[Handle-info] OpenHandle: JSONP Callback Parameter

["Hammond, Tony" <t.hammond@nature.com>]

Hi:

Well, after a little bit fiddling about I finally added in a "callback"
parameter [1] to the OpenHandle test service. (Note: I haven't yet uploaded
the new sources and .war files but will aim to do that as soon as.) Means
that with a smattering of JavaScript one can have handle values in the
browser.

So, calling the test service as

http://nascent.nature.com/openhandle/handle?&format=json&id=0.NA/0

yields the raw JSON object

{
    "comment" : "OpenHandle (JSON) - see ...",
    "handle" : "hdl:0.NA/0" ,
    "handleValues" : [
      ...
    ]
}

while supplying a callback parameter [1] as

http://nascent.nature.com/openhandle/handle?&format=json&id=0.NA/0&callback=
yah-boo

yields a wrapped JSON object, e,g,

yah-boo(
{
    "comment" : "OpenHandle (JSON) - see ...",
    "handle" : "hdl:0.NA/0" ,
    "handleValues" : [
      ...
    ]
}
)

I've put up a simple test client (based on the CrossTech blogged version)
here

http://nurture.nature.com/openhandle/

and the sources are available for inspection (html [2], js [3]). I'll copy
them later over to the project pages.

Note that the client here uses the jQuery [4] library and for convenience
loads it via the Google AJAX Libraries API [5].

Cheers,

Tony

[1] http://code.google.com/p/openhandle/wiki/OpenHandleParameters
[2] http://nurture.nature.com/openhandle/handle.html
[3] http://nurture.nature.com/openhandle/scripts/handle.js
[4] http://jquery.com/
[5] http://code.google.com/apis/ajaxlibs/


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