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Using HTTP Link: headers for web linking non-hypertext   Message List  
Reply | Forward Message #13071 of 14408 |
Re: [rest-discuss] Using HTTP Link: headers for web linking non-hypertext

On Jul 1, 2009, at 9:24 AM, Mike Kelly wrote:

> Subbu Allamaraju wrote:
>
>> Servers create links, sometimes using information provided by
>> clients.
>>
>
> Why does this mean clients cannot create links?

They (browsers) do not. But that is besides the point for this thread.

The key question being debated is whether link management is a client
concern or it is a consequence of some protocol operation performed by
a client.

Subbu
Wed Jul 1, 2009 4:37 pm

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sallamar
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Forward 		Message #13071 of 14408 |
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... Why would they? Seems like a corner case. -- Bill Burke JBoss, a division of Red Hat http://bill.burkecentral.com...
Bill Burke
patriot1burke
Online Now Send Email 		Jul 1, 2009
4:29 pm

... They (browsers) do not. But that is besides the point for this thread. The key question being debated is whether link management is a client concern or it...
Subbu Allamaraju
sallamar
Offline Send Email 		Jul 1, 2009
4:37 pm

... Ok so here's a separate but similar issue. I've just released an Internet-Draft...
Sam Johnston
sam.johnston...
Offline Send Email 		Jul 1, 2009
11:18 pm

... The point is you don't have to be able to create links to consume them and vice versa. Both servers and clients create links and there seems little point...
Sam Johnston
sam.johnston...
Offline Send Email 		Jul 1, 2009
4:35 pm

Hi Subbu- ... This looks just right for a one-many link (as in my #1 option -- post to a cart "collection" resource) in which the "one" is obvious and easily ...
Peter Keane
pkeane_littl...
Offline Send Email 		Jun 30, 2009
8:29 pm

Peter, ... This is a great use case - thanks a lot. ... I'm going one step further in eliminating the Atom for individual resources. That would allow you...
Sam Johnston
sam.johnston...
Offline Send Email 		Jun 30, 2009
8:50 pm

... So, when you let clients establish links between resources, who controls whether a link is valid or bogus? What is the advantage of the client owning this...
Subbu Allamaraju
sallamar
Offline Send Email 		Jun 30, 2009
10:26 pm

... Good questions. Certainly, it'll be the server that controls what's a valid "linkage", but the range of possibilities might be (nearly) infinite. And I ...
Peter Keane
pkeane_littl...
Offline Send Email 		Jul 1, 2009
1:33 am

FWIW, Link *Headers* make sense to me when the link are metadata about the resource. However, when the links are to be treated as first-class resources ...
mike amundsen
mamund
Offline Send Email 		Jul 1, 2009
3:02 am

I agree with mike. IMHO, it seems it is here a meta level problem w.r.t. the application vs. protocol POV. Taking the building/architect example, the architect...
Yannick Loiseau
pioupiougroups
Offline Send Email 		Jul 1, 2009
9:49 am

Yannick, Does this not strike you as far more complicated than necessary? Under your proposal I need to do a bunch of requests and understand a new language...
Sam Johnston
sam.johnston...
Offline Send Email 		Jul 1, 2009
1:46 pm

... Indeed, this is a little overhead since here I modeled a one-to-many (or many-to-many as suggested before) relationship, and added more semantic than...
Yannick Loiseau
pioupiougroups
Offline Send Email 		Jul 1, 2009
3:38 pm

... Do you mean like this? GET /cart "cart" : {... , "products": [], .... } adding products: PUT /cart "cart": {..., "products": [ "/products/143",...
Mike Kelly
pleb1985
Offline Send Email 		Jul 1, 2009
2:24 pm

... Mike- Yes, that's basically what I was proposing. (I was thinking specifically in terms of Atom, but the GET/EDIT/PUT pattern is exactly the approach I...
Peter Keane
pkeane_littl...
Offline Send Email 		Jul 1, 2009
4:28 pm

... Let's leave aside the issue on whether to introduce LINK and UNLINK. What about the value of Link headers themselves? I really like the idea of...
Bill Burke
patriot1burke
Online Now Send Email 		Jul 1, 2009
12:26 pm

What is "polluting" about links? I suspect that you are talking about adding links to an object serialized into XML is polluting the representation. But is...
Subbu Allamaraju
sallamar
Offline Send Email 		Jul 1, 2009
1:09 pm

Subbu, I'm thinking more of the case where you have more generic services that need to know about certain relationships but don't understand the data format. ...
Bill Burke
patriot1burke
Online Now Send Email 		Jul 1, 2009
1:41 pm

Exactly - it's about making non-hypertext resources first class citizens on the Internet in an intuitive, RESTful manner. Sure I could base64 encode them and...
Sam Johnston
sam.johnston...
Offline Send Email 		Jul 1, 2009
1:57 pm

I'm thinking even for hypertext-based resources you'd want link headers. Headers seem much much more simpler than requiring a envelope format like Atom. ... --...
Bill Burke
patriot1burke
Online Now Send Email 		Jul 1, 2009
2:10 pm

Ah. That makes sense. (To fully take advantage of these headers and entity headers in general, client APIs will need to start including headers as part of...
Subbu Allamaraju
sallamar
Offline Send Email 		Jul 1, 2009
2:31 pm

... Ditto - the question was about devising a "means to manage the implied relationship". The designers of HTTP planned to do it with LINK and UNLINK, but I...
Sam Johnston
sam.johnston...
Offline Send Email 		Jun 26, 2009
1:29 pm

... Its not just about raw performance though. There's also a barrier to entry problem very similar to SOAP and CORBA. Before I heard about Atom, one of the...
Bill Burke
patriot1burke
Online Now Send Email 		Jun 26, 2009
2:39 pm
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