com.github.paganini2008.devtools

类 NumberUtils

java.lang.Object

com.github.paganini2008.devtools.NumberUtils

public abstract class NumberUtils
extends Object

NumberUtils

版本:

1.0

作者:

Fred Feng

字段概要

字段

限定符和类型	字段和说明
static DecimalFormat	DEFAULT_NUMBER_FORMATTER
private static LruMap<String,DecimalFormat>	formatCache

构造器概要

构造器

构造器和说明
NumberUtils()

方法概要

限定符和类型	方法和说明
static String	format(Number value)
static String	format(Number value, DecimalFormat df)
static String	format(Number value, DecimalFormat df, String defaultValue)
static String	format(Number value, int scale)
static String	format(Number value, String pattern)
static String	format(Number value, String pattern, String defaultValue)
static String[]	formatMany(Number[] values)
static String[]	formatMany(Number[] values, DecimalFormat df)
static String[]	formatMany(Number[] values, DecimalFormat df, String defaultValue)
static String[]	formatMany(Number[] values, String pattern)
static String[]	formatMany(Number[] values, String pattern, String defaultValue)
static DecimalFormat	getDecimalFormat(String pattern)
static DecimalFormat	getDecimalFormat(String s, int scale)
private static String	getDecimalPattern(String s, int scale)
static boolean	isHex(String value)
static boolean	isInteger(String str)
static boolean	isNotInteger(String value)
static boolean	isNotNumber(String value)
static boolean	isNumber(String str)
static String	read(String value)
static BigDecimal	toBigDecimal(String str)
static BigDecimal	toBigDecimal(String str, BigDecimal defaultValue)
static BigInteger	toBigInteger(String str)
static BigInteger	toBigInteger(String str, BigInteger defaultValue)
static Byte	toByte(String str)
static Byte	toByte(String str, Byte defaultValue)
static Double	toDouble(String str)
static Double	toDouble(String str, Double defaultValue)
static Integer	toInteger(String str)
static Integer	toInteger(String str, Integer defaultValue)
static Long	toLong(String str)
static Long	toLong(String str, Long defaultValue)
static String	toPlainString(Number n)
static String	toPlainString(Number n, String defaultValue)
static Short	toShort(String str)
static Short	toShort(String str, Short defaultValue)
static String[]	toStringArray(Number[] numbers, DecimalFormat df)

从类继承的方法 java.lang.Object

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

字段详细资料

formatCache

private static final LruMap<String,DecimalFormat> formatCache

DEFAULT_NUMBER_FORMATTER

public static final DecimalFormat DEFAULT_NUMBER_FORMATTER

构造器详细资料

NumberUtils

public NumberUtils()

方法详细资料

toPlainString

public static String toPlainString(Number n)

toPlainString

public static String toPlainString(Number n,
                                   String defaultValue)

isInteger

public static boolean isInteger(String str)

isNumber

public static boolean isNumber(String str)

isHex

public static boolean isHex(String value)

isNotInteger

public static boolean isNotInteger(String value)

isNotNumber

public static boolean isNotNumber(String value)

read

public static String read(String value)

toByte

public static Byte toByte(String str)

toByte

public static Byte toByte(String str,
                          Byte defaultValue)

toShort

public static Short toShort(String str)

toShort

public static Short toShort(String str,
                            Short defaultValue)

toInteger

public static Integer toInteger(String str)

toInteger

public static Integer toInteger(String str,
                                Integer defaultValue)

toLong

public static Long toLong(String str)

toLong

public static Long toLong(String str,
                          Long defaultValue)

toDouble

public static Double toDouble(String str)

toDouble

public static Double toDouble(String str,
                              Double defaultValue)

toBigInteger

public static BigInteger toBigInteger(String str)

toBigInteger

public static BigInteger toBigInteger(String str,
                                      BigInteger defaultValue)

toBigDecimal

public static BigDecimal toBigDecimal(String str)

toBigDecimal

public static BigDecimal toBigDecimal(String str,
                                      BigDecimal defaultValue)

toStringArray

public static String[] toStringArray(Number[] numbers,
                                     DecimalFormat df)

getDecimalPattern

private static String getDecimalPattern(String s,
                                        int scale)

getDecimalFormat

public static DecimalFormat getDecimalFormat(String s,
                                             int scale)

getDecimalFormat

public static DecimalFormat getDecimalFormat(String pattern)

format

public static String format(Number value,
                            int scale)

format

public static String format(Number value,
                            String pattern)

format

public static String format(Number value,
                            String pattern,
                            String defaultValue)

format

public static String format(Number value)

format

public static String format(Number value,
                            DecimalFormat df)

format

public static String format(Number value,
                            DecimalFormat df,
                            String defaultValue)

formatMany

public static String[] formatMany(Number[] values)

formatMany

public static String[] formatMany(Number[] values,
                                  DecimalFormat df)

formatMany

public static String[] formatMany(Number[] values,
                                  DecimalFormat df,
                                  String defaultValue)

formatMany

public static String[] formatMany(Number[] values,
                                  String pattern)

formatMany

public static String[] formatMany(Number[] values,
                                  String pattern,
                                  String defaultValue)