Example usage for java.lang Number longValue

Introduction

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

Prototype

public abstract long longValue();

Source Link

Document

Returns the value of the specified number as a long .

Usage

From source file:name.martingeisse.phunky.runtime.variable.TypeConversionUtil.java

/**
 * Converts the specified value to an integer value.
 * @param value the original value//  w  w w. j  a  v a2s .c o  m
 * @return the converted value
 */
public static long convertToInteger(Object value) {
    if (value == null) {
        return 0;
    }
    if (value instanceof Number) {
        Number v = (Number) value;
        return v.longValue();
    }
    if (value instanceof String) {
        String v = (String) value;
        if (v.isEmpty()) {
            return 0;
        }
        // TODO parse int *prefix* of the string
        try {
            return Long.parseLong(v);
        } catch (NumberFormatException e) {
            return 1;
        }
    }
    if (value instanceof Boolean) {
        Boolean v = (Boolean) value;
        return (v ? 1 : 0);
    }
    if (value instanceof PhpValueArray) {
        PhpValueArray v = (PhpValueArray) value;
        return (v.isEmpty() ? 0 : 1);
    }
    return 1;
}

From source file:org.openestate.io.idx.IdxFormat.java

public static Long parseLong(String value) throws NumberFormatException {
    Number number = parseNumber(value, false);
    return (number != null) ? number.longValue() : null;
}

From source file:org.apache.accumulo.examples.wikisearch.function.QueryFunctions.java

public static Number abs(String fieldValue) {
    Number retval = null;/*ww  w . j  a  v  a  2 s  .c  o  m*/
    try {
        Number value = NumberUtils.createNumber(fieldValue);
        if (null == value)
            retval = (Number) Integer.MIN_VALUE;
        else if (value instanceof Long)
            retval = Math.abs(value.longValue());
        else if (value instanceof Double)
            retval = Math.abs(value.doubleValue());
        else if (value instanceof Float)
            retval = Math.abs(value.floatValue());
        else if (value instanceof Integer)
            retval = Math.abs(value.intValue());
    } catch (NumberFormatException nfe) {
        return (Number) Integer.MIN_VALUE;
    }
    return retval;
}

From source file:com.sunchenbin.store.feilong.core.util.RandomUtil.java

/**
 * 0-?./*from ww  w  .  j  a v a2s.com*/
 * 
 * <p>
 * ??{@link #JVM_RANDOM}
 * </p>
 * 
 * @param number
 *            ?
 * @return 0-?
 * @see java.lang.Math#random()
 */
public static long createRandom(Number number) {
    double random = JVM_RANDOM.nextDouble();
    return (long) Math.floor(random * number.longValue());
}

From source file:org.candlepin.common.config.PropertyConverter.java

public static Long toLong(Object value) throws ConversionException {
    Number n = toNumber(value, Long.class);
    if (n instanceof Long) {
        return (Long) n;
    } else {/*w w w. j  av  a 2s  .  co  m*/
        return new Long(n.longValue());
    }
}

From source file:Main.java

private static boolean compareScalarValues(Object myValue, Object otherValue) {
    if (myValue == null && otherValue != null || myValue != null && otherValue == null)
        return false;

    if (myValue == null)
        return true;

    if (myValue.getClass().isArray() && !otherValue.getClass().isArray()
            || !myValue.getClass().isArray() && otherValue.getClass().isArray())
        return false;

    if (myValue.getClass().isArray() && otherValue.getClass().isArray()) {
        final int myArraySize = Array.getLength(myValue);
        final int otherArraySize = Array.getLength(otherValue);

        if (myArraySize != otherArraySize)
            return false;

        for (int i = 0; i < myArraySize; i++)
            if (!Array.get(myValue, i).equals(Array.get(otherValue, i)))
                return false;

        return true;
    }/* w ww . j  a v a2  s .c  om*/

    if (myValue instanceof Number && otherValue instanceof Number) {
        final Number myNumberValue = (Number) myValue;
        final Number otherNumberValue = (Number) otherValue;

        if (isInteger(myNumberValue) && isInteger(otherNumberValue))
            return myNumberValue.longValue() == otherNumberValue.longValue();
        else if (isFloat(myNumberValue) && isFloat(otherNumberValue))
            return myNumberValue.doubleValue() == otherNumberValue.doubleValue();
    }

    return myValue.equals(otherValue);
}

From source file:com.p5solutions.core.utils.NumberUtils.java

/**
 * Long value. Also checks for null/*from   w  w  w  .j av  a2 s .  c o m*/
 * 
 * @param number
 *          the number
 * @return the long, returns null if param number is null
 */
public static Long longValue(Number number) {
    if (number != null) {
        return number.longValue();
    }
    return null;
}

From source file:org.candlepin.common.config.PropertyConverter.java

public static BigInteger toBigInteger(Object value) throws ConversionException {
    Number n = toNumber(value, BigInteger.class);
    if (n instanceof BigInteger) {
        return (BigInteger) n;
    } else {//from  ww w . j  a  v  a2  s.  c om
        return BigInteger.valueOf(n.longValue());
    }
}

From source file:com.feilong.commons.core.util.RandomUtil.java

/**
 * 0-?.<br>/*  w w  w.j a va 2 s  .  c  om*/
 * <b>??{@link #JVM_RANDOM}</b>
 * 
 * @param number
 *            ?
 * @return 0-?
 */
public static long createRandom(Number number) {
    // double random = Math.random();
    double random = JVM_RANDOM.nextDouble();
    return (long) Math.floor(random * number.longValue());
}

From source file:com.alibaba.otter.manager.web.common.NumberFormatUtil.java

public static String formatFileSize(Number data) {
    if (data == null) {
        return null;
    }/*  w  w  w  . j a  v a 2  s.c o  m*/

    long size = data.longValue();
    if (size > TB_SIZE) {
        DecimalFormat format = new DecimalFormat(PATTERN);
        return format.format((size * 1.0) / TB_SIZE) + " TB";
    } else if (size > GB_SIZE) {
        DecimalFormat format = new DecimalFormat(PATTERN);
        return format.format((size * 1.0) / GB_SIZE) + " GB";
    } else if (size > MB_SIZE) {
        DecimalFormat format = new DecimalFormat(PATTERN);
        return format.format((size * 1.0) / MB_SIZE) + " MB";
    } else if (size > KB_SIZE) {
        DecimalFormat format = new DecimalFormat(PATTERN);
        return format.format((size * 1.0) / KB_SIZE) + " KB";
    } else {
        DecimalFormat format = new DecimalFormat(PATTERN);
        return format.format(size) + " B";
    }

}