >> ).
>> >>>> >>>> >>
>> >>>> >>>> >> >
>> >>>> >>>> >> > Thanks,
>> >>>> >>>> >> > Best Regards
>> >>>> >>>> >> >
>> >>>> >>>> >> > Sasinda.
>> >>>> >>>> >> >
>> >>>> >>>> >> >
>> >>>> >>>> >> >
>> >>>> >>>> >> >
>> >>>> >>>> >> >
>> >>>> >>>> >> > On Wed, May 30, 2012 at 7:42 AM, sasinda rukshan
>> >>>> >>>> >> > <[email protected]>wrote:
>> >>>> >>>> >> >
>> >>>> >>>> >> >> Hi,
>> >>>> >>>> >> >>
>> >>>> >>>> >> >> I am commiting my work to my fork
>> >>>> >>>> >> >> https://github.com/sasinda/android-client.
>> >>>> >>>> >> >> I ll request to pull it to xwiki-contrib later.
>> >>>> >>>> >> >>
>> >>>> >>>> >> >> I was running in a wrong path these days. Wanted to save
>> login
>> >>>> >>>> >> >> history
>> >>>> >>>> >> and
>> >>>> >>>> >> >> suggest login. I was going to do it using an xml file
>> (login
>> >>>> >>>> >> attempts.xml).
>> >>>> >>>> >> >> Now it seems database is better.
>> >>>> >>>> >> >> Any way before I go wrong again I will say what I am
going
>> to
>> >>>> do.
>> >>>> >>>> >> >> I am going to enforce following conventions.These are not
>> yet
>> >>>> >>>> >> >> needed,
>> >>>> >>>> >> >> considered the small scale.But when the system grows it
>> would
>> >>>> be
>> >>>> >>>> >> >> nice to
>> >>>> >>>> >> >> have them to avoid confusions.
>> >>>> >>>> >> >> *Database prefixes for:*
>> >>>> >>>> >> >> *Platform tables (can begin with appropriate prefix)*
>> >>>> >>>> >> >> AD_ //application dictionary : don't know when it will be
>> >>>> needed ;-)
>> >>>> >>>> >> >> C_ //core functionality
>> >>>> >>>> >> >> *Client Applications.*
>> >>>> >>>> >> >> X<App name prefix>  ex: XBLOG_   for Blog app// All
client
>> >>>> add in
>> >>>> >>>> >> modules
>> >>>> >>>> >> >> must begin with table prefix X(for xwiki and ordering) +
>> App
>> >>>> name.
>> >>>> >>>> >>  This is
>> >>>> >>>> >> >> for my blog.
>> >>>> >>>> >> >>
>> >>>> >>>> >> >> I will create
>> >>>> >>>> >> >> C_User for user data.
>> >>>> >>>> >> >> C_LoginAttempt  for saving login attempts.
>> >>>> >>>> >> >>
>> >>>> >>>> >> >> From C_LoginAttempt I can filter uniqe login combinations
>> and
>> >>>> give
>> >>>> >>>> >> >> suggestions in the login UI component. Also save the
>> history.
>> >>>> >>>> >> >>
>> >>>> >>>> >> >> All saved data for blog app will be linked to a
perticular
>> >>>> login :
>> >>>> >>>> >> >> User,
>> >>>> >>>> >> >> XWiki server.
>> >>>> >>>> >> >> But only a single user will be most probably using his
>> >>>> personal
>> >>>> >>>> >> >> device.
>> >>>> >>>> >> So
>> >>>> >>>> >> >> above will be relevant only when he has multiple wikis.
>> >>>> >>>> >> >>
>> >>>> >>>> >> >> Best Regards,
>> >>>> >>>> >> >> Sasinda Rukshan.
>> >>>> >>>> >> >>
>> >>>> >>>> >> >>
>> >>>> >>>> >> >>
>> >>>> >>>> >> >>
>> >>>> >>>> >> >>
>> >>>> >>>> >> >> On Sun, May 27, 2012 at 5:43 PM, Chamika Weerasinghe <
>> >>>> >>>> >> [email protected]>wrote:
>> >>>> >>>> >> >>
>> >>>> >>>> >> >>> On Fri, May 25, 2012 at 1:25 AM, Jerome Velociter <
>> >>>> >>>> >> [email protected]
>> >>>> >>>> >> >>> >wrote:
>> >>>> >>>> >> >>>
>> >>>> >>>> >> >>> > On Thu, May 24, 2012 at 6:09 PM, Thomas Mortagne
>> >>>> >>>> >> >>> > <[email protected]> wrote:
>> >>>> >>>> >> >>> > > On Thu, May 24, 2012 at 5:52 PM, sasinda rukshan
>> >>>> >>>> >> >>> > > <[email protected]> wrote:
>> >>>> >>>> >> >>> > >> Hi all,
>> >>>> >>>> >> >>> > >> I am starting this thread for my XWiki Android
>> Platform
>> >>>> >>>> >> >>> > >> Project.
>> >>>> >>>> >> >>> > >>
>> >>>> >>>> >> >>> > >> Please check whether following are OK.
>> >>>> >>>> >> >>> > >> [1] INFO
>> >>>> >>>> >> >>> > >> I tried to start my new modules with the
>> >>>> >>>> >> >>> de.akquinet.android.archetypes:
>> >>>> >>>> >> >>> > >> android-quickstart:1.0.8.  (added eclipse plugins
>> m2e,
>> >>>> >>>> >> >>> > >> m2e-android[a.k.a  *Android
>> >>>> >>>> >> >>> > >> Configurator* ]). But this seems buggy in eclipse.
>> >>>> >>>> >> >>> > >> Any way the earlier project has not followed the
>> above
>> >>>> >>>> >> >>> > >> archtype
>> >>>> >>>> >> >>> either.
>> >>>> >>>> >> >>> > So
>> >>>> >>>> >> >>> > >> I am going to write pom.xml manually for my each
>> module.
>> >>>> >>>> >> >>> > >>
>> >>>> >>>> >> >>> > >> [2] ADVICE NEEDED
>> >>>> >>>> >> >>> > >> xwiki-rest-model module contains 2 submodules
>> >>>> >>>> >> >>> > >>  |-- xwiki-rest-model-gson  ( gson should be
>> corrected
>> >>>> to
>> >>>> >>>> >> >>> > >> json)
>> >>>> >>>> >> >>> > >
>> >>>> >>>> >> >>> > > No the g is not a mistake, it's a model to be used
>> with
>> >>>> the
>> >>>> >>>> >> >>> > > gson
>> >>>> >>>> >> >>> > > library (http://code.google.com/p/google-gson/). See
>> >>>> >>>> >> >>> > >
>> >>>> >>>> >> >>> >
>> >>>> >>>> >> >>>
>> >>>> >>>> >>
>> >>>> >>>> >>
>> >>>>
>>
http://extensions.xwiki.org/xwiki/bin/view/Extension/Google+Android+Client#HXWikiAndroidDevelopmentAPIsandResources
>> >>>> >>>> >> >>> > .
>> >>>> >>>> >> >>> > >
>> >>>> >>>> >> >>> > >>  |-- xwiki-rest-model-simplexml
>> >>>> >>>> >> >>> > >> I think the xwiki-rest-model-gson is redundant. The
>> >>>> classes
>> >>>> >>>> >> >>> > >> in xwiki-rest-model-simplexml is added with simple
>> xml
>> >>>> >>>> >> annotations,
>> >>>> >>>> >> >>> > >> otherwise both modules have same classes. There is
no
>> >>>> problem
>> >>>> >>>> >> >>> > >> with
>> >>>> >>>> >> >>> the
>> >>>> >>>> >> >>> > >> added annotations for using the same model objects
>> for
>> >>>> Json
>> >>>> >>>> >> >>> > >> REST
>> >>>> >>>> >> web
>> >>>> >>>> >> >>> > >> services. And I intend to add my JPA (ORMLite
library
>> >>>> for
>> >>>> >>>> >> >>> persistence)
>> >>>> >>>> >> >>> > >> annotations on top of it.
>> >>>> >>>> >> >>> > >> Shall I re-factor them to a single module
>> >>>> xwiki-rest-model.
>> >>>> >>>> >> >>> > >
>> >>>> >>>> >> >>> > > No keep them separated, the idea is that both are
>> useful
>> >>>> tool
>> >>>> >>>> >> >>> > > to be
>> >>>> >>>> >> >>> > > used by someone else that might be moved to
>> >>>> xwiki-platform at
>> >>>> >>>> >> >>> > > some
>> >>>> >>>> >> >>> > > point along with the current xwiki-rest-model (to be
>> >>>> renamed to
>> >>>> >>>> >> >>> > > xwiki-rest-model-jaxb).
>> >>>> >>>> >> >>> > >
>> >>>> >>>> >> >>> > > Chamika initially started with gson and since XWiki
>> REST
>> >>>> JSON
>> >>>> >>>> >> >>> > > representation had some limitation he moved to XML
>> >>>> >>>> >> >>> > > representation.
>> >>>> >>>> >> >>> > > Maybe at some point Android will have native support
>> for
>> >>>> jaxb
>> >>>> >>>> >> >>> > > which
>> >>>> >>>> >> >>> > > would obviously be the easier for us (embedding jaxb
>> is
>> >>>> not an
>> >>>> >>>> >> option
>> >>>> >>>> >> >>> > > in mobile world where size it still pretty important
>> >>>> especially
>> >>>> >>>> >> >>> > > on
>> >>>> >>>> >> >>> > > phones). Maybe it's already the case on most recent
>> >>>> versions
>> >>>> >>>> >> >>> > > like
>> >>>> >>>> >> 4.0
>> >>>> >>>> >> >>> > > I don't know.
>> >>>> >>>> >> >>> >
>> >>>> >>>> >> >>> > There's also Jackson that could be tried for JSON
>> >>>> >>>> >> >>> > deserialization, if
>> >>>> >>>> >> >>> > said limitations are actually GSON limitations.
>> >>>> >>>> >> >>> >
>> >>>> >>>> >> >>> GSON wasn't the limitation.
>> >>>> >>>> >> >>> It was XWiki RESTful API which doesn't support JSON in
>> some
>> >>>> cases.
>> >>>> >>>> >> >>> So
>> >>>> >>>> >> it's
>> >>>> >>>> >> >>> safe to go with xml.
>> >>>> >>>> >> >>>
>> >>>> >>>> >> >>> >
>> >>>> >>>> >> >>> > Having full JAXB support sound a bit overweight for
>> such an
>> >>>> >>>> >> >>> > "embedded
>> >>>> >>>> >> >>> > API", even if one day it is natively supported by
>> Android.
>> >>>> What's
>> >>>> >>>> >> >>> > important is to have an easy and fast deserialization,
>> IMO.
>> >>>> >>>> >> >>> > The only advantage I can see of going JAXB would be in
>> >>>> re-using
>> >>>> >>>> >> >>> > the
>> >>>> >>>> >> >>> > exact representations and body readers/writers from
>> XWiki
>> >>>> core.
>> >>>> >>>> >> >>> > But
>> >>>> >>>> >> >>> > you probably don't even want to do that since it would
>> mean
>> >>>> >>>> >> >>> > dragging
>> >>>> >>>> >> >>> > XWiki core with you :)
>> >>>> >>>> >> >>> >
>> >>>> >>>> >> >>> > Jerome
>> >>>> >>>> >> >>> >
>> >>>> >>>> >> >>> > >
>> >>>> >>>> >> >>> > >>
>> >>>> >>>> >> >>> > >> [3] INFO
>> >>>> >>>> >> >>> > >>  I had to change some pom.xml s. As the current
>> project
>> >>>> at:
>> >>>> >>>> >> >>> > >>
>> https://github.com/xwiki-contrib/android-client.gitdoes not
>> >>>> >>>> >> build.
>> >>>> >>>> >> >>> > Error
>> >>>> >>>> >> >>> > >> with parent pom.xml coordinates.
>> >>>> >>>> >> >>> > >
>> >>>> >>>> >> >>> > > You probably did not setup you maven install
properly
>> >>>> since
>> >>>> >>>> >> >>> > > what's
>> >>>> >>>> >> on
>> >>>> >>>> >> >>> > >
>> https://github.com/xwiki-contrib/android-client.gitbuild
>> >>>> >>>> >> perfectly
>> >>>> >>>> >> >>> as
>> >>>> >>>> >> >>> > > you can see on
>> >>>> >>>> >> http://ci.xwiki.org/view/All/job/xwiki-android-client/
>> >>>> >>>> >> >>> > > which run a build every time something changes on
the
>> git
>> >>>> >>>> >> repository..
>> >>>> >>>> >> >>> > > You should look at
>> >>>> >>>> >> >>> > >
>> http://dev.xwiki.org/xwiki/bin/view/Community/Building.
>> >>>> >>>> >> >>> > >
>> >>>> >>>> >> >>> > >>
>> >>>> >>>> >> >>> > >>
>> >>>> >>>> >> >>> > >> Thank you
>> >>>> >>>> >> >>> > >> Best Regards.
>> >>>> >>>> >> >>> > >> Sasinda Rukshan
>> >>>> >>>> >> >>> > >> _______________________________________________
>> >>>> >>>> >> >>> > >> devs mailing list
>> >>>> >>>> >> >>> > >> [email protected]
>> >>>> >>>> >> >>> > >> http://lists.xwiki.org/mailman/listinfo/devs
>> >>>> >>>> >> >>> > >
>> >>>> >>>> >> >>> > >
>> >>>> >>>> >> >>> > >
>> >>>> >>>> >> >>> > > --
>> >>>> >>>> >> >>> > > Thomas Mortagne
>> >>>> >>>> >> >>> > > _______________________________________________
>> >>>> >>>> >> >>> > > devs mailing list
>> >>>> >>>> >> >>> > > [email protected]
>> >>>> >>>> >> >>> > > http://lists.xwiki.org/mailman/listinfo/devs
>> >>>> >>>> >> >>> >
>> >>>> >>>> >> >>> >
>> >>>> >>>> >> >>> >
>> >>>> >>>> >> >>> > --
>> >>>> >>>> >> >>> > Jérôme Velociter
>> >>>> >>>> >> >>> > Winesquare
>> >>>> >>>> >> >>> > http://www.winesquare.net/
>> >>>> >>>> >> >>> > _______________________________________________
>> >>>> >>>> >> >>> > devs mailing list
>> >>>> >>>> >> >>> > [email protected]
>> >>>> >>>> >> >>> > http://lists.xwiki.org/mailman/listinfo/devs
>> >>>> >>>> >> >>> >
>> >>>> >>>> >> >>> _______________________________________________
>> >>>> >>>> >> >>> devs mailing list
>> >>>> >>>> >> >>> [email protected]
>> >>>> >>>> >> >>> http://lists.xwiki.org/mailman/listinfo/devs
>> >>>> >>>> >> >>>
>> >>>> >>>> >> >>
>> >>>> >>>> >> >>
>> >>>> >>>> >> > _______________________________________________
>> >>>> >>>> >> > devs mailing list
>> >>>> >>>> >> > [email protected]
>> >>>> >>>> >> > http://lists.xwiki.org/mailman/listinfo/devs
>> >>>> >>>> >>
>> >>>> >>>> >>
>> >>>> >>>> >>
>> >>>> >>>> >> --
>> >>>> >>>> >> Thomas Mortagne
>> >>>> >>>> >> _______________________________________________
>> >>>> >>>> >> devs mailing list
>> >>>> >>>> >> [email protected]
>> >>>> >>>> >> http://lists.xwiki.org/mailman/listinfo/devs
>> >>>> >>>> >>
>> >>>> >>>> > _______________________________________________
>> >>>> >>>> > devs mailing list
>> >>>> >>>> > [email protected]
>> >>>> >>>> > http://lists.xwiki.org/mailman/listinfo/devs
>> >>>> >>>>
>> >>>> >>>>
>> >>>> >>>>
>> >>>> >>>> --
>> >>>> >>>> Thomas Mortagne
>> >>>> >>>
>> >>>> >>>
>> >>>> >>
>> >>>> >>
>> >>>> >>
>> >>>> >> --
>> >>>> >> Thomas Mortagne
>> >>>> >
>> >>>> >
>> >>>> >
>> >>>> > --
>> >>>> > Thomas Mortagne
>> >>>>
>> >>>>
>> >>>>
>> >>>> --
>> >>>> Thomas Mortagne
>> >>>>
>> >>>
>> >>>
>> >>
>> > _______________________________________________
>> > devs mailing list
>> > [email protected]
>> > http://lists.xwiki.org/mailman/listinfo/devs
>>
>>
>>
>> --
>> Thomas Mortagne
>>
> _______________________________________________
> devs mailing list
> [email protected]
> http://lists.xwiki.org/mailman/listinfo/devs



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