Examples of javax.swing.text.NumberFormatter

javax.swing.text.NumberFormatter
NumberFormatter subclasses InternationalFormatter adding special behavior for numbers. Among the specializations are (these are only used if the NumberFormatter does not display invalid numbers, for example, setAllowsInvalid(false)):
- Pressing +/- (- is determined from the DecimalFormatSymbols associated with the DecimalFormat) in any field but the exponent field will attempt to change the sign of the number to positive/negative.
- Pressing +/- (- is determined from the DecimalFormatSymbols associated with the DecimalFormat) in the exponent field will attempt to change the sign of the exponent to positive/negative.
If you are displaying scientific numbers, you may wish to turn on overwrite mode, setOverwriteMode(true). For example:
```
 DecimalFormat decimalFormat = new DecimalFormat("0.000E0"); NumberFormatter textFormatter = new NumberFormatter(decimalFormat); textFormatter.setOverwriteMode(true); textFormatter.setAllowsInvalid(false); 
```
If you are going to allow the user to enter decimal values, you should either force the DecimalFormat to contain at least one decimal (#.0###), or allow the value to be invalid setAllowsInvalid(true). Otherwise users may not be able to input decimal values.
NumberFormatter provides slightly different behavior to stringToValue than that of its superclass. If you have specified a Class for values, {@link #setValueClass}, that is one of of Integer, Long, Float, Double, Byte or Short and the Format's parseObject returns an instance of Number, the corresponding instance of the value class will be created using the constructor appropriate for the primitive type the value class represents. For example: setValueClass(Integer.class) will cause the resulting value to be created via new Integer(((Number)formatter.parseObject(string)).intValue()). This is typically useful if you wish to set a min/max value as the various Number implementations are generally not comparable to each other. This is also useful if for some reason you need a specific Number implementation for your values.
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans package. Please see {@link java.beans.XMLEncoder}. @since 1.4

     * @param boleto
     * 
     */
    public InputStream transform(Boleto... boletos) {


        NumberFormatter formatter = new NumberFormatter(new DecimalFormat(
                "#,##0.00"));


        // gera template com o fundo do boleto
        URL imagemTitulo = BoletoTransformer.class
                .getResource("/br/com/caelum/stella/boleto/img/template.png");


        boolean firstPage = true;
        for (Boleto boleto : boletos) {
            if (!firstPage) {
                this.writer.newPage();
            }
            try {
                this.writer.writeImage(0, 55, imageFor(imagemTitulo), 514.22f,
                        385.109f);
                this.writer.writeImage(0, 805 - 486, imageFor(boleto.getBanco()
                        .getImage()), 100, 23);
            } catch (IOException e) {
                throw new GeracaoBoletoException(
                        "Erro na leitura das imagens do boleto", e);
            }


            for (int i = 0; i < boleto.getDescricoes().size(); i++) {
                this.writer.writeBold(5, 805 - 70 - i * 15, boleto
                        .getDescricoes().get(i));
            }


            this.writer.write(50, LINHA1, boleto.getEmissor().getCedente());


            this.writer.write(5, LINHA2, boleto.getSacado().getNome());


            this.writer.write(230, LINHA2, formatDate(boleto.getDatas()
                    .getVencimento()));


            try {
                this.writer.write(400, LINHA2, formatter.valueToString(boleto
                        .getValorBoleto().doubleValue()));
            } catch (NumberFormatException e) {
                throw new CriacaoBoletoException(
                        "Erro na formatação do valor do boleto", e);
            } catch (ParseException e) {
                throw new CriacaoBoletoException(
                        "Erro na formatação do valor do boleto", e);
            }


            this.writer.write(5, LINHA3, boleto.getEmissor()
                    .getAgenciaFormatado()
                    + "-"
                    + boleto.getEmissor().getDvAgencia()
                    + " / "
                    + boleto.getBanco().getContaCorrenteDoEmissorFormatado(
                            boleto.getEmissor())
                    + "-"
                    + boleto.getEmissor().getDvContaCorrente());


            this.writer.write(146, LINHA3, boleto.getBanco()
                    .getNossoNumeroDoEmissorFormatado(boleto.getEmissor()));


            this.writer.writeBold(125, LINHA4, boleto.getBanco()
                    .getNumeroFormatado());


            LinhaDigitavelGenerator linhaDigitavelGenerator = new LinhaDigitavelGenerator();
            this.writer.writeBold(175, LINHA4, linhaDigitavelGenerator
                    .geraLinhaDigitavelPara(boleto));


            for (int i = 0; i < boleto.getLocaisDePagamento().size(); i++) {
                this.writer.write(5, LINHA5 - (i - 1) * 10, boleto
                        .getLocaisDePagamento().get(i));
            }


            this.writer.write(425, LINHA5, formatDate(boleto.getDatas()
                    .getVencimento()));


            this.writer.write(5, LINHA6, boleto.getEmissor().getCedente());


            this.writer.write(420, LINHA6, boleto.getEmissor()
                    .getAgenciaFormatado()
                    + " - "
                    + boleto.getEmissor().getDvAgencia()
                    + " / "
                    + boleto.getBanco().getContaCorrenteDoEmissorFormatado(
                            boleto.getEmissor())
                    + "-"
                    + boleto.getEmissor().getDvContaCorrente());


            this.writer.write(5, LINHA7, formatDate(boleto.getDatas()
                    .getDocumento()));


            this.writer.write(70, LINHA7,
                    !boleto.getNoDocumento().equals("") ? boleto
                            .getNoDocumentoFormatado() : boleto.getBanco()
                            .getNossoNumeroDoEmissorFormatado(
                                    boleto.getEmissor()));


            this.writer.write(180, LINHA7, boleto.getEspecieDocumento());


            this.writer.write(250, LINHA7, boleto.getAceite() ? "S" : "N");


            this.writer.write(300, LINHA7, formatDate(boleto.getDatas()
                    .getProcessamento()));


            this.writer.write(410, LINHA7, boleto.getEmissor().getCarteira()
                    + " / "
                    + boleto.getBanco().getNossoNumeroDoEmissorFormatado(
                            boleto.getEmissor()));


            this.writer.write(122, LINHA8, boleto.getBanco()
                    .getCarteiraDoEmissorFormatado(boleto.getEmissor()));


            this.writer.write(190, LINHA8, boleto.getEspecieMoeda());


            try {
                this.writer.write(430, LINHA8, formatter.valueToString(boleto
                        .getValorBoleto().doubleValue()));
            } catch (NumberFormatException e) {
                throw new CriacaoBoletoException(
                        "Erro na formatação do valor do boleto", e);
            } catch (ParseException e) {

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      distPanel.setBorder(title);
      distPanel.add(distBox);


      java.text.NumberFormat numberFormat = java.text.NumberFormat
            .getIntegerInstance();
      formatter = new NumberFormatter(numberFormat);
      formatter.setMinimum(new Integer(1));
      formatter.setMaximum(new Integer(MAX_RECT));


      textField = new JFormattedTextField(formatter);
      textField.setValue(new Integer(MAX_RECT / 2));

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    {
      DefaultFormatterFactory factory;
      if (child instanceof DateFormat)
        factory = new DefaultFormatterFactory(new DateFormatter((DateFormat)child));
      else if (child instanceof NumberFormat)
        factory = new DefaultFormatterFactory(new NumberFormatter((NumberFormat)child));
      else
        factory = new DefaultFormatterFactory(new InternationalFormatter((Format)child));
      ((JFormattedTextField)parent).setFormatterFactory (factory);
    }
    else if (child instanceof JFormattedTextField.AbstractFormatter)

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            throw new IllegalArgumentException(
                      "model not a SpinnerBigNumberModel");
        }


        SpinnerBigDecimalModel model = (SpinnerBigDecimalModel)spinner.getModel();
        NumberFormatter formatter = new NumberEditorFormatter(model, format);
        DefaultFormatterFactory factory = new DefaultFormatterFactory(formatter);
        JFormattedTextField ftf = getTextField();
        ftf.setEditable(true);
        ftf.setFormatterFactory(factory);
        ftf.setHorizontalAlignment(JTextField.RIGHT);


        /* TBD - initializing the column width of the text field
         * is imprecise and doing it here is tricky because
         * the developer may configure the formatter later.
         */
        try {
            String maxString = formatter.valueToString(model.getMinimum());
            String minString = formatter.valueToString(model.getMaximum());
            ftf.setColumns(Math.max(maxString.length(), minString.length()));
        }
        catch (ParseException e) {
            // TBD should throw a chained error here
        }

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      c.weightx = 0.0;
      serverSelectPanel.add(label, c);


      NumberFormat nf = NumberFormat.getIntegerInstance();
      nf.setGroupingUsed(false);
      serverPortField = new JFormattedTextField(new NumberFormatter(nf));
      serverPortField.setColumns(5);
      serverPortField.setText(String.valueOf(SERVER_DEFAULT_PORT));
      c.gridx++;
      serverSelectPanel.add(serverPortField, c);

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      c.anchor = GridBagConstraints.EAST;
      socketPanel.add(label, c);
      
      NumberFormat nf = NumberFormat.getIntegerInstance();
      nf.setGroupingUsed(false);
      listenPortField = new JFormattedTextField(new NumberFormatter(nf));
      listenPortField.setColumns(5);
      listenPortField.setText(String.valueOf(SERVER_DEFAULT_PORT));
      c.gridx++;
      c.weightx = 0.0;
      socketPanel.add(listenPortField, c);

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