Question

how to read/display xmpp (jabber) protocol get xml vcard photo into Delphi

Asked by: Cvefa

how i can read photo and display into xml
xmpp protocol send xml vcard avatar photo in to xml file.
(i think this string encode64)

example
 function binarytojpeg(getdata:String):Tjpegfile;
  begin
       //getdata: xmlstring;
       xmlstring := <photo>897ce4538a4568f2e3c4838c69a0d60870c4fa49</photo>
       hash := <hash>897ce4538a4568f2e3c4838c69a0d60870c4fa49</hash>
   
     ....
    savetofile(test.jpg);
           
  end;

 this is a real example xml file 

<presence id="e3T50-75" to="cvg@esx10-
 
2022/spark" from="semra@esx10-2022" 
 
type="unavailable">
  <x xmlns="vcard-temp:x:update">
    
 
<photo>897ce4538a4568f2e3c4838c69a0d60870c
 
4fa49</photo>
  </x>
  <x xmlns="jabber:x:avatar">
    
 
<hash>897ce4538a4568f2e3c4838c69a0d60870c4
 
fa49</hash>
  </x>
</presence>
                                  
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Asked On
2009-08-29 at 14:10:41ID24692390
Tags

xmpp delphi photo read xml jabber

Topics

Delphi IDE

,

XMPP

,

Pascal Programming Language

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Answers

 

by: CvefaPosted on 2009-08-30 at 04:50:48ID: 25217324

this site and example maybe useful
http://xmpp.org/extensions/xep-0153.html

this is a introduction xmpp protocol spesification (Vcard avatar images)

Example 3. User's Client Includes Avatar Hash in Presence Broadcast

<presence from='juliet@capulet.com/balcony'>

<x xmlns='vcard-temp:x:update'>

<photo>sha1-hash-of-image</photo>

</x>

</presence> <?XML:NAMESPACE PREFIX = [default] vcard-temp:x:update NS = "vcard-temp:x:update" /><x xmlns="vcard-temp:x:update">
</x>



 

by: CvefaPosted on 2009-08-30 at 05:08:04ID: 25217379

 

by: CvefaPosted on 2009-09-07 at 05:05:24ID: 25274437

Yes i will waiting a long time but cant get solutions here.

 i get real solutions & answered to another site

this link
http://stackoverflow.com/questions/1366423/how-do-you-display-an-xmpp-jabber-vcard-photo-in-delphi

20120131-EE-VQP-002

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