Refactored MATLAB client to use the Java client internally.

- Still need to implement selectDATA for all languages.

MATLAB/+XPlaneConnect/getDREFs.m

@@ -0,0 +1,37 @@
+function result = requestDREFs( drefs, socket )
+%requestDREF request the value of a specific DataRef from X-Plane over UDP
+%
+%Inputs
+%     drefs: Cell Array of DataRefs to be requested
+%     socket (optional): The client to use when sending the command.
+%Outputs
+%	result: cell array of resulting data.
+%
+%Use
+%	1. import XPlaneConnect.*;
+%   2. socket = opendUDP();
+%   3. drefs = {'sim/cockpit2/controls/yoke_heading_ratio','sim/cockpit2/controls/yoke_roll_ratio'};
+%	4. result = requestDREF(drefs, socket);
+%
+% Contributors
+%   [CT] Christopher Teubert (SGT, Inc.)
+%       christopher.a.teubert@nasa.gov
+%   [JW] Jason Watkins
+%       jason.w.watkins@nasa.gov
+
+import XPlaneConnect.*
+
+%% Get client
+global clients;
+if ~exist('socket', 'var')
+    assert(istrue(length(clients) < 2), '[getDREFs] ERROR: Multiple clients open. You must specify which client to use.');
+    if isempty(clients)
+       openUDP(); 
+    end
+    socket = clients(1);
+end
+
+%% Send command
+result = socket.getDREF(drefs);
+
+end