Simple File Transfer tool based on socket and JavaFX _java

This example introduces a simple File transfer tool based on sockets and JavaFX, which is shared for everyone to refer to, as follows

Package application;
 
Import Java.io.File;
Import Org.james.component.ButtonBox;
Import Org.james.component.FileReceiverGrid;
Import Org.james.component.FileSenderGrid;
Import javafx.application.Application;
Import javafx.event.ActionEvent;
Import Javafx.event.EventHandler;
Import Javafx.scene.Scene;
Import Javafx.scene.layout.BorderPane;
Import Javafx.stage.FileChooser;
 
 
Import Javafx.stage.Stage;
   
  public class Main extends application {public static Stage primarystage;
      @Override public void Start (Stage primarystage) {try {this.primarystage = primarystage;
      Primarystage.setfullscreen (FALSE);
       
      Primarystage.setresizable (FALSE);
      Filereceivergrid Filereceivergrid = new Filereceivergrid ();
      Filereceivergrid.initialize ();
      Filesendergrid Filesendergrid = new Filesendergrid ();
       
      Filesendergrid.initialize ();
      Buttonbox Buttonbox = new Buttonbox ();
       
      Buttonbox.initialize (); Borderpane root = New Borderpane ();
      Root.settop (Filereceivergrid);
       
      Root.setbottom (Buttonbox); Buttonbox.getreceivefilefunc (). Setonaction (New eventhandler<actionevent> () {@Override public void H
          Andle (ActionEvent event) {Buttonbox.getreceivefilefunc (). Setdisable (True);
          Buttonbox.getsendfilefunc (). Setdisable (false);
        Root.settop (Filereceivergrid);
       
      }
      }); Buttonbox.getsendfilefunc (). Setonaction (New eventhandler<actionevent> () {@Override public void hand
          Le (ActionEvent event) {Buttonbox.getreceivefilefunc (). Setdisable (false);
          Buttonbox.getsendfilefunc (). Setdisable (True);
        Root.settop (Filesendergrid);
       
      } 
      }); FILESENDERGRID.GETSELECTFILEBTN (). Setonaction (New eventhandler<actionevent> () {@Override public voi
          D Handle (ActionEvent event) {Filechooser Filechooser = new Filechooser (); FileChooser.settitle ("Open file");
          File selectedfile = Filechooser.showopendialog (primarystage);
            if (selectedfile!= null) {filesendergrid.setfile (selectedfile);
          Filesendergrid.getfilenamelabel (). SetText (Selectedfile.getpath ());
       
      }
        } 
      });
      Scene Scene = new Scene (root,800,400);
      Scene.getstylesheets (). Add (GetClass (). GetResource ("Application.css"). Toexternalform ());
      Primarystage.setscene (Scene);
    Primarystage.show ();
    catch (Exception e) {e.printstacktrace ();
  } public static void Main (string[] args) {launch (args); }
}

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