cn.leancloud.utils

类 AVUtils

java.lang.Object

cn.leancloud.utils.AVUtils

public class AVUtils
extends Object

字段概要

字段

限定符和类型	字段和说明
static double	earthMeanRadiusInKM

构造器概要

构造器

构造器和说明
AVUtils()

方法概要

限定符和类型	方法和说明
static Map<String,Object>	createMap(String cmp, Object value)
static Map<String,Object>	createStringObjectMap(String key, Object value)
static double	distance(double lat1, double lat2, double lon1, double lon2, double el1, double el2)
static void	ensureElementsNotNull(List<String> e, String errorLog)
static boolean	equals(Object a, Object b)
static long	getCurrentTimestamp()
static String	getJSONString(Map<String,Object> parameters)
static int	hash(Object... values)
static String	jsonStringFromMapWithNull(Object map)
static String	jsonStringFromObjectWithNull(Object map)

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

earthMeanRadiusInKM

public static final double earthMeanRadiusInKM

另请参阅:

常量字段值

构造器详细资料

AVUtils

public AVUtils()

方法详细资料

distance

public static double distance(double lat1,
                              double lat2,
                              double lon1,
                              double lon2,
                              double el1,
                              double el2)

getJSONString

public static String getJSONString(Map<String,Object> parameters)

createMap

public static Map<String,Object> createMap(String cmp,
                                           Object value)

createStringObjectMap

public static Map<String,Object> createStringObjectMap(String key,
                                                       Object value)

jsonStringFromMapWithNull

public static String jsonStringFromMapWithNull(Object map)

jsonStringFromObjectWithNull

public static String jsonStringFromObjectWithNull(Object map)

getCurrentTimestamp

public static long getCurrentTimestamp()

equals

public static boolean equals(Object a,
                             Object b)

hash

public static int hash(Object... values)

ensureElementsNotNull

public static void ensureElementsNotNull(List<String> e,
                                         String errorLog)