org.databene.commons
Class NumberUtil

java.lang.Object
  org.databene.commons.NumberUtil

public class NumberUtil
extends java.lang.Object

Provides convenience methods for the Java number types. Created: 12.02.2005 18:24:47

Since:

0.1

Author:

Volker Bergmann

Constructor Summary

NumberUtil()

Method Summary

static int	bitsUsed(long value)
static java.lang.String	format(double number, int digits)
static java.lang.String	formatHex(int value, int digits)
static <T extends java.lang.Number> T	maxValue(java.lang.Class<T> numberType)
static <T extends java.lang.Number> java.math.BigDecimal	toBigDecimal(T value)
static <T extends java.lang.Number> java.math.BigInteger	toBigInteger(T value)
static <T extends java.lang.Number> byte	toByte(T value)
static <T extends java.lang.Number> java.lang.Double	toDouble(T value)
static <T extends java.lang.Number> java.lang.Float	toFloat(T value)
static int	toInt(byte[] bytes)
static <T extends java.lang.Number> java.lang.Integer	toInteger(T value)
static <T extends java.lang.Number> java.lang.Long	toLong(T value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NumberUtil

public NumberUtil()

Method Detail

toByte

public static <T extends java.lang.Number> byte toByte(T value)

toInteger

public static <T extends java.lang.Number> java.lang.Integer toInteger(T value)

toLong

public static <T extends java.lang.Number> java.lang.Long toLong(T value)

toFloat

public static <T extends java.lang.Number> java.lang.Float toFloat(T value)

toDouble

public static <T extends java.lang.Number> java.lang.Double toDouble(T value)

toBigDecimal

public static <T extends java.lang.Number> java.math.BigDecimal toBigDecimal(T value)

toBigInteger

public static <T extends java.lang.Number> java.math.BigInteger toBigInteger(T value)

formatHex

public static java.lang.String formatHex(int value,
                                         int digits)

bitsUsed

public static int bitsUsed(long value)

toInt

public static int toInt(byte[] bytes)

format

public static java.lang.String format(double number,
                                      int digits)

maxValue

public static <T extends java.lang.Number> T maxValue(java.lang.Class<T> numberType)