Here is the bug report:
https://jsr311.dev.java.net/issues/show_bug.cgi?id=66
Gili
Paul Sandoz wrote:
>
> On Jan 22, 2009, at 2:38 AM, Gili wrote:
>
>>
>> Is there a formal bug report I can subscribe to?
>>
>
> There is currently no issue for it, but it is documented in the
> proposed MR:
>
> http://markmail.org/search/?q=list%3Anet.java.dev.jsr311.dev#query:list
> %3Anet.java.dev.jsr311.dev+page:1+mid:vziwgklyzdnpconk+state:results
>
> Could you add an issue?
>
> Paul.
>
>
>> Gili
>>
>>
>> Marc Hadley wrote:
>>>
>>> On Jan 20, 2009, at 7:22 AM, Gili wrote:
>>>
>>>>
>>>> Alternatively, simply add Request.evaluatePreconditions()
>>>> with no
>>>> arguments that would indicate that the resource does not exist. This
>>>> would be backwards compatible.
>>>>
>>> I think adding a new method as you suggest would be best. I'll add
>>> this to the list of proposed changes for JAX-RS 1.1.
>>>
>>> Marc.
>>>
>>>>
>>>> Paul Sandoz (via Nabble) wrote:
>>>>
>>>>>
>>>>> On Jan 20, 2009, at 2:25 AM, Gili wrote:
>>>>>
>>>>>>
>>>>>> I hope I didn't jump the gun, but upon taking at the Jersey
>>>> source-
>>>>>> code I
>>>>>> don't think it is technically possible to get this to work. I
>>>> filed
>>>>>> https://jersey.dev.java.net/issues/show_bug.cgi?id=185 but I
>>>> believe
>>>>>> this is
>>>>>> actually a bug in the specification. It's my understanding that
>>>> Marc
>>>>>> Hadley
>>>>>> reads this mailing list so hopefully he will run across this
>>>> post.
>>>>>>
>>>>>
>>>>> Yes, i think this is an oversight in the spec.
>>>>>
>>>>> So what you are proposing is if a null value for an entity tag is
>>>>> passed in then the application is stating the resource does not
>>>> exist.
>>>>> And a null value will be returned for the case of If-None-Match: *
>>>> is
>>>>> present.
>>>>>
>>>>> We may be able to resolve in the maintenance release, but i need to
>>>>> discuss with Marc.
>>>>>
>>>>> A workaround is to do the following:
>>>>>
>>>>> public void put (...., @HeaderParam("If-None-Match") String
>>>> value) {
>>>>> if (value.equals("*") {
>>>>> } else {
>>>>> }
>>>>> }
>>>>>
>>>>> Paul.
>>>>>
>>>>>> Gili
>>>>>>
>>>>>>
>>>>>> Gili wrote:
>>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> My client issues an HTTP PUT with If-None-Match: * because it
>>>>>>> wishes to
>>>>>>> ensure the operation only proceeds if the resource does not
>>>> already
>>>>>>> exist.
>>>>>>> I'm not sure how to implement this using
>>>>>>> Request.evaluatePreconditions on
>>>>>>> the server side. I want to be able to support both If-None-
>>>> Match and
>>>>>>> If-Match headers on the server.
>>>>>>>
>>>>>>> If the resource doesn't exist then I can't invoke
>>>>>>> Request.evaluatePreconditions(EntityTag) because I have no
>>>>>>> EntityTag. If I
>>>>>>> omit this call altogether but the client specifies If-Match:
>>>>>>> <value> then
>>>>>>> I will fail to handle this header and the call with go ahead
>>>> even
>>>>>>> though
>>>>>>> it should not. Any ideas?
>>>>>>>
>>>>>>> Thank you,
>>>>>>> Gili
>>>>>>>
>>>>>>
>>>>>> --
>>>>>> View this message in context:
>>>>>
>>>> http://n2.nabble.com/Request.evaluatePreconditions-and-If-None-Match%3A*-tp2184385p2184454.html
>>>>>> Sent from the Jersey mailing list archive at Nabble.com.
>>>>>>
>>>>>>
>>>>>>
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>>>> ------------------------------------------------------------------------
>>>>> This email is a reply to your post @
>>>>>
>>>> http://n2.nabble.com/Request.evaluatePreconditions-and-If-None-Match%3A*-tp2184385p2185767.html
>>>>> You can reply by email or by visting the link above.
>>>>>
>>>>
>>>> View this message in context: Re: [Jersey]
>>>> Request.evaluatePreconditions and If-None-Match:*
>>>> Sent from the Jersey mailing list archive at Nabble.com.
>>>
>>> ---
>>> Marc Hadley <marc.hadley at sun.com>
>>> CTO Office, Sun Microsystems.
>>>
>>>
>>>
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>>>
>>>
>>
>> --
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>>
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