Example usage for org.apache.commons.validator.routines ByteValidator getInstance

Introduction

In this page you can find the example usage for org.apache.commons.validator.routines ByteValidator getInstance.

Prototype

public static ByteValidator getInstance() 

Source Link

Document

Return a singleton instance of this validator.

Usage

From source file:com.jaspersoft.studio.editor.preview.input.array.number.ByteElement.java

protected boolean isValid(String number) {
    return ByteValidator.getInstance().isValid(number, Locale.US);
}

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From source file:com.jaspersoft.studio.editor.preview.input.BigNumericInput.java

@Override
public void createInput(Composite parent, final IParameter param, final Map<String, Object> params) {
    super.createInput(parent, param, params);
    if (Number.class.isAssignableFrom(param.getValueClass())) {
        num = new Text(parent, SWT.BORDER | SWT.RIGHT);
        setMandatory(param, num);//from   w w  w . j a v  a  2 s  .  c  om

        // setError(num, "");
        // hideError(num);

        num.setToolTipText(VParameters.createToolTip(param));
        num.addFocusListener(focusListener);
        updateInput();
        num.addListener(SWT.Verify, new Listener() {

            public void handleEvent(Event e) {
                try {
                    hideError(num);
                    String number = e.text;
                    String oldText = ((Text) e.widget).getText();
                    if (e.start != e.end)
                        oldText = oldText.substring(0, e.start) + oldText.substring(e.end);
                    number = oldText.substring(0, e.start) + e.text;
                    if (oldText.length() - 1 > e.start + 1)
                        number += oldText.substring(e.start + 1);

                    if (number.equals("-")) //$NON-NLS-1$
                        number = "-0";//$NON-NLS-1$
                    if (number.equals(".")) //$NON-NLS-1$
                        number = "0.";//$NON-NLS-1$

                    if (number.isEmpty()) {
                        e.doit = true;
                        return;
                    }

                    if (param.getValueClass().equals(Long.class)) {
                        Long.parseLong(number);
                    } else if (param.getValueClass().equals(BigInteger.class)) {
                        new BigInteger(number);
                    } else if (param.getValueClass().equals(Float.class)) {
                        e.doit = FloatValidator.getInstance().isValid(number, Locale.US);
                    } else if (param.getValueClass().equals(Double.class)) {
                        e.doit = DoubleValidator.getInstance().isValid(number, Locale.US);
                    } else if (param.getValueClass().equals(Integer.class)) {
                        e.doit = IntegerValidator.getInstance().isValid(number, Locale.US);
                    } else if (param.getValueClass().equals(Short.class)) {
                        e.doit = ShortValidator.getInstance().isValid(number, Locale.US);
                    } else if (param.getValueClass().equals(Byte.class)) {
                        e.doit = ByteValidator.getInstance().isValid(number, Locale.US);
                    } else if (param.getValueClass().equals(BigDecimal.class)) {
                        e.doit = BigDecimalValidator.getInstance().isValid(number, Locale.US);
                    }
                    if (e.doit) {
                        if (min != null)
                            if (param.isStrictMin()) {
                                if (compareTo(getNumber(number), min) <= 0)
                                    setError(num, "Value can not be smaller than: " + min);
                            } else if (compareTo(getNumber(number), min) < 0) {
                                setError(num, "Value can not be smaller than: " + min);
                            }
                        if (max != null) {
                            if (param.isStrictMax()) {
                                if (compareTo(getNumber(number), max) >= 0)
                                    setError(num, "Value can not be greater than: " + max);
                            } else if (compareTo(getNumber(number), max) > 0)
                                setError(num, "Value can not be greater than: " + max);
                        }
                    }
                } catch (NumberFormatException ne) {
                    e.doit = false;
                }
            }
        });
        if (param.getMinValue() != null)
            min = getNumber(param.getMinValue());
        if (param.getMaxValue() != null)
            max = getNumber(param.getMaxValue());
        ModifyListener listener = new ModifyListener() {

            public void modifyText(ModifyEvent e) {
                try {
                    updateModel(getNumber(num.getText()));
                } catch (NumberFormatException ne) {
                }
            }
        };
        num.addModifyListener(listener);
        GridData gd = new GridData();
        gd.horizontalIndent = 8;
        gd.widthHint = 25 * getCharWidth(num) - 22;
        num.setLayoutData(gd);
        setNullable(param, num);
    }
}

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