get_remote_file_titanium_mobile.js

function get_remote_file(filename, url, fn_end, fn_progress ) {


   Ti.API.info("[filename]" + filename);
   Ti.API.info("[url]" + url);

    var file_obj = {file:filename, url:url, path: null};
 
    var file = Titanium.Filesystem.getFile(Titanium.Filesystem.applicationDataDirectory,filename);
    if ( !file.exists() ) {
        file_obj.path = Titanium.Filesystem.applicationDataDirectory+Titanium.Filesystem.separator;
        //fn_end(file_obj);
        Ti.API.info("arquivo existe");
        var f = Titanium.Filesystem.getFile(Titanium.Filesystem.applicationDataDirectory,filename);
        f.write(this.responseData);
        var fcontent = f.read();
        Ti.API.info('[CONTENT] = ' + fcontent.text);
    }
    else {
 
        if ( Titanium.Network.online ) {
            var c = Titanium.Network.createHTTPClient();
 
            c.setTimeout(10000);
            c.onload = function()
            {
 
                if (c.status == 200 ) {

		   Ti.API.info("Ok");

                    var f = Titanium.Filesystem.getFile(Titanium.Filesystem.applicationDataDirectory,filename);
                    
                    f.write(this.responseData);
                    var fcontent = f.read();
                    Ti.API.info('[CONTENT] = ' + fcontent.text);
                    file_obj.path = Titanium.Filesystem.applicationDataDirectory + Titanium.Filesystem.separator;
                    
                    
                }
 
                else {
                    file_obj.error = 'file not found'; // to set some errors codes
		    Ti.API.info("error");
                    
                }
               // fn_end(file_obj);
 
            };
            c.ondatastream = function(e)
            {
 
                if ( fn_progress ) fn_progress(e.progress);
            };
            c.error = function(e)
            {
 
                file_obj.error = e.error;
               // fn_end(file_obj);
            };
            c.open('GET',url);
            c.send();           
        }
        else {
            file_obj.error = 'no internet';
            //fn_end(file_obj);
        }
 
 
    }
};

//usage: 
//get_remote_file("filename.txt", "http://yoururl.com/filename.txt", callback_to_end(), callback_to_progress())