A BigDecimal object custom formatter

   


import java.math.BigDecimal;
import java.text.DecimalFormat;

import javax.swing.JFormattedTextField;
import javax.swing.text.DefaultFormatter;
import javax.swing.text.DefaultFormatterFactory;
import javax.swing.text.NumberFormatter;

public class Main {
  public static void main(String[] argv) {
    JFormattedTextField f = new JFormattedTextField(new BigDecimal("123.4567"));
    DefaultFormatter fmt = new NumberFormatter(new DecimalFormat("#.0###############"));
    fmt.setValueClass(f.getValue().getClass());
    DefaultFormatterFactory fmtFactory = new DefaultFormatterFactory(fmt, fmt, fmt);
    f.setFormatterFactory(fmtFactory);

    BigDecimal bigValue = (BigDecimal) f.getValue();

  }
}

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A BigDecimal object custom formatter : Formatted TextField « Swing JFC « Java

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