程序包 com.easemob.im.agora

类 Utils

java.lang.Object

com.easemob.im.agora.Utils

public class Utils
extends Object

字段概要

字段

修饰符和类型	字段	说明
static final int	APP_ID_LENGTH
static final long	HMAC_SHA256_LENGTH
static final int	VERSION_LENGTH

构造器概要

构造器

构造器	说明
Utils()

方法概要

修饰符和类型	方法	说明
static byte[]	base64Decode(String data)
static String	base64Encode(byte[] data)
static byte[]	compress(byte[] data)
static int	crc32(byte[] bytes)
static int	crc32(String data)
static byte[]	decode(byte[] src)
static byte[]	decompress(byte[] data)
static byte[]	encode(byte[] src)
static int	getTimestamp()
static byte[]	hmacSign(String keyString, byte[] msg)
static boolean	isUUID(String uuid)
static byte[]	pack(PackableEx packableEx)
static int	randomInt()
static void	unpack(byte[] data, PackableEx packableEx)

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

HMAC_SHA256_LENGTH

public static final long HMAC_SHA256_LENGTH

另请参阅:

• 常量字段值

VERSION_LENGTH

public static final int VERSION_LENGTH

另请参阅:

• 常量字段值

APP_ID_LENGTH

public static final int APP_ID_LENGTH

另请参阅:

• 常量字段值

构造器详细资料

Utils

public Utils()

方法详细资料

encode

public static byte[] encode(byte[] src)

decode

public static byte[] decode(byte[] src)

hmacSign

public static byte[] hmacSign(String keyString,
 byte[] msg)
                       throws InvalidKeyException,
NoSuchAlgorithmException

抛出:

InvalidKeyException

NoSuchAlgorithmException

pack

public static byte[] pack(PackableEx packableEx)

unpack

public static void unpack(byte[] data,
 PackableEx packableEx)

base64Encode

public static String base64Encode(byte[] data)

base64Decode

public static byte[] base64Decode(String data)

crc32

public static int crc32(String data)

crc32

public static int crc32(byte[] bytes)

getTimestamp

public static int getTimestamp()

randomInt

public static int randomInt()

isUUID

public static boolean isUUID(String uuid)

compress

public static byte[] compress(byte[] data)

decompress

public static byte[] decompress(byte[] data)