Check if User is using another OS switch Java Swing Titlebar

CustomTitleBar.java

  if (OSUtils.getOSType() == OSUtils.OSType.MacOS) {
            pnlTop.remove(pnlTitle);
            pnlTop.remove(pnlRight);
            
            pnlTop.add(pnlTitle, BorderLayout.EAST);
            pnlTop.add(pnlActions, BorderLayout.WEST);
            
            pnlActions.remove(lblClose);
            pnlActions.remove(lblMaximize);
            pnlActions.remove(lblMinimize);

            pnlActions.add(lblClose);
            pnlActions.add(lblMaximize);
            pnlActions.add(lblMinimize);
            
            pnlTitle.remove(lblTitle);
            pnlTitle.setLayout(new FlowLayout(FlowLayout.RIGHT, 10, 8));
            pnlTitle.add(lblTitle);      
            
        }        
           if (OSUtils.getOSType() == OSUtils.OSType.Windows) {
            pnlTop.remove(pnlTitle);
            pnlTop.remove(pnlRight);
            
            pnlTop.add(pnlTitle, BorderLayout.WEST);
            pnlTop.add(pnlActions, BorderLayout.EAST);
            
            pnlActions.remove(lblClose);
            pnlActions.remove(lblMaximize);
            pnlActions.remove(lblMinimize);

            pnlActions.add(lblMinimize);
            pnlActions.add(lblMaximize);
            pnlActions.add(lblClose);
            
            pnlTitle.remove(lblTitle);
            pnlTitle.setLayout(new FlowLayout(FlowLayout.LEFT, 10, 8));
            pnlTitle.add(lblTitle);      
            
        }
        
    // utils    
    public class OSUtils {

    public enum OSType {
        Windows, MacOS, Linux
    }
    private static OSType detectedOS;

    public static OSType getOSType() {
        if (detectedOS == null) {
            String os = System.getProperty("os.name", "generic").toLowerCase(Locale.ENGLISH);
            if ((os.contains("mac")) || os.indexOf("darwinf") >= 0) {
                detectedOS = OSType.MacOS;
            } else {
                if (os.contains("win")) {
                    detectedOS = OSType.Windows;
                } else if (os.contains("nux")) {
                    detectedOS = OSType.Linux;
                }
            }

        }
        return detectedOS;

    }
}