function jncid = snc_opendap_open(ncfile)
% SNC_OPENDAP_OPEN Open a connection to an OPeNDAP URL.  If the URL is
% password-protected, we will have to coerce oct_netcdf-java to supply the
% credentials.

import ucar.nc2.dods.*  

% Is it a username/password protected URL?
pat = '(?<protocol>https{0,1})://(?<username>[^:]+):(?<password>[^@]+)@(?<host>[^/]+)(?<relpath>.*)';
parts = regexp(ncfile,pat,'names');
if numel(parts) == 0
    jncid = DODSNetcdfFile(ncfile);
else
    
    % SncCreds is a custom java class supplied with SNCTOOLS.
    credentials = SncCreds(parts.username,parts.password);
    client = ucar.nc2.util.net.HttpClientManager.init(credentials,'snctools');
    opendap.dap.DConnect2.setHttpClient(client);
    ucar.unidata.io.http.HTTPRandomAccessFile.setHttpClient(client);
    ucar.nc2.dataset.NetcdfDataset.setHttpClient(client);
    
    jncid = DODSNetcdfFile(ncfile);
end
