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From: mike <withforesight@gmail.com>
Date: Sun, 30 Jan 2011 20:53:46 -0500
Message-ID: <AANLkTikx+gADfe=sv6fyEyYu3C=wbtOXduZRwwKkxFB5@mail.gmail.com>
Subject: Re: jquery ajax: json vs jsonp
To: user@couchdb.apache.org
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Never-mind ... answering my own question -- just double click in the field
to be changed... duh..

Mike


On Sun, Jan 30, 2011 at 8:49 PM, mike <withforesight@gmail.com> wrote:

> Hi Jan,
>
> Thanks.
>
> Is there a browser interface that will allow me to change config.html  so I
> can make *allow_jsonp TRUE*
>
> Best,
>
> Mike
>
>
>
> On Sun, Jan 30, 2011 at 7:07 PM, Jan Lehnardt <jan@apache.org> wrote:
>
>> Hi Mike,
>>
>> you have to specifically enable JSONP. See the "Configuration" pane in
>> Futon.
>>
>> There are minimal API docs for couch.js and jquery.couch.js here:
>>
>>  http://www.couchone.com/page/library-couch-js
>>  http://www.couchone.com/page/library-jquery-couch-js
>>
>> Cheers
>> Jan
>> --
>>
>>
>>
>>
>>
>> On 31 Jan 2011, at 00:41, mike wrote:
>>
>> > I just started exploring couchDB and ran into this problem.  I am trying
>> to access some stuff on my newly created couchone.com database.  I just
>> want to learn how to fetch the names of the databases I have created  using
>> an ajax call from a client browser running on a local pc.
>> >
>> > Using jQuery (in Firexox) in the firebug command window I run this:
>> >
>> > test = function(){
>> >   url = "http://withforesight.couchone.com/_all_dbs";
>> >  $.ajax({
>> >    url: url,
>> >    dataType: 'jsonp',
>> >    success: ( function(Response){ console.log(26, 'response is: ',
>>             Response) } ),
>> >    error: function(XMLHttpRequest, textStatus,
>> errorThrown){alert("Error"); }
>> > });
>> >
>> > };
>> > test()
>> >
>> > I receive the following reply from the server:
>> > HTTP/1.1 200 OK
>> > Server: CouchDB/1.0.2 (Erlang OTP/R14B)
>> > Date: Sun, 30 Jan 2011 22:52:29 GMT
>> > Content-Type: text/plain;charset=utf-8
>> > Content-Length: 55
>> > Cache-Control: must-revalidate
>> >
>> > In all cases I see a status code of 200OK.  (note odd content type).
>> >
>> > However:
>> > (1) the success handler DOES NOT trigger.  Nothing appears in the
>> console log.
>> > (2) In the NET tab I see the data has been returned both in JSON format
>> and as an array (under the RESPONSE tab)
>> > ["test_suite_reports","test_suite_db","mike","_users"]
>> >
>> >
>> >
>> > (3) I see no way to access the returned data in my program.  It is not
>> in the DOM and there is no variable I can find that contains the response
>> data.
>> > Now if I change the ajax dataType request to just json
>> > dataType: 'jsonp', to dataType: 'json',
>> > then:
>> > (1) the success handler fires
>> > (2) BUT  NO is data returned
>> > (3) and I get this in response headers
>> > HTTP/1.1 200 OK Server: CouchDB/1.0.2 (Erlang OTP/R14B)
>> > Date: Sun, 30 Jan 2011 22:55:05 GMT
>> > Content-Type: application/json
>> > Content-Length: 55
>> > Cache-Control: must-revalidate
>> > I think jsonP is required because this seems to be a cross-domain
>> request.  But either I am missing something or perhaps CouchDB is not setup
>> to handle the callback processing required by jsonp requests. (see:
>> http://remysharp.com/2007/10/08/what-is-jsonp/)
>> > Any help, advice, beer appreciated....
>> >
>> > Also, I can not find any examples or documentation for:
>> > jquery.couch.js (the jQ plugin)
>> > and
>> > couch.js (that ships with the couchDB installation).
>> > Pointers to docs/examples much appreciated.
>> >
>> > Mike Behar
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>>
>>
>

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