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urlreadpost - url POST method with binary file uploading

urlreadpost - url POST method with binary file uploading

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07 Apr 2010 (Updated )

A replacement for urlread(url,'post',...) that allows POST to upload binary (file) data.

urlreadwrite(fcn,urlChar)
function [urlConnection,errorid,errormsg] = urlreadwrite(fcn,urlChar)
%URLREADWRITE A helper function for URLREAD and URLWRITE.

%   Matthew J. Simoneau, June 2005
%   Copyright 1984-2007 The MathWorks, Inc.
%   $Revision: 1.1.6.3.6.1 $ $Date: 2009/01/30 22:37:42 $

% Default output arguments.
urlConnection = [];
errorid = '';
errormsg = '';

% Determine the protocol (before the ":").
protocol = urlChar(1:min(find(urlChar==':'))-1);

% Try to use the native handler, not the ice.* classes.
switch protocol
    case 'http'
        try
            handler = sun.net.www.protocol.http.Handler;
        catch exception %#ok
            handler = [];
        end
    case 'https'
        try
            handler = sun.net.www.protocol.https.Handler;
        catch exception %#ok
            handler = [];
        end
    otherwise
        handler = [];
end

% Create the URL object.
try
    if isempty(handler)
        url = java.net.URL(urlChar);
    else
        url = java.net.URL([],urlChar,handler);
    end
catch exception %#ok
    errorid = ['MATLAB:' fcn ':InvalidUrl'];
    errormsg = 'Either this URL could not be parsed or the protocol is not supported.';
    return
end

% Get the proxy information using MathWorks facilities for unified proxy
% prefence settings.
mwtcp = com.mathworks.net.transport.MWTransportClientPropertiesFactory.create();
proxy = mwtcp.getProxy(); 


% Open a connection to the URL.
if isempty(proxy)
    urlConnection = url.openConnection;
else
    urlConnection = url.openConnection(proxy);
end

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