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retrieve-items

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git-svn-id: file:///home/ksmith/gitmigration/svn/xmpp/trunk@1160 4b5297f7-1745-476d-ba37-a9c6900126ab
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Peter Saint-Andre 2007-08-16 02:34:43 +00:00
parent e075434286
commit 99a6d7932a
1 changed files with 3 additions and 3 deletions
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xep-0084.xml
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@ -122,7 +122,7 @@
<li>User publishes avatar data for "image/png" content-type to data node and optionally publishes other content-types to HTTP URLs</li> <li>User publishes avatar data for "image/png" content-type to data node and optionally publishes other content-types to HTTP URLs</li>
<li>User publishes notification of updated avatar to metadata node, with ItemID that matches SHA1 hash of image data for "image/png" content-type (note: this is a hash of the image data itself, not the base64-encoded version)</li> <li>User publishes notification of updated avatar to metadata node, with ItemID that matches SHA1 hash of image data for "image/png" content-type (note: this is a hash of the image data itself, not the base64-encoded version)</li>
<li>Subscribers receive notification</li> <li>Subscribers receive notification</li>
<li>Optionally (and if necessary), subscribers retrieve avatar data identified by ItemID from data node using pubsub get-items feature (or via HTTP)</li> <li>Optionally (and if necessary), subscribers retrieve avatar data identified by ItemID from data node using pubsub retrieve-items feature (or via HTTP)</li>
<li>Optionally, user disables avatar display.</li> <li>Optionally, user disables avatar display.</li>
</ol> </ol>
<p>This process flow is described more fully in the following sections.</p> <p>This process flow is described more fully in the following sections.</p>
@ -194,7 +194,7 @@
</section2> </section2>
<section2 topic='Subscribers Retrieve Data' anchor='process-subretrieve'> <section2 topic='Subscribers Retrieve Data' anchor='process-subretrieve'>
<p>Upon receiving the notification, each subscriber SHOULD determine if it has a locally cached copy of that avatar (which it can determine by searching for an image identified by the ItemID). If the subscriber already has a locally cached copy of the avatar image, it MUST NOT retrieve the image data.</p> <p>Upon receiving the notification, each subscriber SHOULD determine if it has a locally cached copy of that avatar (which it can determine by searching for an image identified by the ItemID). If the subscriber already has a locally cached copy of the avatar image, it MUST NOT retrieve the image data.</p>
<p>If the subscriber does not have a locally cached copy of the avatar image, it SHOULD retrieve the data. It can do this by sending a pubsub get-items request to the data node, specifying the appropriate ItemID:</p> <p>If the subscriber does not have a locally cached copy of the avatar image, it SHOULD retrieve the data. It can do this by sending a pubsub retrieve-items request to the data node, specifying the appropriate ItemID:</p>
<example caption='Subscriber requests last item by ItemID'><![CDATA[ <example caption='Subscriber requests last item by ItemID'><![CDATA[
<iq type='get' <iq type='get'
from='romeo@montague.net/home' from='romeo@montague.net/home'
@ -442,7 +442,7 @@
<p>If a user has multiple online resources at the same time, each resource MAY publish a different avatar. The PEP service SHOULD include the replyto address of the publishing resource as shown above in order to facilitate differentiation between per-resource avatars.</p> <p>If a user has multiple online resources at the same time, each resource MAY publish a different avatar. The PEP service SHOULD include the replyto address of the publishing resource as shown above in order to facilitate differentiation between per-resource avatars.</p>
</section2> </section2>
<section2 topic='Avatar Synchronization' anchor='impl-sync'> <section2 topic='Avatar Synchronization' anchor='impl-sync'>
<p>When a user logs in with a new resource and before publishing an avatar, its client SHOULD retrieve its last published avatar, either automatically by sending presence with the appropriate &xep0115; information or using the "get-items" method described in <cite>XEP-0060</cite>.</p> <p>When a user logs in with a new resource and before publishing an avatar, its client SHOULD retrieve its last published avatar, either automatically by sending presence with the appropriate &xep0115; information or using the "retrieve-items" method described in <cite>XEP-0060</cite>.</p>
</section2> </section2>
<section2 topic='Image Handling' anchor='impl-images'> <section2 topic='Image Handling' anchor='impl-images'>
<p>It is the responsibility of the receiving application to determine which avatar format to retrieve (e.g., "image/gif" rather than "image/png") and to determine the appropriate method for retrieval (e.g., HTTP rather than pubsub).</p> <p>It is the responsibility of the receiving application to determine which avatar format to retrieve (e.g., "image/gif" rather than "image/png") and to determine the appropriate method for retrieval (e.g., HTTP rather than pubsub).</p>