Module seppiko.commons.utils

Package org.seppiko.commons.utils

Class NumberUtil

java.lang.Object

org.seppiko.commons.utils.NumberUtil

public class NumberUtil
extends Object

Number Util

Author:

Leonard Woo

Field Summary

Fields

Modifier and Type	Field	Description
static final int	FULLWIDTH_DIGITS	Fullwidth digits ('０' through '９')
static final int	LATIN_DIGITS	ISO-LATIN-1(ASCII) digits ('0' through '9')

Method Summary

Modifier and Type	Method	Description
static boolean	between(byte num, byte min, byte max)	test num between min and max
static boolean	between(char num, char min, char max)	test num between min and max
static boolean	between(double num, double min, double max)	test num between min and max
static boolean	between(float num, float min, float max)	test num between min and max
static boolean	between(int num, int min, int max)	test num between min and max
static boolean	between(long num, long min, long max)	test num between min and max
static boolean	between(short num, short min, short max)	test num between min and max
static boolean	between(BigDecimal num, BigDecimal min, BigDecimal max)	test num between min and max
static boolean	between(BigInteger num, BigInteger min, BigInteger max)	test num between min and max
static String	convert(CharSequence input, int outType)	Convert between LATIN_DIGITS and FULLWIDTH_DIGITS and support simple calculation result.
static String	format(String precisionPattern, double number)	Double format
protected static String	toHalfWidthWithoutNumeric(CharSequence input)	To half-width without numeric
static int[]	toUnsignedIntArray(byte[] src)	byte array to unsigned int array
static long[]	toUnsignedLongArray(int[] src)	int array to unsigned long array
static int[]	toUnsignedShortArray(short[] src)	short array to unsigned int array

Methods inherited from class java.lang.Object

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

Field Details

LATIN_DIGITS

public static final int LATIN_DIGITS

ISO-LATIN-1(ASCII) digits ('0' through '9')

See Also:

• Constant Field Values

FULLWIDTH_DIGITS

public static final int FULLWIDTH_DIGITS

Fullwidth digits ('０' through '９')

See Also:

• Constant Field Values

Method Details

between

public static boolean between(byte num,
 byte min,
 byte max)

test num between min and max

Parameters:

num - number

min - minimum number

max - maximum number

Returns:

true number is between the maximum and minimum

between

public static boolean between(short num,
 short min,
 short max)

test num between min and max

Parameters:

num - number

min - minimum number

max - maximum number

Returns:

true number is between the maximum and minimum

between

public static boolean between(int num,
 int min,
 int max)

test num between min and max

Parameters:

num - number

min - minimum number

max - maximum number

Returns:

true number is between the maximum and minimum

between

public static boolean between(long num,
 long min,
 long max)

test num between min and max

Parameters:

num - number

min - minimum number

max - maximum number

Returns:

true number is between the maximum and minimum

between

public static boolean between(float num,
 float min,
 float max)

test num between min and max

Parameters:

num - number

min - minimum number

max - maximum number

Returns:

true number is between the maximum and minimum

between

public static boolean between(double num,
 double min,
 double max)

test num between min and max

Parameters:

num - number

min - minimum number

max - maximum number

Returns:

true number is between the maximum and minimum

between

public static boolean between(char num,
 char min,
 char max)

test num between min and max

Parameters:

num - number

min - minimum number

max - maximum number

Returns:

true number is between the maximum and minimum

between

public static boolean between(BigDecimal num,
 BigDecimal min,
 BigDecimal max)

test num between min and max

Parameters:

num - number

min - minimum number

max - maximum number

Returns:

true number is between the maximum and minimum

between

public static boolean between(BigInteger num,
 BigInteger min,
 BigInteger max)

test num between min and max

Parameters:

num - number

min - minimum number

max - maximum number

Returns:

true number is between the maximum and minimum

format

public static String format(String precisionPattern,
 double number)

Double format

Parameters:

precisionPattern - precision pattern, e.g. 0.00

number - double number

Returns:

formatted string

toUnsignedIntArray

public static int[] toUnsignedIntArray(byte[] src)

byte array to unsigned int array

Parameters:

src - byte array

Returns:

unsigned int array

toUnsignedShortArray

public static int[] toUnsignedShortArray(short[] src)

short array to unsigned int array

Parameters:

src - short array

Returns:

unsigned int array

toUnsignedLongArray

public static long[] toUnsignedLongArray(int[] src)

int array to unsigned long array

Parameters:

src - int array

Returns:

unsigned long array

convert

public static String convert(CharSequence input,
 int outType)
                      throws IllegalArgumentException

Convert between LATIN_DIGITS and FULLWIDTH_DIGITS and support simple calculation result.

Parameters:

input - digit character sequence

outType - output digit type LATIN_DIGITS or FULLWIDTH_DIGITS

Returns:

decimal string

Throws:

IllegalArgumentException - input is not digit or outType is wrong

toHalfWidthWithoutNumeric

protected static String toHalfWidthWithoutNumeric(CharSequence input)

To half-width without numeric

Parameters:

input - full-width numeric.

Returns:

Half-Width without numeric.