Skipping empty lines

streamFileCommands

void streamFileCommands() {
        boolean skip;
        
        // Keep sending commands until the last command is sent, or the
        // character buffer is full.
        while ((this.commandBuffer.currentCommand().isSent() == false) &&
                CommUtils.checkRoomInBuffer(this.activeCommandList, this.commandBuffer.currentCommand())) {

            skip = false;
            GcodeCommand command = this.commandBuffer.currentCommand();

            // Allow a command preprocessor listener to preprocess the command.
            if (this.commandPreprocessorListener != null) {
                String processed = this.commandPreprocessorListener.preprocessCommand(command.getCommandString());
                command.setCommand(processed);
                
                if (processed.trim().equals("")) {
                    skip = true;
                }
            }
            
            // Don't send skipped commands.
            if (!skip) {
                command.setSent(true);

                this.activeCommandList.add(command);
            
                // Commands parsed by the buffer list have embedded newlines.
                this.sendStringToComm(command.getCommandString());
            }
            
            if (this.commandSentListener != null) {
                this.commandCompleteListener.commandSent(command);
            }
            
            // If the command was skipped let the listeners know.
            if (skip) {
                this.sendMessageToConsoleListener("Skipping command #"
                        + command.getCommandNumber());
                command.setResponse("<skipped by application>");
                if (this.commandCompleteListener != null) {
                    this.commandCompleteListener.commandComplete(command);
                }
            }

            // Load the next command.
            if (this.commandBuffer.hasNext()) {
                this.commandBuffer.nextCommand();
            }
        }

        // If the final response is done... wrap up.
        if (this.commandBuffer.getFinalCommand().isDone()) {
            this.finishStreamFileToComm();
        }            
    }