[JDEV] Can I get roster of certain group?

[Matthias Wimmer]

Hi Ru-Shan!

Ru-Shan Cheng schrieb am 2003-07-16 12:26:09:
> How can I achive this function?
> ex: 
> 	1.Change group definition in xml?
> 	   ex: <iq type='get'> <query xmlns='jabber:iq:roster:group'>
> 	   					   <query xmlns='jabber:iq:group'>
> 			or	   					   
> 	   	   <iq type='group_roster'> ?
> 	2. Other method?
> 	
> What kind of solutions will cost less efforts or form better architecture?

Setting the type of an iq to "group_roster" is not allowed. Using your
own namespaces for queries is, but you are not allowed to build your own
namespaces that start with "jabber:". But your company (or you as a
private person) for sure has a http address, that can be used to build
namespaces. You could even use your email-adress with the "mailto:"
prefix as a namespaces.

Therefore the following queries would not break any rules:

<iq type='get'>
    <query xmlns='http://yourcompany.example.com/xmlns/limitedroster'>
        <limit group='A'/>
    </query>
</iq>

or:

<iq type='get'>
    <query xmlns='mailto:minamy at pchome.com.tw?subject=limitedroster'>
        <limit group='A'/>
    </query>
</iq>


But you could even extend the normal query. This would make your client
compatible with servers that don't implement your extension:

<iq type='get'>
    <query xmlns='jabber:iq:roster'>
        <limit
	xmlns='http://yourcompany.example.com/xmlns/limitedroster'
	group='A'/>
    </query>
</iq>


Tot kijk
    Matthias
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