Example usage for java.lang Number floatValue

Introduction

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

Prototype

public abstract float floatValue();

Source Link

Document

Returns the value of the specified number as a float .

Usage

From source file:com.mobicage.rogerthat.plugins.messaging.widgets.SingleSliderWidget.java

@Override
public FloatWidgetResultTO getWidgetResult() {
    FloatWidgetResultTO r = new FloatWidgetResultTO();
    Number value = (Number) mWidgetMap.get("value");
    r.value = value.floatValue();
    return r;// w w  w  .  j  av a2s  . c o m
}

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From source file:com.glaf.core.util.GetterUtils.java

public static float get(Object value, float defaultValue) {
    if (value == null) {
        return defaultValue;
    }//  w  ww.ja  v a2  s . co m

    if (value instanceof String) {
        return get((String) value, defaultValue);
    }

    Class<?> clazz = value.getClass();

    if (Float.class.isAssignableFrom(clazz)) {
        return (Float) value;
    }

    if (value instanceof Number) {
        Number number = (Number) value;

        return number.floatValue();
    }

    return defaultValue;
}

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From source file:com.haulmont.cuba.gui.backgroundwork.BackgroundWorkProgressWindow.java

protected void showProgress(Number processedValue) {
    float value = processedValue.floatValue() / totalProgress.floatValue();

    taskProgressBar.setValue(value);// w w w  .  j  ava2s . com

    if (!percentProgress) {
        progressText.setValue(
                formatMessage("backgroundWorkProgress.progressTextFormat", processedValue, totalProgress));
    } else {
        int percentValue = (int) Math.ceil(value * 100);
        progressText.setValue(formatMessage("backgroundWorkProgress.progressPercentFormat", percentValue));
    }
}

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From source file:org.webguitoolkit.ui.controls.util.conversion.SelectFloatConverter.java

/**
 * does the actualyy pparsing into the target type, you ca
 * override this method to parse into other type.
 * Note this is neccessary because of a bug in BeanUtils, which will be solved with
 * version 1.8.0 when it is released./*from w ww  .  j  a v  a2s  .c  o m*/
 * @param textRep
 * @return
 * @throws ParseException
 */
protected Object parse2Type(String textRep) throws ParseException {
    Number num = formatter.parse(textRep);
    if (num instanceof Float)
        return num;

    return new Float(num.floatValue());
}

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From source file:org.caleydo.core.view.opengl.layout2.manage.GLElementFactoryContext.java

public float getFloat(String key, float default_) {
    Number r = get(key, Number.class, default_);
    return r == null ? default_ : r.floatValue();
}

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From source file:de.tuberlin.uebb.jbop.optimizer.utils.NodeHelper.java

private static AbstractInsnNode getFloatInsnNode(final Number newNumber) {
    if (newNumber.longValue() == 0) {
        return new InsnNode(Opcodes.FCONST_0);
    } else if (newNumber.floatValue() == 1) {
        return new InsnNode(Opcodes.FCONST_1);
    } else if (newNumber.floatValue() == 2) {
        return new InsnNode(Opcodes.FCONST_2);
    } else {/*from   w ww.j av  a2  s.c  om*/
        return new LdcInsnNode(newNumber);
    }
}

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From source file:org.batoo.common.reflect.ReflectHelper.java

/**
 * Converts the number into number Type//w  w  w.  java  2 s.  c  o  m
 * 
 * @param value
 *            the number value
 * @param numberType
 *            the number type
 * @return the converted number value
 * 
 * @since 2.0.1
 */
public static Number convertNumber(Number value, Class<?> numberType) {
    if (value == null) {
        return null;
    }

    if (numberType.isAssignableFrom(value.getClass())) {
        return value;
    }

    if ((numberType == Integer.class) || (numberType == Integer.TYPE)) {
        return value.intValue();
    }

    if ((numberType == Long.class) || (numberType == Long.TYPE)) {
        return value.longValue();
    }

    if ((numberType == Short.class) || (numberType == Short.TYPE)) {
        return value.shortValue();
    }

    if ((numberType == Byte.class) || (numberType == Byte.TYPE)) {
        return value.byteValue();
    }

    if ((numberType == Float.class) || (numberType == Float.TYPE)) {
        return value.floatValue();
    }

    if ((numberType == Double.class) || (numberType == Double.TYPE)) {
        return value.doubleValue();
    }

    if (numberType == BigDecimal.class) {
        return BigDecimal.valueOf(value.doubleValue());
    }

    if (numberType == BigInteger.class) {
        return BigInteger.valueOf(value.longValue());
    }

    throw new IllegalArgumentException(numberType + " not supported");
}

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From source file:org.amanzi.awe.statistics.ui.table.StatisticsLabelProvider.java

@Override
public String getColumnText(final Object element, int columnIndex) {
    if (columnIndex == 0) {
        return StringUtils.EMPTY;
    } else {//from  w w  w . j av a 2s.co  m
        columnIndex--;
    }

    if (element instanceof IStatisticsRow) {
        final IStatisticsRow statisticsRow = (IStatisticsRow) element;

        if (!statisticsRow.equals(previousRow)) {
            initializeCellList(statisticsRow);

            previousRow = statisticsRow;
        }

        switch (columnIndex) {
        case 0:
            return statisticsRow.getStatisticsGroup().getPropertyValue();
        case 1:
            return getStatisticsRowName(statisticsRow);
        default:
            final Number value = cellList.get(columnIndex - 2).getValue();
            if (value != null) {
                final float floatValue = value.floatValue();
                final BigDecimal bd = new BigDecimal(floatValue).setScale(DECIMAL_SIZE, RoundingMode.HALF_EVEN);
                return bd.toString();
            }
        }
    }

    return StringUtils.EMPTY;
}

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From source file:NumberUtils.java

/**
 * Convert the given number into an instance of the given target class.
 *
 * @param number      the number to convert
 * @param targetClass the target class to convert to
 * @return the converted number//from ww w  .  ja v a  2 s . c o  m
 * @throws IllegalArgumentException if the target class is not supported
 *                                  (i.e. not a standard Number subclass as included in the JDK)
 * @see java.lang.Byte
 * @see java.lang.Short
 * @see java.lang.Integer
 * @see java.lang.Long
 * @see java.math.BigInteger
 * @see java.lang.Float
 * @see java.lang.Double
 * @see java.math.BigDecimal
 */
public static Number convertNumberToTargetClass(Number number, Class targetClass)
        throws IllegalArgumentException {

    if (targetClass.isInstance(number)) {
        return number;
    } else if (targetClass.equals(Byte.class)) {
        long value = number.longValue();
        if (value < Byte.MIN_VALUE || value > Byte.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return number.byteValue();
    } else if (targetClass.equals(Short.class)) {
        long value = number.longValue();
        if (value < Short.MIN_VALUE || value > Short.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return number.shortValue();
    } else if (targetClass.equals(Integer.class)) {
        long value = number.longValue();
        if (value < Integer.MIN_VALUE || value > Integer.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return number.intValue();
    } else if (targetClass.equals(Long.class)) {
        return number.longValue();
    } else if (targetClass.equals(Float.class)) {
        return number.floatValue();
    } else if (targetClass.equals(Double.class)) {
        return number.doubleValue();
    } else if (targetClass.equals(BigInteger.class)) {
        return BigInteger.valueOf(number.longValue());
    } else if (targetClass.equals(BigDecimal.class)) {
        // using BigDecimal(String) here, to avoid unpredictability of BigDecimal(double)
        // (see BigDecimal javadoc for details)
        return new BigDecimal(number.toString());
    } else {
        throw new IllegalArgumentException("Could not convert number [" + number + "] of type ["
                + number.getClass().getName() + "] to unknown target class [" + targetClass.getName() + "]");
    }
}

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From source file:net.myrrix.common.collection.FastByIDFloatMapTest.java

@Test
public void testVersusHashMap() {
    FastByIDFloatMap actual = new FastByIDFloatMap();
    Map<Long, Float> expected = Maps.newHashMapWithExpectedSize(1000000);
    RandomGenerator r = RandomManager.getRandom();
    for (int i = 0; i < 1000000; i++) {
        double d = r.nextDouble();
        Long key = (long) r.nextInt(100);
        if (d < 0.4) {
            Number expectedValue = expected.get(key);
            float actualValue = actual.get(key);
            if (expectedValue == null) {
                assertNaN(actualValue);/*from w  w w .ja  va2 s  .co  m*/
            } else {
                assertEquals(expectedValue.floatValue(), actualValue);
            }
        } else {
            if (d < 0.7) {
                expected.put(key, 3.0f);
                actual.put(key, 3.0f);
            } else {
                expected.remove(key);
                actual.remove(key);
            }
            assertEquals(expected.size(), actual.size());
            assertEquals(expected.isEmpty(), actual.isEmpty());
        }
    }
}

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