I did :
ERXRouteResults results = (ERXRouteResults)response(someEntity, filter);
String etagHash =
ERXCrypto.sha256Encode(results.responseNode().toString(results.format(),
this.restContext()));
> there's not a direct simple way to do it ... probably grab the snapshot off
> the EO and compute a hash of the values (you can ignore the keys because
> they're fixed). it might be something where you can make a new interface in
> ERX that your EO's could implement to provide a more optimal impl (like
> ERCStamped could use its lastModified as a basis).
>
> ms
>
> On May 25, 2011, at 1:55 PM, Pascal Robert wrote:
>
>> I'm trying to find a way to generate a HTTP ETag for EOs so that caching can
>> be done for REST services. What I want to do is to have the same ETag value
>> for each representation of the EO, so when one of the values change, the
>> ETag value will also change, but if the EO have the same value, it will
>> generate the same ETag as another request got.
>>
>> Problem is: I don't know what to use. I tried with myEO.hashCode() but I did
>> some tests and every time I fetch the EO, the hashcode is different even if
>> the data didn't change. I'm thinking of doing a MD5 digest of part of the
>> EO, but I was wondering if another way exist? I could use a "last modified"
>> date and generate a MD5 of that too, but that date is a better option for
>> the Last-Modified header.
>>
>> --
>> Pascal Robert
>> prob...@macti.ca
>>
>> WOWODC 2011 : July 1-2-3, Montreal. wowodc.com
>>
>> AIM/iChat : MacTICanada
>> LinkedIn : http://www.linkedin.com/in/macti
>> Twitter : pascal_robert
>>
>>
>>
>> _______________________________________________
>> Do not post admin requests to the list. They will be ignored.
>> Webobjects-dev mailing list (Webobjects-dev@lists.apple.com)
>> Help/Unsubscribe/Update your Subscription:
>> http://lists.apple.com/mailman/options/webobjects-dev/mschrag%40pobox.com
>>
>> This email sent to msch...@pobox.com
>
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (Webobjects-dev@lists.apple.com)
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com
This email sent to arch...@mail-archive.com
