net.isger.util

类 Helpers

java.lang.Object

net.isger.util.Helpers

public class Helpers
extends Object

帮助工具

作者:

issing

字段概要

字段

限定符和类型	字段和说明
static org.slf4j.Logger	LOG
static int	MAX_RADIX 最大进制数
static int	MIN_RADIX 最小进制数
static int	SEED_DIGIT

方法概要

限定符和类型	方法和说明
static <T> int	add(Collection<T> container, Collection<T> values)
static <T> int	add(Collection<T> container, Enumeration<T> values)
static <T> int	add(Collection<T> container, Iterator<T> values)
static <T> int	add(Collection<T> container, T... values)
static <T> boolean	add(Collection<T> container, T value)
static <T> T	coalesce(T... instances)
static Object	compact(Object value) 数组紧凑化
static int	compare(Object other, Object another)
static boolean	contains(List<?> a, List<?> b)
static <T> Object	each(boolean multipled, Object array, Callable<T> callable, Object... args) 遍历操作
static <T> Object	each(Object instance, Callable<T> callable, Object... args) 遍历操作
static boolean	equals(Object source, Object target)
static Object	fromJson(String json)
static <T> T	fromJson(String json, Class<T> clazz)
static InetAddress	getAddress() 获取地址
static SocketAddress	getAddress(int port) 获取地址
static InetAddress	getAddress(String host)
static SocketAddress	getAddress(String host, int port) 获取地址
static String	getAliasName(Annotation[] annos)
static String	getAliasName(Class<?> clazz)
static String	getAliasName(Class<?> clazz, String mask)
static String	getAliasName(Class<?> clazz, String mask, String value)
static String	getAliasName(Method method)
static String	getAliasName(Method method, String mask)
static String	getAliasName(Method method, String mask, String value)
static int	getBitCount(byte[] bytes)
static int	getBitCount(long value)
static String	getCPUID() 获取CPU标识
static <T> T	getElement(Object array, Class<T> rawClass)
static Object	getElement(Object array, int index)
static String	getHDID() 获取硬盘标识
static int	getIndex(Object array, Object instance)
static Object	getInstance(Map<String,? extends Object> params, String key)
static int	getLength(Object array)
static Map<String,? extends Object>	getMap(Map<String,? extends Object> params, String key)
static <T> List<T>	getMerge(List<T> source, List<T> target) 获取合并结果
static Properties	getProperties(boolean isXML, Object source, String name)
static Properties	getProperties(boolean isXML, String name)
static Properties	getProperties(boolean isXML, URL url)
static Properties	getProperties(File file)
static Properties	getProperties(Object source, String name)
static Properties	getProperties(String name)
static URL	getPropertiesURL(boolean isXML, Object source, String name)
static URL	getPropertiesURL(boolean isXML, String name)
static String	getProperty(Class<?> clazz, String id, Object... args)
static String	getProperty(Class<?> clazz, String dialect, String id, Object... args)
static String	getProperty(String key)
static String	getProperty(String suffix, Class<?> clazz, String dialect, String id, Object... args)
static String	getProperty(String key, String value)
static int	getRandom() 获取随机数
static int	getRandom(int limit) 获取随机数
static String	getRuntimeProcess() 当前运行进程
static String	getStackTrace(Throwable cause)
static <T> List<T>	getSurplus(List<T> source, List<T> target) 获取目标盈余
static URL	getURL(File file)
static Object	getValue(Map<String,? extends Object> params, String key)
static Object	getValue(Map<String,? extends Object> params, String key, Class<?> rawClass)
static Object	getValue(Map<String,? extends Object> params, String key, String suffix)
static Object	getValues(Map<String,? extends Object> params, String key)
static Object	getValues(Map<String,? extends Object> params, String key, String suffix)
static Object	getValues(Map<String,Object> params, String key, Class<?> rawClass)
static <T> T[]	group(T... args)
static <T> T[][]	groups(T[]... args)
static boolean	hasAliasName(AnnotatedElement element)
static boolean	hasAliasName(Annotation[] annos)
static int	hashCode(Object instance)
static boolean	isCode(String value)
static boolean	isCode(String value, int limit)
static boolean	isEmail(String email)
static boolean	isEmpty(Collection<?> values)
static boolean	isEmpty(Map<?,?> values)
static boolean	isMultiple(Object instance)
static boolean	isUrl(String url)
static Properties	load(Properties props, boolean isXML, Object source, String name)
static Properties	load(Properties props, boolean isXML, String name)
static Properties	load(Properties props, boolean isXML, URL url)
static Properties	load(Properties props, File file)
static Properties	load(Properties props, Object source, String name)
static Properties	load(Properties props, String name)
static String	makeCode(int length) 生成指定位数编码
static String	makeCode(int length, int seed) 生成指定位数编码
static String	makeMarchineCode() 生成机器码
static String	makeMD5(byte[] value) 生成MD5摘要
static String	makeMD5(String value) 生成MD5摘要
static String	makeUUID() 生成20位UUID
static <T> T[]	newArray(Class<T> resultType, Object[] source, int count)
static Object	newArray(Object source)
static Object	newArray(Object source, int length)
static Object	newArray(Object source, Object target)
static Object[][]	newGrid(boolean isColumn, Object... values)
static <T> List<T>	newList(Enumeration<T> values)
static <T> List<T>	newList(Iterator<T> values)
static <K,V> Map<K,V>	newMap(Map<K,V> source, K... keys)
static <T> T	nvl(T value, T alternative)
static <T> T	nvl(T value, T leftist, T rightist)
static String	parse(long value, int radix) 将长整型数值转换为指定的进制数
static long	parse(String value, int radix) 将字符串转换为指定的进制数长整型数值
static void	readying(Callable<Boolean> readyable)
static void	readying(Callable<Boolean> readyable, long ms)
static Object	resolve(boolean resolved, Object leftist, Object rightist)
static <T> T	resolve(boolean resolved, T value)
static String	run(String cmd, int line)
static String	run(String cmd, String regex)
static void	sleep(int s)
static void	sleep(long ms)
static void	sleep(long ms, int ns)
static <T> List<T>	sort(List<T> instances)
static <K,V> List<Map.Entry<K,V>>	sortByKey(Map<K,V> instances)
static <K,V> List<Map.Entry<K,V>>	sortByKey(Set<Map.Entry<K,V>> instances)
static <K,V> List<Map.Entry<K,V>>	sortByValue(Map<K,V> instances)
static <K,V> List<Map.Entry<K,V>>	sortByValue(Set<Map.Entry<K,V>> instances)
static <K,T> boolean	toAppend(Map<K,List<T>> values, K name, T value) 追加实例
static <K,T> boolean	toAppend(Map<K,List<T>> values, K name, T value, boolean repeat) 追加实例
static <K,T> int	toAppends(Map<K,List<T>> values, K name, Collection<T> value) 追加实例
static <K,T> int	toAppends(Map<K,List<T>> values, K name, Collection<T> value, boolean repeat) 追加实例
static Object	toArray(Class<?> type, Object source)
static Object	toArray(Object source)
static boolean	toBoolean(Object value) 转换布尔值
static double	toDouble(Object value) 转换双精度
static double	toDouble(Object value, double def) 转换双精度
static Map<String,Object>	toFlat(Map<String,Object> values) 集合扁平化
static String	toHex(byte[] values) 转换16进制
static byte[]	toHex(String hex) 转换16进制
static Map<String,? extends Object>	toHierarchical(Map<String,? extends Object> values) 集合层级化
static int	toInt(int radix, String value, int beginIndex, int endIndex)
static int	toInt(Object value) 转换整形
static int	toInt(Object value, int def) 转换整形
static int	toInt(String value, int beginIndex, int endIndex)
static String	toJson(Object instance)
static String	toJson(Object instance, boolean desensitization)
static long	toLong(Object value) 转换长整形
static long	toLong(Object value, long def) 转换长整形
static byte	toRadix(char value)
static <T> Map<String,List<T>>	toUnmodifiable(Map<String,List<T>> values) 屏蔽集合修改功能
static <K,V> Map<K,V>	trim(Map<K,V> values)
static Object	wrap(Object... args)
static Object[]	wraps(Object... args)

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

LOG

public static final org.slf4j.Logger LOG

SEED_DIGIT

public static final int SEED_DIGIT

另请参阅:

常量字段值

MAX_RADIX

public static final int MAX_RADIX

最大进制数

MIN_RADIX

public static final int MIN_RADIX

最小进制数

另请参阅:

常量字段值

方法详细资料

parse

public static String parse(long value,
                           int radix)

将长整型数值转换为指定的进制数

参数:

value -

radix -

返回:

parse

public static long parse(String value,
                         int radix)

将字符串转换为指定的进制数长整型数值

参数:

value -

radix -

返回:

toJson

public static String toJson(Object instance)

toJson

public static String toJson(Object instance,
                            boolean desensitization)

fromJson

public static Object fromJson(String json)

fromJson

public static <T> T fromJson(String json,
                             Class<T> clazz)

toBoolean

public static boolean toBoolean(Object value)

转换布尔值

参数:

value -

返回:

toInt

public static int toInt(Object value)

转换整形

参数:

value -

返回:

toInt

public static int toInt(Object value,
                        int def)

转换整形

参数:

value -

def -

返回:

toLong

public static long toLong(Object value)

转换长整形

参数:

value -

返回:

toLong

public static long toLong(Object value,
                          long def)

转换长整形

参数:

value -

def -

返回:

toDouble

public static double toDouble(Object value)

转换双精度

参数:

value -

返回:

toDouble

public static double toDouble(Object value,
                              double def)

转换双精度

参数:

value -

def -

返回:

toHex

public static String toHex(byte[] values)

转换16进制

参数:

values -

返回:

toHex

public static byte[] toHex(String hex)

转换16进制

参数:

hex -

返回:

toRadix

public static byte toRadix(char value)

makeMD5

public static String makeMD5(String value)

生成MD5摘要

参数:

value -

返回:

makeMD5

public static String makeMD5(byte[] value)

生成MD5摘要

参数:

value -

返回:

makeUUID

public static String makeUUID()

生成20位UUID

返回:

makeMarchineCode

public static String makeMarchineCode()

生成机器码

返回:

makeCode

public static String makeCode(int length)

生成指定位数编码

参数:

length -

返回:

makeCode

public static String makeCode(int length,
                              int seed)

生成指定位数编码

参数:

length -

seed -

返回:

getRandom

public static int getRandom()

获取随机数

返回:

getRandom

public static int getRandom(int limit)

获取随机数

参数:

limit -

返回:

getBitCount

public static int getBitCount(long value)

getBitCount

public static int getBitCount(byte[] bytes)

getURL

public static URL getURL(File file)

getPropertiesURL

public static URL getPropertiesURL(boolean isXML,
                                   String name)

getPropertiesURL

public static URL getPropertiesURL(boolean isXML,
                                   Object source,
                                   String name)

getProperties

public static Properties getProperties(File file)

getProperties

public static Properties getProperties(String name)

getProperties

public static Properties getProperties(Object source,
                                       String name)

getProperties

public static Properties getProperties(boolean isXML,
                                       String name)

getProperties

public static Properties getProperties(boolean isXML,
                                       Object source,
                                       String name)

getProperties

public static Properties getProperties(boolean isXML,
                                       URL url)

load

public static Properties load(Properties props,
                              File file)

load

public static Properties load(Properties props,
                              String name)

load

public static Properties load(Properties props,
                              Object source,
                              String name)

load

public static Properties load(Properties props,
                              boolean isXML,
                              String name)

load

public static Properties load(Properties props,
                              boolean isXML,
                              Object source,
                              String name)

load

public static Properties load(Properties props,
                              boolean isXML,
                              URL url)

getProperty

public static String getProperty(String key)

getProperty

public static String getProperty(String key,
                                 String value)

getProperty

public static String getProperty(Class<?> clazz,
                                 String id,
                                 Object... args)

getProperty

public static String getProperty(Class<?> clazz,
                                 String dialect,
                                 String id,
                                 Object... args)

getProperty

public static String getProperty(String suffix,
                                 Class<?> clazz,
                                 String dialect,
                                 String id,
                                 Object... args)

compare

public static int compare(Object other,
                          Object another)

hasAliasName

public static boolean hasAliasName(AnnotatedElement element)

hasAliasName

public static boolean hasAliasName(Annotation[] annos)

getAliasName

public static String getAliasName(Annotation[] annos)

getAliasName

public static String getAliasName(Class<?> clazz)

getAliasName

public static String getAliasName(Class<?> clazz,
                                  String mask)

getAliasName

public static String getAliasName(Class<?> clazz,
                                  String mask,
                                  String value)

getAliasName

public static String getAliasName(Method method)

getAliasName

public static String getAliasName(Method method,
                                  String mask)

getAliasName

public static String getAliasName(Method method,
                                  String mask,
                                  String value)

isEmpty

public static boolean isEmpty(Map<?,?> values)

isEmpty

public static boolean isEmpty(Collection<?> values)

isMultiple

public static boolean isMultiple(Object instance)

toUnmodifiable

public static <T> Map<String,List<T>> toUnmodifiable(Map<String,List<T>> values)

屏蔽集合修改功能

参数:

values -

返回:

toHierarchical

public static Map<String,? extends Object> toHierarchical(Map<String,? extends Object> values)

集合层级化

参数:

values -

返回:

toFlat

public static Map<String,Object> toFlat(Map<String,Object> values)

集合扁平化

参数:

values -

返回:

toAppend

public static <K,T> boolean toAppend(Map<K,List<T>> values,
                                     K name,
                                     T value)

追加实例

参数:

values -

name -

value -

返回:

toAppend

public static <K,T> boolean toAppend(Map<K,List<T>> values,
                                     K name,
                                     T value,
                                     boolean repeat)

追加实例

参数:

values -

name -

value -

repeat -

返回:

toAppends

public static <K,T> int toAppends(Map<K,List<T>> values,
                                  K name,
                                  Collection<T> value)

追加实例

参数:

values -

name -

value -

返回:

toAppends

public static <K,T> int toAppends(Map<K,List<T>> values,
                                  K name,
                                  Collection<T> value,
                                  boolean repeat)

追加实例

参数:

values -

name -

value -

返回:

contains

public static boolean contains(List<?> a,
                               List<?> b)

getSurplus

public static <T> List<T> getSurplus(List<T> source,
                                     List<T> target)

获取目标盈余

参数:

source -

target -

返回:

getMerge

public static <T> List<T> getMerge(List<T> source,
                                   List<T> target)

获取合并结果

参数:

source -

target -

返回:

add

public static <T> int add(Collection<T> container,
                          Enumeration<T> values)

add

public static <T> int add(Collection<T> container,
                          Iterator<T> values)

add

public static <T> int add(Collection<T> container,
                          T... values)

add

public static <T> int add(Collection<T> container,
                          Collection<T> values)

add

public static <T> boolean add(Collection<T> container,
                              T value)

newList

public static <T> List<T> newList(Enumeration<T> values)

newList

public static <T> List<T> newList(Iterator<T> values)

newMap

public static <K,V> Map<K,V> newMap(Map<K,V> source,
                                    K... keys)

getMap

public static Map<String,? extends Object> getMap(Map<String,? extends Object> params,
                                                  String key)

getInstance

public static Object getInstance(Map<String,? extends Object> params,
                                 String key)

toArray

public static Object toArray(Object source)

toArray

public static Object toArray(Class<?> type,
                             Object source)

newArray

public static Object newArray(Object source)

newArray

public static Object newArray(Object source,
                              int length)

newArray

public static Object newArray(Object source,
                              Object target)

newArray

public static <T> T[] newArray(Class<T> resultType,
                               Object[] source,
                               int count)

newGrid

public static Object[][] newGrid(boolean isColumn,
                                 Object... values)

compact

public static Object compact(Object value)

数组紧凑化

参数:

value -

返回:

wrap

public static Object wrap(Object... args)

wraps

public static Object[] wraps(Object... args)

group

@SafeVarargs
public static <T> T[] group(T... args)

groups

public static <T> T[][] groups(T[]... args)

sleep

public static void sleep(int s)

sleep

public static void sleep(long ms)

sleep

public static void sleep(long ms,
                         int ns)

readying

public static void readying(Callable<Boolean> readyable)

readying

public static void readying(Callable<Boolean> readyable,
                            long ms)

getAddress

public static InetAddress getAddress()

获取地址

返回:

抛出:

Exception

getAddress

public static InetAddress getAddress(String host)

getAddress

public static SocketAddress getAddress(int port)

获取地址

参数:

port -

返回:

getAddress

public static SocketAddress getAddress(String host,
                                       int port)

获取地址

参数:

host -

port -

返回:

isCode

public static boolean isCode(String value)

isCode

public static boolean isCode(String value,
                             int limit)

each

public static <T> Object each(Object instance,
                              Callable<T> callable,
                              Object... args)

遍历操作

参数:

instance -

callable -

args -

返回:

each

public static <T> Object each(boolean multipled,
                              Object array,
                              Callable<T> callable,
                              Object... args)

遍历操作

参数:

multipled -

array -

callable -

args -

返回:

getLength

public static int getLength(Object array)

getIndex

public static int getIndex(Object array,
                           Object instance)

getElement

public static <T> T getElement(Object array,
                               Class<T> rawClass)

getElement

public static Object getElement(Object array,
                                int index)

getValue

public static Object getValue(Map<String,? extends Object> params,
                              String key)

getValue

public static Object getValue(Map<String,? extends Object> params,
                              String key,
                              String suffix)

getValue

public static Object getValue(Map<String,? extends Object> params,
                              String key,
                              Class<?> rawClass)

getValues

public static Object getValues(Map<String,? extends Object> params,
                               String key)

getValues

public static Object getValues(Map<String,? extends Object> params,
                               String key,
                               String suffix)

getValues

public static Object getValues(Map<String,Object> params,
                               String key,
                               Class<?> rawClass)

nvl

public static <T> T nvl(T value,
                        T alternative)

nvl

public static <T> T nvl(T value,
                        T leftist,
                        T rightist)

resolve

public static <T> T resolve(boolean resolved,
                            T value)

resolve

public static Object resolve(boolean resolved,
                             Object leftist,
                             Object rightist)

coalesce

public static <T> T coalesce(T... instances)

trim

public static <K,V> Map<K,V> trim(Map<K,V> values)

toInt

public static int toInt(String value,
                        int beginIndex,
                        int endIndex)

toInt

public static int toInt(int radix,
                        String value,
                        int beginIndex,
                        int endIndex)

hashCode

public static int hashCode(Object instance)

equals

public static boolean equals(Object source,
                             Object target)

getStackTrace

public static String getStackTrace(Throwable cause)

sortByKey

public static <K,V> List<Map.Entry<K,V>> sortByKey(Map<K,V> instances)

sortByKey

public static <K,V> List<Map.Entry<K,V>> sortByKey(Set<Map.Entry<K,V>> instances)

sortByValue

public static <K,V> List<Map.Entry<K,V>> sortByValue(Map<K,V> instances)

sortByValue

public static <K,V> List<Map.Entry<K,V>> sortByValue(Set<Map.Entry<K,V>> instances)

sort

public static <T> List<T> sort(List<T> instances)

isUrl

public static boolean isUrl(String url)

isEmail

public static boolean isEmail(String email)

getRuntimeProcess

public static String getRuntimeProcess()

当前运行进程

返回:

getCPUID

public static String getCPUID()

获取CPU标识

返回:

getHDID

public static String getHDID()

获取硬盘标识

返回:

run

public static String run(String cmd,
                         int line)

run

public static String run(String cmd,
                         String regex)