Thank you so much Dietrich, Fritz, and Mustafa. That looks to be exactly
what I need. I appreciate the help. Unfortunately, it is not publically
accessible, as much of it would not make sense to non-meteorologists.
Hopefully now that I'm on the list, I can return the favor of the help.
Matt
On Mon, Feb 16, 2015 at 1:42 AM, Dietrich Streifert <
[email protected]> wrote:
> Hi Matt,
>
> the simpliest solution would be to write:
>
> var theRawPropertyID = 'dewpoint';
>
> var methodName = 'get'+capitaliseFirstLetter(theRawPropertyID);
> if(object[methodName]) {
> value = object[methodName].call(object);
> return value;
> } else {
> return null;
> }
>
> where capitaliseFirstLetter is a yet to write function (
> http://stackoverflow.com/questions/1026069/capitalize-the-first-letter-of-string-in-javascript
> )
>
> Regards
> Dietrich
>
> Am 16.02.2015 um 01:00 schrieb Matt Davis - NOAA Federal:
>
> Hi Qooxdoo team and contributors,
>
> I use Qooxdoo in relation to a massive project of the U.S. National
> Weather Service. We're not exactly new to Qooxdoo, we've been using qx
> since 1.x, and our frontend is around 875k lines. Your project is
> outstanding, and helping to protect the public. Thank you!
>
> I've run into something likely above my knowledge level, and seem to be
> getting results I cannot debug.
>
> We have a qx object model of a weather/earth science observation. It may
> have some number of several hundred possible properties.
>
> I need to determine if the property exists, and if so, whether it meets
> certain criteria.
>
> I've read all I can on how this works and am still baffled. In some
> cases, I can have results of which a console.log of the typeof returns
> nothing, not null, not undefined, just nothing. This is throwing our
> various conditionals into fits. I'd thought I'd fixed it with catching the
> qxobject.get(element) error to determine existence, but this too is
> throwing strange results. I have tried the 'in' operator and the
> 'hasOwnProperty' method without success.
>
> The basic code is something like thing this. Element would be the raw
> property ID. For instance, if the object has a 'getDewpoint()' method,
> element would be 'dewpoint'.
>
> try {
> if (object.get(element)) {
> value = object.get(element);
> return value;
> } else {
> // No element assigned
> return null;
> } catch(error) {
> // It appears element was not set on object, so also return null
> return null;
> }
>
> I'm sure I'm missing something here. Consider several hundred
> observations being sent through a member function
> encasing the above code. As a programmer, I'd expect either the value or
> null, but logging it every way I know how shows
> it justing "skipping" values with no element.
>
> I'm hoping someone can enlighten me on my misunderstanding of this.
>
> Thank you much,
> Matt
>
> --
> *Iris, iNWS, and Impact Catalog Technical Lead*
> *OS&T/MDL/DAB*
> La Crosse, Wisconsin
>
>
>
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--
*Iris, iNWS, and Impact Catalog Technical Lead*
*OS&T/MDL/DAB*
La Crosse, Wisconsin
Office: (608) 784-8275 x486
Telework: (608) 406-0537
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