Bob Hanson wrote:
Currently I've got getProperty() working from within Viewer, and only
intended for use by the applet; I'd like to know more about how a
"common" interface might be set up. Presumably this means that the
applet and app would have the same interface but implement these
differently -- one using JSON objects; the other some sort of
agreed-upon Java data structures. I don't in any way want to imply
that I know how to do this.
I like Miguel's idea that a common class could generate Java
structures that could then be simply converted into JSON objects on
the fly instead of creating two distinct parallel methods.
Let's try to work on how to make it useable for both Java and JavaScript.
First, I think we should concentrate on defining the kind of data
structure the getProperty() mechanism should be able to return.
I am putting a first draft in this mail.
My understanding is:
- The getProperty() method could return an "Object" or an ordered array
of "Object".
- An "Object" itself is simply an unordered collection of "Property".
- A "Property" is the combination of a "Property Name" and a "Property
Value".
- A "Property Name" is a string.
- A "Property Value" can be of several kinds: string, integer, floating
point, boolean, (are there others ?), "Object" or even an ordered array
of one of the previous types.
and that's all.
After writing it, it seems quite simple.
Am I wrong ? What have I overlooked ?
Don't hesitate to add comment, say I am wrong, ...
If I am not too far off, that should be easy to implement the
getProperty() method to return a Java object, and the getJsonProperty()
method to convert this Java object into a JSON string.
What do you think ?
Nico
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