Example usage for java.lang Number doubleValue

Introduction

In this page you can find the example usage for java.lang Number doubleValue.

Prototype

public abstract double doubleValue();

Source Link

Document

Returns the value of the specified number as a double .

Usage

From source file:FormatterFactoryDemo.java

public FormatterFactoryDemo() {
    super(new BorderLayout());
    setUpFormats();//  w ww .  j av a  2 s  .c  o  m
    double payment = computePayment(amount, rate, numPeriods);

    // Create the labels.
    amountLabel = new JLabel(amountString);
    rateLabel = new JLabel(rateString);
    numPeriodsLabel = new JLabel(numPeriodsString);
    paymentLabel = new JLabel(paymentString);

    // Create the text fields and set them up.
    amountField = new JFormattedTextField(new DefaultFormatterFactory(new NumberFormatter(amountDisplayFormat),
            new NumberFormatter(amountDisplayFormat), new NumberFormatter(amountEditFormat)));
    amountField.setValue(new Double(amount));
    amountField.setColumns(10);
    amountField.addPropertyChangeListener("value", this);

    NumberFormatter percentEditFormatter = new NumberFormatter(percentEditFormat) {
        public String valueToString(Object o) throws ParseException {
            Number number = (Number) o;
            if (number != null) {
                double d = number.doubleValue() * 100.0;
                number = new Double(d);
            }
            return super.valueToString(number);
        }

        public Object stringToValue(String s) throws ParseException {
            Number number = (Number) super.stringToValue(s);
            if (number != null) {
                double d = number.doubleValue() / 100.0;
                number = new Double(d);
            }
            return number;
        }
    };
    rateField = new JFormattedTextField(new DefaultFormatterFactory(new NumberFormatter(percentDisplayFormat),
            new NumberFormatter(percentDisplayFormat), percentEditFormatter));
    rateField.setValue(new Double(rate));
    rateField.setColumns(10);
    rateField.addPropertyChangeListener("value", this);

    numPeriodsField = new JFormattedTextField();
    numPeriodsField.setValue(new Integer(numPeriods));
    numPeriodsField.setColumns(10);
    numPeriodsField.addPropertyChangeListener("value", this);

    paymentField = new JFormattedTextField(paymentFormat);
    paymentField.setValue(new Double(payment));
    paymentField.setColumns(10);
    paymentField.setEditable(false);
    paymentField.setForeground(Color.red);

    // Tell accessibility tools about label/textfield pairs.
    amountLabel.setLabelFor(amountField);
    rateLabel.setLabelFor(rateField);
    numPeriodsLabel.setLabelFor(numPeriodsField);
    paymentLabel.setLabelFor(paymentField);

    // Lay out the labels in a panel.
    JPanel labelPane = new JPanel(new GridLayout(0, 1));
    labelPane.add(amountLabel);
    labelPane.add(rateLabel);
    labelPane.add(numPeriodsLabel);
    labelPane.add(paymentLabel);

    // Layout the text fields in a panel.
    JPanel fieldPane = new JPanel(new GridLayout(0, 1));
    fieldPane.add(amountField);
    fieldPane.add(rateField);
    fieldPane.add(numPeriodsField);
    fieldPane.add(paymentField);

    // Put the panels in this panel, labels on left,
    // text fields on right.
    setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
    add(labelPane, BorderLayout.CENTER);
    add(fieldPane, BorderLayout.LINE_END);
}

From source file:forge.util.FileSection.java

/**
 * Gets the double./*  w  ww.  ja va  2  s. c  o m*/
 *
 * @param fieldName the field name
 * @param defaultValue the default value
 * @return the int
 */
public double getDouble(final String fieldName, final double defaultValue) {
    try {
        if (this.get(fieldName) == null) {
            return defaultValue;
        }

        NumberFormat format = NumberFormat.getInstance(Locale.US);
        Number number = format.parse(this.get(fieldName));

        return number.doubleValue();
    } catch (final NumberFormatException | ParseException ex) {
        return defaultValue;
    }
}

From source file:io.crate.execution.engine.aggregation.impl.GeometricMeanAggregation.java

@Override
public GeometricMeanState iterate(RamAccountingContext ramAccountingContext, GeometricMeanState state,
        Input... args) throws CircuitBreakingException {
    if (state != null) {
        Number value = (Number) args[0].value();
        if (value != null) {
            state.addValue(value.doubleValue());
        }//w w  w .  j av a 2 s .  c o m
    }
    return state;
}

From source file:org.jfree.data.general.WaferMapDataset.java

/**
 * Tests to see if the passed value is larger than the stored maxvalue.
 *
 * @param check  the number to check./*w  ww.  j a v a2  s.  c  om*/
 *
 * @return A boolean.
 */
public boolean isMaxValue(Number check) {
    if (check.doubleValue() > this.maxValue.doubleValue()) {
        return true;
    }
    return false;
}

From source file:org.jfree.data.general.WaferMapDataset.java

/**
 * Tests to see if the passed value is smaller than the stored minvalue.
 *
 * @param check  the number to check.//  w  ww  .  jav a2s . c om
 *
 * @return A boolean.
 */
public boolean isMinValue(Number check) {
    if (check.doubleValue() < this.minValue.doubleValue()) {
        return true;
    }
    return false;
}

From source file:com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedScatterRenderer.java

/**
 * This function is taken directly from JFreeChart with adjustments to draw differently colored
 * items.// ww  w  .  j a  v  a  2 s  .c  o m
 * 
 * When updating JFreeChart this function must probably be adapted.
 * 
 */
@Override
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot,
        CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {

    // do nothing if item is not visible
    if (!getItemVisible(row, column)) {
        return;
    }
    int visibleRow = state.getVisibleSeriesIndex(row);
    if (visibleRow < 0) {
        return;
    }
    int visibleRowCount = state.getVisibleSeriesCount();

    PlotOrientation orientation = plot.getOrientation();

    ValueSourceToMultiValueCategoryDatasetAdapter dataSet = (ValueSourceToMultiValueCategoryDatasetAdapter) dataset;
    List values = dataSet.getValues(row, column);
    if (values == null) {
        return;
    }
    int valueCount = values.size();
    for (int i = 0; i < valueCount; i++) {
        // current data point...
        double x1;
        if (getUseSeriesOffset()) {
            x1 = domainAxis.getCategorySeriesMiddle(column, dataset.getColumnCount(), visibleRow,
                    visibleRowCount, getItemMargin(), dataArea, plot.getDomainAxisEdge());
        } else {
            x1 = domainAxis.getCategoryMiddle(column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
        }
        Number n = (Number) values.get(i);
        int idx = dataSet.getValueIndex(row, column, i);
        double value = n.doubleValue();
        double y1 = rangeAxis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());

        Shape shape = getItemShape(row, idx);
        if (orientation == PlotOrientation.HORIZONTAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, y1, x1);
        } else if (orientation == PlotOrientation.VERTICAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, x1, y1);
        }
        if (getItemShapeFilled(row, column)) {
            if (getUseFillPaint()) {
                g2.setPaint(getItemFillPaint(row, column));
            } else {
                g2.setPaint(getItemPaint(row, idx));
            }
            g2.fill(shape);
        }
        if (getDrawOutlines()) {
            if (getUseOutlinePaint()) {
                g2.setPaint(getItemOutlinePaint(row, column));
            } else {
                g2.setPaint(getItemPaint(row, idx));
            }
            g2.setStroke(getItemOutlineStroke(row, column));
            g2.draw(shape);
        }
    }
}

From source file:NumberRange.java

/**
 * <p>Tests whether the specified <code>number</code> occurs within
 * this range using <code>double</code> comparison.</p>
 *
 * @param number the number to test/* ww  w.ja v  a 2  s.  co m*/
 * @return <code>true</code> if the specified number occurs within this
 *  range; otherwise, <code>false</code>
 */
public boolean includesNumber(Number number) {
    if (number == null) {
        return false;
    } else {
        return !(min.doubleValue() > number.doubleValue()) && !(max.doubleValue() < number.doubleValue());
    }
}

From source file:au.org.ala.delta.translation.dist.DistItemsFileWriter.java

private double average(List<? extends Number> values) {
    int count = 0;
    double sum = 0;
    for (Number value : values) {
        count++;/*  w w w  . j a  v a  2 s . c  o m*/
        sum += value.doubleValue();
    }
    double average = sum / (double) count;
    return average;
}

From source file:de.codesourcery.flocking.ui.NumberInputField.java

private Double limitDouble(Number n) {
    final double value = n == null ? 0 : n.doubleValue();
    if (value < minValue) {
        return minValue;
    }/*from   ww w .  j  av  a 2s .  com*/
    if (value > maxValue) {
        return maxValue;
    }
    return value;
}

From source file:javadz.beanutils.locale.converters.DoubleLocaleConverter.java

/**
 * Convert the specified locale-sensitive input object into an output object of the
 * specified type. This method will return Double type.
 *
 * @param value The input object to be converted
 * @param pattern The pattern is used for the convertion
 * @return The converted value//w ww.ja va2 s.  com
 *
 * @throws org.apache.commons.beanutils.ConversionException if conversion cannot be performed
 *  successfully
 * @throws ParseException if an error occurs parsing a String to a Number
 */
protected Object parse(Object value, String pattern) throws ParseException {
    Number result = (Number) super.parse(value, pattern);
    if (result instanceof Long) {
        return new Double(result.doubleValue());
    } else {
        return (result);
    }
}