org.junit.gen5.commons.util

Class StringUtils

java.lang.Object

org.junit.gen5.commons.util.StringUtils

@API(value=Internal)
public final class StringUtils
extends java.lang.Object

Collection of utilities for working with Strings, CharSequences, etc.

DISCLAIMER

These utilities are intended solely for usage within the JUnit framework itself. Any usage by external parties is not supported. Use at your own risk!

Since:

5.0

Method Summary

Modifier and Type	Method and Description
static boolean	isBlank(java.lang.String str) Determine if the supplied String is blank (i.e., null or consisting only of whitespace characters).
static boolean	isEmpty(java.lang.CharSequence charSequence) Determine if the supplied CharSequence is empty (i.e., null or zero-length).
static boolean	isNotBlank(java.lang.String str) Determine if the supplied String is not blank.
static boolean	isNotEmpty(java.lang.CharSequence charSequence) Determine if the supplied CharSequence is not empty.
static java.lang.String	nullSafeToString(java.lang.Class<?>... classes) Generate a comma-separated list of class names for the supplied classes.

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(java.lang.CharSequence charSequence)

Determine if the supplied CharSequence is empty (i.e., null or zero-length).

Parameters:

charSequence - the CharSequence to check

Returns:

true if the CharSequence is empty

See Also:

isNotEmpty(CharSequence), isBlank(String)

isNotEmpty

public static boolean isNotEmpty(java.lang.CharSequence charSequence)

Determine if the supplied CharSequence is not empty.

Parameters:

charSequence - the CharSequence to check

Returns:

true if the CharSequence is not empty

See Also:

isEmpty(CharSequence), isNotBlank(String)

isBlank

public static boolean isBlank(java.lang.String str)

Determine if the supplied String is blank (i.e., null or consisting only of whitespace characters).

Parameters:

str - the string to check

Returns:

true if the string is blank

See Also:

isNotBlank(String), isEmpty(CharSequence)

isNotBlank

public static boolean isNotBlank(java.lang.String str)

Determine if the supplied String is not blank.

Parameters:

str - the string to check

Returns:

true if the string is not blank

See Also:

isBlank(String), isEmpty(CharSequence)

nullSafeToString

public static java.lang.String nullSafeToString(java.lang.Class<?>... classes)

Generate a comma-separated list of class names for the supplied classes.

Parameters:

classes - the classes whose names should be included in the generated string

Returns:

a comma-separated list of class names, or an empty string if the supplied class array is null or empty