Example usage for javax.swing.text MaskFormatter getMask

Introduction

In this page you can find the example usage for javax.swing.text MaskFormatter getMask.

Prototype

public String getMask() 

Source Link

Document

Returns the formatting mask.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    MaskFormatter formatter = new MaskFormatter("###-##-####");
    JFormattedTextField tf = new JFormattedTextField(formatter);
    JPanel panel = new JPanel(new BorderLayout());
    panel.add(tf, BorderLayout.NORTH);
    JButton clickBtn = new JButton("Click me!");
    clickBtn.addActionListener(e -> {
        if (!tf.getText().matches(formatter.getMask())) {
            System.err.println("Your Input does not match the pattern!");
        } else {/*from w  ww.  j a  va 2s .co  m*/
            System.out.println(tf.getText());
        }
    });
    panel.add(clickBtn, BorderLayout.SOUTH);
    JFrame f = new JFrame();

    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(panel, BorderLayout.CENTER);
    f.setSize(800, 600);
    f.setVisible(true);
}

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