com.ericramirezs.commando4j.util

Interface StringUtils

public interface StringUtils

Method Summary

Modifier and Type	Method and Description
static String	coalesce(String... s) Evaluates the arguments in order and returns the current value of the first expression that initially doesn't evaluate to null, empty or whitespace.
static boolean	isNullOrEmpty(String s) Indicates whether the specified string is null or an empty string ("").
static boolean	isNullOrWhiteSpace(String s) Indicates whether a specified string is null, empty, or consists only of white-space characters.

Method Detail

isNullOrEmpty

static boolean isNullOrEmpty(String s)

Indicates whether the specified string is null or an empty string ("").

Parameters:

s - The string to test.

Returns:

true if the value parameter is null or an empty string (""); otherwise, false.

isNullOrWhiteSpace

static boolean isNullOrWhiteSpace(String s)

Indicates whether a specified string is null, empty, or consists only of white-space characters.

Parameters:

s - The string to test.

Returns:

true if the value parameter is null or Empty, or if value consists exclusively of white-space characters.

coalesce

static String coalesce(String... s)

Evaluates the arguments in order and returns the current value of the first expression that initially doesn't evaluate to null, empty or whitespace.

Parameters:

s - Array of string objects

Returns:

first expression that doesn't evaluate to null, empty or whitespace. Null otherwise.