com.github.cloudecho.config

类 AppUtils

java.lang.Object

com.github.cloudecho.config.AppUtils

public abstract class AppUtils
extends Object

工具类

从以下版本开始:

2013-08-02

作者:

yong.ma

字段概要

字段

限定符和类型	字段和说明
static String	SERVER_HOME

构造器概要

构造器

构造器和说明
AppUtils()

方法概要

方法

限定符和类型	方法和说明
static Date	addDate(Date d, int filed, int value) 修改时间
static void	copyFrom(Object bean, Map<String,Object> map) Populate the bean with map by bean's setter.
static boolean	deleteFile(String path, int timeoutSeconds)
static String	getNowString() 取得当前时间字符串
static String	getTodayStr() 转换日期字符串格式
static String	getTodayString() 取得当前日期字符串
static boolean	isReachable(String host, int port, int timeout) Check the host:port available
static boolean	isSameDay(Date d1, Date d2) 判断两个时间是否在同一天
static String	leftPad(String str, int len, char pad) 左补齐
static void	notNull(Object object, String message)
static String	randomDigit(int len)
static String	renameFile(String oldPath, String newPath, int timeoutSeconds)
static String	rightPad(String str, int len, char pad) 右补齐
static String	stripEnv(String str) 自动查找并替换给定字符串里的环境变量.
static String	toDbField(String field) e.g.
static String	trimByLength(Object o, int len) 截取字符串前LEN个字符
static Long	valueOfLong(Object val)

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

SERVER_HOME

public static final String SERVER_HOME

另请参阅:

常量字段值

构造器详细资料

AppUtils

public AppUtils()

方法详细资料

notNull

public static void notNull(Object object,
           String message)

getNowString

public static String getNowString()

取得当前时间字符串

getTodayString

public static String getTodayString()

取得当前日期字符串

getTodayStr

public static String getTodayStr()

转换日期字符串格式

stripEnv

public static String stripEnv(String str)

自动查找并替换给定字符串里的环境变量.
给定字符串str包含的环境变量格式：
$[VAR] 或 $VAR（变量名大写，由字母或下划线组成），例如：$[ORG_ID] 或 $ORG_ID

leftPad

public static String leftPad(String str,
             int len,
             char pad)

左补齐

rightPad

public static String rightPad(String str,
              int len,
              char pad)

右补齐

copyFrom

public static void copyFrom(Object bean,
            Map<String,Object> map)

Populate the bean with map by bean's setter.

toDbField

public static String toDbField(String field)

e.g.
getName --> GET_NAME

isReachable

public static boolean isReachable(String host,
                  int port,
                  int timeout)

Check the host:port available

参数:

host - the target host

port - the target port

timeout - the time, in milliseconds, before the call aborts

renameFile

public static String renameFile(String oldPath,
                String newPath,
                int timeoutSeconds)
                         throws InterruptedException

抛出:

InterruptedException

deleteFile

public static boolean deleteFile(String path,
                 int timeoutSeconds)
                          throws InterruptedException

抛出:

InterruptedException

addDate

public static Date addDate(Date d,
           int filed,
           int value)

修改时间

参数:

d -

filed - e.g. Calendar.SECOND

value -

返回:

新的日期

isSameDay

public static boolean isSameDay(Date d1,
                Date d2)

判断两个时间是否在同一天

trimByLength

public static String trimByLength(Object o,
                  int len)

截取字符串前LEN个字符

valueOfLong

public static Long valueOfLong(Object val)

randomDigit

public static String randomDigit(int len)