com.lambdaworks.redis

Class LettuceStrings

java.lang.Object

com.lambdaworks.redis.LettuceStrings

public class LettuceStrings
extends Object

Helper for String checks. This class is part of the internal API and may change without further notice.

Since:

3.0

Author:

Mark Paluch

Method Summary

Modifier and Type	Method and Description
static String	digest(byte[] script) Create SHA1 digest from Lua script.
static String	digest(ByteBuffer script) Create SHA1 digest from Lua script.
static boolean	isEmpty(CharSequence cs) Checks if a CharSequence is empty ("") or null.
static boolean	isNotEmpty(CharSequence cs) Checks if a CharSequence is not empty ("") and not null.
static String	string(double n) Convert double to String.
static double	toDouble(String s) Convert String to double.

Methods inherited from class java.lang.Object

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

Method Detail

isEmpty

public static boolean isEmpty(CharSequence cs)

Checks if a CharSequence is empty ("") or null.

Parameters:

cs - the char sequence

Returns:

true if empty

isNotEmpty

public static boolean isNotEmpty(CharSequence cs)

Checks if a CharSequence is not empty ("") and not null.

Parameters:

cs - the char sequence

Returns:

true if not empty

string

public static String string(double n)

Convert double to String. If n is infinite, returns positive/negative infinity +inf and -inf.

Parameters:

n - the double.

Returns:

string representation of n

toDouble

public static double toDouble(String s)

Convert String to double. If s is +inf/-inf, returns positive/negative infinity.

Parameters:

s - string representation of the number

Returns:

the double value.

Since:

4.3.3

digest

public static String digest(byte[] script)

Create SHA1 digest from Lua script.

Parameters:

script - the script

Returns:

the Base16 encoded SHA1 value

digest

public static String digest(ByteBuffer script)

Create SHA1 digest from Lua script.

Parameters:

script - the script

Returns:

the Base16 encoded SHA1 value