Using command line arguments in Java with JavaFX

Question

I have the following code:

public class Main extends Application { @Override public void start(Stage primaryStage) throws Exception{ Parent root = FXMLLoader.load(getClass().getResource("hive.fxml")); primaryStage.setTitle("Hive-viewer"); primaryStage.setScene(new Scene(root, 1600, 900)); primaryStage.show(); } public static void main(String[] args) { launch(args); } }

I want to know how you would use a file (given with the command line) in the Controller or in a method in the Main class

what command line are you taking about?

Raphael Roth
– Raphael Roth

2016-03-16 10:50:57 +00:00
Commented Mar 16, 2016 at 10:50 — Raphael Roth
– Raphael Roth, Commented Mar 16, 2016 at 10:50

Emil S. · Accepted Answer · 2017-07-13 06:16:15Z

Try getParameters. This should give you the command line arguments

As wished a small example (i took the main code from Raphael's answer)

Assuming the controller class is named "MyController"

public class Main extends Application { @Override public void start(Stage primaryStage) throws Exception{ FXMLLoader loader=new FXMLLoader(getClass().getResource("hive.fxml")); Parent root = loader.load(); MyController cont=load.getController(); /* This depends on your controller and you have to decide How your controller need the arguments */ cont.setParameter(getParameters()); primaryStage.setTitle("Hive-viewer"); primaryStage.setScene(new Scene(root, 1600, 900)); primaryStage.show(); } public static void main(String[] args) { launch(args); } }

It might be helpful to add some detail to this answer, with an example of how you would pass the parameter values retrieved from the method call to the controller.
@James_D Thanks for the suggestion. I hope its better now. I'm not so active on SO.

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