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 @
>>>>
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>>>>
>>>
>>> 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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>>
>
> --
> View this message in context: http://n2.nabble.com/Request.evaluatePreconditions-and-If-None-Match%3A*-tp2184385p2195747.html
> Sent from the Jersey mailing list archive at Nabble.com.
>
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