org.apache.xmlbeans.impl.util

Class MathUtil

java.lang.Object

org.apache.xmlbeans.impl.util.MathUtil

public class MathUtil
extends Object

Internal Use Only. Utility methods for dealing with conversions

Method Summary

Modifier and Type	Method and Description
static BigDecimal	parseAsBigDecimal(String s)
static BigDecimal	parseAsBigDecimal(String s, int maxNumberOfChars)
static BigInteger	parseAsBigInteger(String s)
static double	parseAsDouble(String s)
static double	parseAsDouble(String s, int maxNumberOfChars)
static float	parseAsFloat(String s)
static float	parseAsFloat(String s, int maxNumberOfChars)
static int	parseAsInt(String s)
static long	parseAsLong(String s)
static int	safeDoubleToInt(double d)
static int	safeFloatToInt(float f)
static BigInteger	toBigInteger(BigDecimal value)
static int	toInt(BigDecimal value)
static long	toLong(BigDecimal value)

Methods inherited from class java.lang.Object

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

Method Detail

safeFloatToInt

public static int safeFloatToInt(float f)

safeDoubleToInt

public static int safeDoubleToInt(double d)

parseAsBigDecimal

public static BigDecimal parseAsBigDecimal(String s)

Parameters:

s - string to parse

Returns:

valid BigDecimal

Throws:

NumberFormatException - if parse fails

IllegalArgumentException - if string is too long

NullPointerException - if string is null

parseAsBigDecimal

public static BigDecimal parseAsBigDecimal(String s,
                                           int maxNumberOfChars)

Parameters:

s - string to parse

maxNumberOfChars - maximum number of characters allowed in the string

Returns:

valid BigDecimal

Throws:

NumberFormatException - if parse fails

IllegalArgumentException - if string is too long

NullPointerException - if string is null

parseAsBigInteger

public static BigInteger parseAsBigInteger(String s)

Parameters:

s - string to parse

Returns:

valid BigInteger

Throws:

NumberFormatException - if parse fails

IllegalArgumentException - if string is too long

NullPointerException - if string is null

parseAsFloat

public static float parseAsFloat(String s)

Parameters:

s - string to parse

Returns:

valid Float

Throws:

NumberFormatException - if parse fails

IllegalArgumentException - if string is too long

NullPointerException - if string is null

parseAsFloat

public static float parseAsFloat(String s,
                                 int maxNumberOfChars)

Parameters:

s - string to parse

maxNumberOfChars - maximum number of characters allowed in the string

Returns:

valid float

Throws:

NumberFormatException - if parse fails

IllegalArgumentException - if string is too long

NullPointerException - if string is null

parseAsDouble

public static double parseAsDouble(String s)

Parameters:

s - string to parse

Returns:

valid float

Throws:

NumberFormatException - if parse fails

IllegalArgumentException - if string is too long

NullPointerException - if string is null

parseAsDouble

public static double parseAsDouble(String s,
                                   int maxNumberOfChars)

Parameters:

s - string to parse

maxNumberOfChars - maximum number of characters allowed in the string

Returns:

valid float

Throws:

NumberFormatException - if parse fails

IllegalArgumentException - if string is too long

NullPointerException - if string is null

parseAsLong

public static long parseAsLong(String s)

Parameters:

s - string to parse

Returns:

valid long

Throws:

NumberFormatException - if parse fails

IllegalArgumentException - if string is too long

NullPointerException - if string is null

parseAsInt

public static int parseAsInt(String s)

Parameters:

s - string to parse

Returns:

valid int

Throws:

NumberFormatException - if parse fails

IllegalArgumentException - if string is too long

NullPointerException - if string is null

toBigInteger

public static BigInteger toBigInteger(BigDecimal value)

Parameters:

value - BigDecimal to convert

Returns:

valid BigInteger

Throws:

IllegalArgumentException - if the input has an absolute exponent that is too large to safely convert

NullPointerException - if value is null

toLong

public static long toLong(BigDecimal value)

Parameters:

value - BigDecimal to convert

Returns:

valid long

Throws:

IllegalArgumentException - if the input has an absolute exponent that is too large to safely convert or if the value is out of long range

NullPointerException - if value is null

toInt

public static int toInt(BigDecimal value)

Parameters:

value - BigDecimal to convert

Returns:

valid int

Throws:

IllegalArgumentException - if the input has an absolute exponent that is too large to safely convert or if the value is out of int range

NullPointerException - if value is null