org.apache.dolphinscheduler.alert.utils

类 PropertyUtils

java.lang.Object

org.apache.dolphinscheduler.alert.utils.PropertyUtils

public class PropertyUtils
extends Object

property utils single instance

方法概要

限定符和类型	方法和说明
static String[]	getArray(String key, String splitStr) get array
static Boolean	getBoolean(String key) get property value
static double	getDouble(String key) get double value
static double	getDouble(String key, double defaultVal) get double value
static <T extends Enum<T>> T	getEnum(String key, Class<T> type, T defaultValue) get enum
static int	getInt(String key) get property value
static int	getInt(String key, int defaultValue) get int value
static long	getLong(String key) get long value
static long	getLong(String key, long defaultVal) get long value
static String	getString(String key) get property value
static String	getString(String key, String defaultVal) get property value

从类继承的方法 java.lang.Object

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

方法详细资料

getString

public static String getString(String key)

get property value

参数:

key - property name

返回:

the value

getString

public static String getString(String key,
                               String defaultVal)

get property value

参数:

key - property name

defaultVal - default value

返回:

property value

getInt

public static int getInt(String key)

get property value

参数:

key - property name

返回:

get property int value , if key == null, then return -1

getInt

public static int getInt(String key,
                         int defaultValue)

get int value

参数:

key - the key

defaultValue - the default value

返回:

the value related the key or the default value if the key not existed

getBoolean

public static Boolean getBoolean(String key)

get property value

参数:

key - property name

返回:

the boolean result value

getLong

public static long getLong(String key)

get long value

参数:

key - the key

返回:

if the value not existed, return -1, or will return the related value

getLong

public static long getLong(String key,
                           long defaultVal)

get long value

参数:

key - the key

defaultVal - the default value

返回:

the value related the key or the default value if the key not existed

getDouble

public static double getDouble(String key)

get double value

参数:

key - the key

返回:

if the value not existed, return -1.0, or will return the related value

getDouble

public static double getDouble(String key,
                               double defaultVal)

get double value

参数:

key - the key

defaultVal - the default value

返回:

the value related the key or the default value if the key not existed

getArray

public static String[] getArray(String key,
                                String splitStr)

get array

参数:

key - property name

splitStr - separator

返回:

the result array

getEnum

public static <T extends Enum<T>> T getEnum(String key,
                                            Class<T> type,
                                            T defaultValue)

get enum

类型参数:

T - the generic class type

参数:

key - the key

type - the class type

defaultValue - the default value

返回:

get enum value