[udig-devel] How do I programmatically add a layer from a PostGIS datast

[Mark Mathis <mmathis@xxxxxxxx>]

All,

I am currently trying to develop a uDig custom application.  I have a 
set of existing plugins that create or modify data in a PostGIS database 
(behind the scenes using straight jdbc operations).  I can see the 
results of my computations by manually refreshing the catalog (assuming 
I have already connected to the postgres datastore) and using other 
built in user interface functionality to add/remove layers and redraw 
the map. 

What I would like to do is, given the appropriate connection parameters 
(host, database, table, and optional filter), programmatically add a new 
layer to the map.  I have done this (more or less) successfully by 
creating a (local) temporary layer and copying the features from the 
database to the new layer.  Unfortunately, this does not meet my 
requirements since any changes to the database are not updated in the 
local layer (at least not without regenerating the local layer).  I have 
also been able to programmtically add the database to the local catalog 
as an available data source.

So, my question is this, "How do I programmatically 'reset' the database 
connection in the catalog view (to pick up any new tables) and call 'add 
to current map' for a specified table (layer)?".

Thanks,

MM

I am currently working with uDig 1.1.1 SDK and eclipse PDE 3.5 (Galileo)