io.lettuce.core

Class LettuceStrings

java.lang.Object

io.lettuce.core.LettuceStrings

Deprecated.

since 5.3.2, this class will move into io.lettuce.core.internal with Lettuce 6.

@Deprecated
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	arrayToDelimitedString(Object[] arr, String delim) Deprecated. Convert a String array into a delimited String (e.g.
static String	collectionToDelimitedString(Collection<?> coll, String delim, String prefix, String suffix) Deprecated. Convert a Collection to a delimited String (e.g.
static String	digest(byte[] script) Deprecated. Create SHA1 digest from Lua script.
static String	digest(ByteBuffer script) Deprecated. Create SHA1 digest from Lua script.
static boolean	isEmpty(CharSequence cs) Deprecated. Checks if a CharSequence is empty ("") or null.
static boolean	isNotEmpty(CharSequence cs) Deprecated. Checks if a CharSequence is not empty ("") and not null.
static String	string(double n) Deprecated. Convert double to String.
static double	toDouble(String s) Deprecated. 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)

Deprecated.

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

Parameters:

cs - the char sequence.

Returns:

true if empty.

isNotEmpty

public static boolean isNotEmpty(CharSequence cs)

Deprecated.

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)

Deprecated.

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)

Deprecated.

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

Parameters:

s - string representation of the number.

Returns:

the double value.

Since:

4.3.3

digest

public static String digest(byte[] script)

Deprecated.

Create SHA1 digest from Lua script.

Parameters:

script - the script.

Returns:

the Base16 encoded SHA1 value.

digest

public static String digest(ByteBuffer script)

Deprecated.

Create SHA1 digest from Lua script.

Parameters:

script - the script.

Returns:

the Base16 encoded SHA1 value.

arrayToDelimitedString

public static String arrayToDelimitedString(Object[] arr,
                                            String delim)

Deprecated.

Convert a String array into a delimited String (e.g. CSV).

Useful for toString() implementations.

Parameters:

arr - the array to display.

delim - the delimiter to use (typically a ",").

Returns:

the delimited String.

collectionToDelimitedString

public static String collectionToDelimitedString(Collection<?> coll,
                                                 String delim,
                                                 String prefix,
                                                 String suffix)

Deprecated.

Convert a Collection to a delimited String (e.g. CSV).

Useful for toString() implementations.

Parameters:

coll - the Collection to convert.

delim - the delimiter to use (typically a ",").

prefix - the String to start each element with.

suffix - the String to end each element with.

Returns:

the delimited String.