org.coodex.util

类 Common

java.lang.Object

org.coodex.util.Common

public class Common
extends Object

作者:

davidoff

嵌套类概要

嵌套类

限定符和类型	类和说明
static interface	Common.Function<T,R>
static interface	Common.Processor
static interface	Common.ResourceFilter
static class	Common.StringToBoolean
static class	Common.StringToFloat
static class	Common.StringToInt
static class	Common.StringToLong
static interface	Common.Supplier<T>

字段概要

字段

限定符和类型	字段和说明
static String	DEFAULT_DATE_FORMAT
static String	DEFAULT_DATETIME_FORMAT
static String	DEFAULT_TIME_FORMAT
static String	FILE_SEPARATOR
static String	PATH_SEPARATOR

方法概要

限定符和类型	方法和说明
static <T> Set<T>	arrayToSet(T[] array)
static <T extends Comparable<T>> boolean	between(T t, T bound1, T bound2)
static String	byte2hex(byte[] b)
static String	byte2hex(byte[] b, int offset, int length)
static String	byte2hex(byte[] b, int offset, int length, int col, String split)
static String	byte2hex(byte[] b, int col, String split)
static Calendar	calendar(int year)
static Calendar	calendar(int year, int month)
static Calendar	calendar(int year, int month, int date)
static Calendar	calendar(int year, int month, int date, int hour)
static Calendar	calendar(int year, int month, int date, int hour, int minute)
static Calendar	calendar(int year, int month, int date, int hour, int minute, int second)
static Calendar	calendar(int year, int month, int date, int hour, int minute, int second, int millisecond)
static String	calendarToStr(Calendar calendar)
static String	calendarToStr(Calendar calendar, String format)
static String	camelCase(String s)
static String	camelCase(String s, boolean firstCharUpperCase)
static String	camelCase(String s, boolean firstCharUpperCase, String delimiters)
static String	camelCase(String s, String delimiters)
static void	checkNull(Object o, String msg)
static String	concat(List<String> list, String split)
static Calendar	copy(Calendar calendar)
static <K extends Serializable,V extends Serializable> void	copyMap(Map<K,V> org, Map<K,V> target)
static void	copyStream(InputStream is, OutputStream os)
static void	copyStream(InputStream is, OutputStream os, int blockSize, boolean flushPerBlock, int bps)
static Calendar	dateToCalendar(Date date)
static String	dateToStr(Date date)
static String	dateToStr(Date date, String format)
static <T extends Serializable> T	deepCopy(T object)
static Object	deserialize(byte[] buf)
static <T> Set<T>	difference(Set<T> org, Set<T> todiv) 差集 org - todiv
static <T> int	findInArray(T el, T[] array)
static void	forEach(Common.Processor processor, Common.ResourceFilter filter, String... paths)
static File	getNewFile(String fileName)
static URL	getResource(String resource, ClassLoader... classLoaders)
static DateFormat	getSafetyDateFormat(String format)
static Long	getSystemStart()
static String	getUUIDStr()
static byte[]	hex2byte(String hexString)
static byte[]	hex2byte(String hexString, String ignoreChars)
static <T> boolean	inArray(T el, T[] array)
static <T> int	indexOf(T[] array, T t)
static <T> Set<T>	intersection(Set<T> set1, Set<T> set2) 交集
static boolean	isBlank(String s)
static boolean	isSameStr(String s1, String s2)
static <T> Set<T>	join(Collection<T>... sets) 并集
static Calendar	longToCalendar(long l)
static String	longToDateStr(long l)
static String	longToDateStr(long l, String format)
static String	lowerFirstChar(String string)
static <T extends Comparable<T>> T	max(T c1, T c2, T... others)
static <T extends Comparable<T>> T	min(T c1, T c2, T... others)
static String	native2AscII(String str)
static String	now()
static String	now(String format)
static String	nullToStr(String str)
static byte	random(byte[] range)
static double	random(double[] range)
static double	random(double min, double max)
static float	random(float[] range)
static int	random(int max)
static int	random(int[] range)
static int	random(int min, int max)
static long	random(long[] range)
static long	random(long min, long max)
static short	random(short[] range)
static <T> T	random(T[] range)
static char	randomChar(String s)
static char	randomGB2312Char() 参考：http://tools.jb51.net/table/gb2312
static String	randomStr(int min, int max, String range)
static RuntimeException	runtimeException(Throwable th)
static boolean	sameString(String str1, String str2)
static byte[]	serialize(Object object)
static String	sha1(String content)
static double	similarity(String s1, String s2) 两个字符串的相似度
static Calendar	strToCalendar(String str, String format)
static Date	strToDate(String str)
static Date	strToDate(String str, String format)
static <T> Map<String,T>	subMap(String prefix, Map<String,T> map)
static <T> T	to(String str, T value)
static String[]	toArray(String str, String delim, Common.Supplier<String[]> v)
static List<String>	toArray(String str, String delim, List<String> v)
static String[]	toArray(String str, String delim, String[] v)
static boolean	toBool(String str, boolean v)
static boolean	toBool(String str, Common.Supplier<Boolean> v)
static int	toInt(String str, Common.Supplier<Integer> valueSupplier)
static int	toInt(String str, int value)
static long	toLong(String str, Common.Supplier<Long> value)
static long	toLong(String str, long value)
static String	trim(String str, char... trimChars)
static String	trim(String str, String toTrim)
static Calendar	truncate(Calendar calendar, int fromField)
static String	upperFirstChar(String string)

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

PATH_SEPARATOR

public static final String PATH_SEPARATOR

FILE_SEPARATOR

public static final String FILE_SEPARATOR

DEFAULT_DATE_FORMAT

public static final String DEFAULT_DATE_FORMAT

另请参阅:

常量字段值

DEFAULT_TIME_FORMAT

public static final String DEFAULT_TIME_FORMAT

另请参阅:

常量字段值

DEFAULT_DATETIME_FORMAT

public static final String DEFAULT_DATETIME_FORMAT

另请参阅:

常量字段值

方法详细资料

forEach

public static void forEach(Common.Processor processor,
                           Common.ResourceFilter filter,
                           String... paths)

arrayToSet

public static <T> Set<T> arrayToSet(T[] array)

getUUIDStr

public static String getUUIDStr()

sha1

public static String sha1(String content)

inArray

public static <T> boolean inArray(T el,
                                  T[] array)

findInArray

public static <T> int findInArray(T el,
                                  T[] array)

nullToStr

public static String nullToStr(String str)

serialize

public static byte[] serialize(Object object)
                        throws IOException

抛出:

IOException

deserialize

public static Object deserialize(byte[] buf)
                          throws IOException,
                                 ClassNotFoundException

抛出:

IOException

ClassNotFoundException

deepCopy

public static <T extends Serializable> T deepCopy(T object)
                                           throws IOException,
                                                  ClassNotFoundException

抛出:

IOException

ClassNotFoundException

random

public static int random(int max)

random

public static int random(int min,
                         int max)

random

public static long random(long min,
                          long max)

random

public static double random(double min,
                            double max)

copyMap

public static <K extends Serializable,V extends Serializable> void copyMap(Map<K,V> org,
                                                                           Map<K,V> target)

isBlank

public static boolean isBlank(String s)

copyStream

public static void copyStream(InputStream is,
                              OutputStream os)
                       throws IOException

抛出:

IOException

copyStream

public static void copyStream(InputStream is,
                              OutputStream os,
                              int blockSize,
                              boolean flushPerBlock,
                              int bps)
                       throws IOException

抛出:

IOException

checkNull

public static void checkNull(Object o,
                             String msg)

between

public static <T extends Comparable<T>> boolean between(T t,
                                                        T bound1,
                                                        T bound2)

max

public static <T extends Comparable<T>> T max(T c1,
                                              T c2,
                                              T... others)

byte2hex

public static String byte2hex(byte[] b)

byte2hex

public static String byte2hex(byte[] b,
                              int offset,
                              int length)

byte2hex

public static String byte2hex(byte[] b,
                              int col,
                              String split)

byte2hex

public static String byte2hex(byte[] b,
                              int offset,
                              int length,
                              int col,
                              String split)

hex2byte

public static byte[] hex2byte(String hexString)

hex2byte

public static byte[] hex2byte(String hexString,
                              String ignoreChars)

intersection

public static <T> Set<T> intersection(Set<T> set1,
                                      Set<T> set2)

交集

参数:

set1 -

set2 -

返回:

difference

public static <T> Set<T> difference(Set<T> org,
                                    Set<T> todiv)

差集 org - todiv

参数:

org -

todiv -

返回:

join

public static <T> Set<T> join(Collection<T>... sets)

并集

参数:

sets -

返回:

native2AscII

public static String native2AscII(String str)

getNewFile

public static File getNewFile(String fileName)
                       throws IOException

抛出:

IOException

getResource

public static URL getResource(String resource,
                              ClassLoader... classLoaders)

indexOf

public static <T> int indexOf(T[] array,
                              T t)

concat

public static String concat(List<String> list,
                            String split)

to

public static <T> T to(String str,
                       T value)

toInt

public static int toInt(String str,
                        Common.Supplier<Integer> valueSupplier)

toInt

public static int toInt(String str,
                        int value)

toLong

public static long toLong(String str,
                          Common.Supplier<Long> value)

toLong

public static long toLong(String str,
                          long value)

toBool

public static boolean toBool(String str,
                             Common.Supplier<Boolean> v)

toBool

public static boolean toBool(String str,
                             boolean v)

toArray

public static List<String> toArray(String str,
                                   String delim,
                                   List<String> v)

toArray

public static String[] toArray(String str,
                               String delim,
                               Common.Supplier<String[]> v)

toArray

public static String[] toArray(String str,
                               String delim,
                               String[] v)

trim

public static String trim(String str,
                          char... trimChars)

trim

public static String trim(String str,
                          String toTrim)

sameString

public static boolean sameString(String str1,
                                 String str2)

randomGB2312Char

public static char randomGB2312Char()

参考：http://tools.jb51.net/table/gb2312

返回:

一个随机的中文字符(GB2312的一级文字)

randomChar

public static char randomChar(String s)

random

public static <T> T random(T[] range)

random

public static byte random(byte[] range)

random

public static short random(short[] range)

random

public static int random(int[] range)

random

public static long random(long[] range)

random

public static float random(float[] range)

random

public static double random(double[] range)

randomStr

public static String randomStr(int min,
                               int max,
                               String range)

isSameStr

public static boolean isSameStr(String s1,
                                String s2)

copy

public static Calendar copy(Calendar calendar)

lowerFirstChar

public static String lowerFirstChar(String string)

upperFirstChar

public static String upperFirstChar(String string)

camelCase

public static String camelCase(String s)

camelCase

public static String camelCase(String s,
                               String delimiters)

camelCase

public static String camelCase(String s,
                               boolean firstCharUpperCase)

camelCase

public static String camelCase(String s,
                               boolean firstCharUpperCase,
                               String delimiters)

similarity

public static double similarity(String s1,
                                String s2)

两个字符串的相似度

参数:

s1 -

s2 -

返回:

subMap

public static <T> Map<String,T> subMap(String prefix,
                                       Map<String,T> map)

calendarToStr

public static String calendarToStr(Calendar calendar,
                                   String format)

calendarToStr

public static String calendarToStr(Calendar calendar)

dateToStr

public static String dateToStr(Date date,
                               String format)

dateToStr

public static String dateToStr(Date date)

getSafetyDateFormat

public static DateFormat getSafetyDateFormat(String format)

strToDate

public static Date strToDate(String str,
                             String format)
                      throws ParseException

抛出:

ParseException

strToDate

public static Date strToDate(String str)
                      throws ParseException

抛出:

ParseException

strToCalendar

public static Calendar strToCalendar(String str,
                                     String format)
                              throws ParseException

抛出:

ParseException

longToDateStr

public static String longToDateStr(long l)

longToDateStr

public static String longToDateStr(long l,
                                   String format)

longToCalendar

public static Calendar longToCalendar(long l)

dateToCalendar

public static Calendar dateToCalendar(Date date)

min

public static <T extends Comparable<T>> T min(T c1,
                                              T c2,
                                              T... others)

calendar

public static Calendar calendar(int year)

calendar

public static Calendar calendar(int year,
                                int month)

calendar

public static Calendar calendar(int year,
                                int month,
                                int date)

calendar

public static Calendar calendar(int year,
                                int month,
                                int date,
                                int hour)

calendar

public static Calendar calendar(int year,
                                int month,
                                int date,
                                int hour,
                                int minute)

calendar

public static Calendar calendar(int year,
                                int month,
                                int date,
                                int hour,
                                int minute,
                                int second)

calendar

public static Calendar calendar(int year,
                                int month,
                                int date,
                                int hour,
                                int minute,
                                int second,
                                int millisecond)

truncate

public static Calendar truncate(Calendar calendar,
                                int fromField)

now

public static String now()

now

public static String now(String format)

runtimeException

public static RuntimeException runtimeException(Throwable th)

getSystemStart

public static Long getSystemStart()