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From Maxim Solodovnik <solomax...@gmail.com>
Subject Re: GSoC: Discussion on Libraries to use for CalDAV
Date Thu, 28 Apr 2016 17:36:43 GMT
please use 3.2.x branch instead of trunk

On Thu, Apr 28, 2016 at 11:22 PM, Ankush Mishra <ankushmishra9@gmail.com>
wrote:

> Alright, a couple of things I'm having problems with in my OM install. My
> Screensharing for some reason does not work, after launching the jnlp file
> with javaws, I get a error saying unable to launch application with the
>
> ERROR that
> /tmp/mozilla_e/$codebase/openmeetings-sceenshare-4.0.0-SNAPSHOT.jar (No
> such file or directory)
>
>
> and JNLP file has:
>
> <application-desc
> main-class='org.apache.openmeetings.screen.webstart.CoreScreenShare'>
>         <argument>$url</argument>
>         <argument>$publicSid</argument>
>         <argument>$labels</argument>
>         <argument>$defaultQuality</argument>
>         <argument>$defaultFps</argument>
>         <argument>$showFps</argument>
>         <argument>$allowRemote</argument>
>         <argument>$allowRecording</argument>
>         <argument>$allowPublishing</argument>
>         <argument>$keystore</argument>
>         <argument>$password</argument>
> </application-desc>
>
>
>
> also, the server log file, keeps logging the following error
>
> ERROR 04-28 22:50:39.907 o.a.o.w.r.StartSharingEventBehavior:131
> [http-nio-0.0.0.0-5080-exec-8] - Unexpected error while creating jnlp file
> java.lang.NullPointerException: null
>     at java.net.URI$Parser.parse(URI.java:3042) ~[na:1.8.0_74]
>     at java.net.URI.<init>(URI.java:588) ~[na:1.8.0_74]
>     at
> org.apache.openmeetings.web.room.StartSharingEventBehavior.respond(StartSharingEventBehavior.java:97)
> ~[openmeetings-web-4.0.0-SNAPSHOT.jar:na]
>     at
> org.apache.openmeetings.web.room.RoomPanel$4.onClick(RoomPanel.java:190)
> [openmeetings-web-4.0.0-SNAPSHOT.jar:na]
>
> I know something's wrong, just not entirely sure what. Any help is
> appreciated.
>
> Ankush
>
> On Thursday 28 April 2016 02:41 PM, Maxim Solodovnik wrote:
>
> I prefer to solve problems as soon as they appears :)
> But it's totally up to you :)
>
> On Thu, Apr 28, 2016 at 1:35 PM, Ankush Mishra <ankushmishra9@gmail.com>
> wrote:
>
>> Alright, makes sense.
>>
>> Should I leave their Apache Slide issue temporarily and if possible later
>> check up on their jackrabbit-webdav dependencies, and make changes in a
>> fork for it?
>> Or just leave it as it is and add necessary changes as and when needed?
>>
>> I'll have to look into their codebase this week, to get a hang of it, in
>> any case.
>>
>> Thanks
>> Ankush
>> On 28 Apr 2016 09:34, "Maxim Solodovnik" <solomax666@gmail.com> wrote:
>>
>>> If I were you I would use  <https://github.com/caldav4j/caldav4j>
>>> https://github.com/caldav4j/caldav4j :)
>>> You always can fork it fix something and propose PR to the original repo
>>> :) I would update libraries they are depend on :)
>>> In case their community is not active at all I can publish necessary
>>> artifacts into our own repo:  <https://bintray.com/openmeetings/maven/>
>>> https://bintray.com/openmeetings/maven/
>>>
>>> On Thu, Apr 28, 2016 at 6:56 AM, Ankush Mishra <
>>> <ankushmishra9@gmail.com>ankushmishra9@gmail.com> wrote:
>>>
>>>> Looks like I forgot to CC, again. Would love to hear what you all think
>>>> on this.
>>>>
>>>> Ankush
>>>> ---------- Forwarded message ----------
>>>> From: "Ankush Mishra" < <ankushmishra9@gmail.com>
>>>> ankushmishra9@gmail.com>
>>>> Date: 27 Apr 2016 19:34
>>>> Subject: GSoC: Discussion on Libraries to use for CalDAV
>>>> To: "dev" <dev@openmeetings.apache.org>
>>>> Cc:
>>>>
>>>> Here's the current list of CalDAV library implementations in JAVA:
>>>>
>>>>  - iCal4j (which is used in the project already for handling ics):
>>>>    This is already used to send out event invites through email. Just
>>>> that this might still be used for handling CalDAV as the calendar data is
>>>> still made up of iCal.
>>>>     There exists an iCal4j-connector which from their page, also,
>>>> implements the CalDAV using jackrabbit-webdav library. But it's development
>>>> seems to have stopped since 2013.
>>>>
>>>>  - CalDAV4j ( https://github.com/caldav4j/caldav4j ):
>>>>
>>>>    From their Project Page:
>>>>    CalDAV4j is a protocol library that extends the Slide project's
>>>> WebDAV client library (which itself is an extension of the Apache's
>>>> HttpClient library) to allow high level manipulation of CalDAV calendar
>>>> collections as well as lower level CalDAV protocol interactions. This
>>>> project uses iCal4j for iCalendar processing.
>>>>
>>>>    This project is promising and their library is stable to use. But
>>>> from their googlecode commits it was last commited on Nov 2013, though
>>>> since moving to GitHub, it still hasn't had much happen.
>>>>
>>>>    One thing I have noticed it's still missing the CalDAV ACL's, things
>>>> like "PRINCIPAL" query haven't been implemented. I'm also not sure of it's
>>>> status of development or it's integration to the JackRabbit sources, but
>>>> from digging up it's history I notice that the Open Source Applications
>>>> Foundation (OSAF) is now defunct, and thus, it might seem like the project
>>>> is at a halt. There also seem to be issues with jackrabbit-webdav
>>>> integeration, it still seems to be using Apache Slide as the WebDAV
>>>> library, atleast in the master branches, though there is a branch on the
>>>> Google Code for caldav4j-webdav using the jackrabbit-webdav library(
>>>> <https://caldav4j.googlecode.com/svn/branches/caldav4j-jackrabbit/>
>>>> https://caldav4j.googlecode.com/svn/branches/caldav4j-jackrabbit/).
>>>>
>>>>
>>>>  - JackRabbit-WebDAV (
>>>> <https://jackrabbit.apache.org/jcr/components/jackrabbit-webdav-library.html>
>>>> https://jackrabbit.apache.org/jcr/components/jackrabbit-webdav-library.html)
>>>> :
>>>>    Taken from their project page:
>>>>    This is the WebDAV Library component of the Apache Jackrabbit
>>>> project. This component provides interfaces and common utility classes used
>>>> for building a WebDAV server or client.
>>>>
>>>>    It supports DAV 1, 2, DeltaV, Ordering, Access Control, Search, Bind.
>>>>
>>>>
>>>> In the end both CalDAV4j and Jackrabbit-webdav, can be used. It'd be
>>>> preferrable to use CalDAV4j, which directly implements CalDAV protocol but
>>>> extends Apache Slide WebDAV protocol library. The main problem with
>>>> caldav4j is that Apache abandoned Slide in 2007 and therefore it is based
>>>> on a deprecated library (now Apache advises to consider Jackrabbit project
>>>> instead). And Jackrabbit-webdav implements only WebDAV specific code. Some
>>>> operations will be very familiar if you already have experience with HTTP
>>>> services (GET, PUT and DELETE), but many are added too (MKCOL, MKCALENDAR).
>>>>
>>>>
>>>> Thus comes the dilemma of which library to use, perhaps at some part
>>>> even the CalDAV4j, could fail, and it would be easier to use
>>>> jackrabbit-webdav at places to implement parts which don't already exist.
>>>>
>>>> In the end, I'm still not certain of which library to use.
>>>>
>>>> Ankush
>>>>
>>>
>>>
>>>
>>> --
>>> WBR
>>> Maxim aka solomax
>>>
>>
>
>
> --
> WBR
> Maxim aka solomax
>
>
>


-- 
WBR
Maxim aka solomax

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