Pou's IT Life

private function onControlHandler(event:ProgressEvent):void

{

    var evt:ftpEvents=null;

    if (controlSocket.bytesAvailable!=-1)

    {

        var result:String=controlSocket.readUTFBytes(controlSocket.bytesAvailable);

        result=result.replace(String.fromCharCode(13,10),"");

        var response:String=result.substring(0,3);

        switch (response)

        {

            case "220": //Service ready for new user.

                SendFTPCmd("USER "+this.userid+"\n");

                break;

            case "331": //User name okay, need password.

                SendFTPCmd("PASS "+this.password+"\n");

                break;

            case "230": //User logged in, proceed. Logged out if appropriate.

                SendFTPCmd("CWD "+this.filePath+"\n");

                break; 

            case "250": //Requested file action okay, completed.

                SendFTPCmd("SIZE "+this.fileName+"\n");

                break;

            case "213": //File status. get file size

                bytesTotal=int(result.substring(4,result.length));

                SendFTPCmd("TYPE I\n");

                break;

            case "200": //Command okay.

                SendFTPCmd("PASV\n");

                break;

            case "227": //Entering Passive Mode (h1,h2,h3,h4,p1,p2).

                descomposeDataConnection(result.substring(4,result.length));

                tempFile=File.documentsDirectory.resolvePath(this.tempPath+this.fileName);

                fileStream=new FileStream();

                fileStream.open(this.tempFile, FileMode.WRITE);

                SendFTPCmd("RETR "+this.fileName+"\n");

                break;

            case "226": //Closing data connection. Requested file action successful (for example, file transfer or file abort).

                fileStream.close();

                closeSockets();

                evt=new ftpEvents(ftpEvents.DOWNLOAD);

                dispatchEvent(evt);

                break;

            case "150": //File status okay; about to open data connection.

                break;    

            case "426": //Connection closed; transfer aborted.

                rollback();

                evt=new ftpEvents(ftpEvents.ROLLBACK);

                dispatchEvent(evt);

                break;

            case "500": //Syntax error, command unrecognized. This may include errors such as command line too long.

                rollback();

                evt=new ftpEvents(ftpEvents.ROLLBACK);

                dispatchEvent(evt);

                break;

        }

    }

}