smile.util

Interface Strings

public interface Strings

String utility functions.

Field Summary

Fields

Modifier and Type	Field and Description
static java.text.DecimalFormat	decimal Decimal format for floating numbers.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	fill(char ch, int len) Returns a string with a single repeated character to a specific length.
static java.lang.String	format(double x) Returns the string representation of a floating number without trailing zeros.
static java.lang.String	format(double x, boolean trailingZeros) Returns the string representation of a floating number.
static java.lang.String	format(float x) Returns the string representation of a floating number without trailing zeros.
static java.lang.String	format(float x, boolean trailingZeros) Returns the string representation of a floating number.
static boolean	isNullOrEmpty(java.lang.String str) Returns true if the string is null or empty.
static java.lang.String	leftPad(java.lang.String str, int size, char padChar) Left pad a String with a specified character.
static java.lang.String	ordinal(int i) Returns the string representation of ordinal number with suffix.
static double[]	parseDoubleArray(java.lang.String s) Parses a double array in format '[1.0, 2.0, 3.0]'.
static int[]	parseIntArray(java.lang.String s) Parses a double array in format '[1.0, 2.0, 3.0]'.
static java.lang.String	rightPad(java.lang.String str, int size, char padChar) Right pad a String with a specified character.
static java.lang.String	toString(double[] a) Returns the string representation of array in format '[1.0, 2.0, 3.0]'."
static java.lang.String	toString(float[] a) Returns the string representation of array in format '[1.0, 2.0, 3.0]'."
static java.lang.String	toString(int[] a) Returns the string representation of array in format '[1, 2, 3]'."

Field Detail

decimal

static final java.text.DecimalFormat decimal

Decimal format for floating numbers.

Method Detail

isNullOrEmpty

static boolean isNullOrEmpty(java.lang.String str)

Returns true if the string is null or empty.

ordinal

static java.lang.String ordinal(int i)

Returns the string representation of ordinal number with suffix.

leftPad

static java.lang.String leftPad(java.lang.String str,
                                int size,
                                char padChar)

Left pad a String with a specified character.

Parameters:

str - the String to pad out, may be null

size - the size to pad to

padChar - the character to pad with

Returns:

left padded String or original String if no padding is necessary, null if null String input

rightPad

static java.lang.String rightPad(java.lang.String str,
                                 int size,
                                 char padChar)

Right pad a String with a specified character.

Parameters:

str - the String to pad out, may be null

size - the size to pad to

padChar - the character to pad with

Returns:

left padded String or original String if no padding is necessary, null if null String input

fill

static java.lang.String fill(char ch,
                             int len)

Returns a string with a single repeated character to a specific length.

format

static java.lang.String format(float x)

Returns the string representation of a floating number without trailing zeros.

format

static java.lang.String format(float x,
                               boolean trailingZeros)

Returns the string representation of a floating number.

format

static java.lang.String format(double x)

Returns the string representation of a floating number without trailing zeros.

format

static java.lang.String format(double x,
                               boolean trailingZeros)

Returns the string representation of a floating number.

toString

static java.lang.String toString(int[] a)

Returns the string representation of array in format '[1, 2, 3]'."

toString

static java.lang.String toString(float[] a)

Returns the string representation of array in format '[1.0, 2.0, 3.0]'."

toString

static java.lang.String toString(double[] a)

Returns the string representation of array in format '[1.0, 2.0, 3.0]'."

parseIntArray

static int[] parseIntArray(java.lang.String s)

Parses a double array in format '[1.0, 2.0, 3.0]'. Returns null if s is null or empty.

parseDoubleArray

static double[] parseDoubleArray(java.lang.String s)

Parses a double array in format '[1.0, 2.0, 3.0]'. Returns null if s is null or empty.