Package org.wso2.carbon.utils

Class StringUtils

java.lang.Object

org.wso2.carbon.utils.StringUtils

public class StringUtils
extends Object

This class contains utility methods for Strings.

Since:

1.0.0

Constructor Summary

Constructors

Constructor	Description
StringUtils()

Method Summary

Modifier and Type	Method	Description
static Optional<String>	getNonEmptyStringAfterTrim(String str)	Returns non-empty Optional<String>, if the given String is non-empty after applying trim() operation.
static boolean	isNullOrEmpty(String str)	Check whether the given String is null or empty.
static boolean	isNullOrEmptyAfterTrim(String str)	Check whether the given String is null of empty after the trim operation.

Methods inherited from class java.lang.Object

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

Constructor Details

StringUtils

public StringUtils()

Method Details

isNullOrEmpty

public static boolean isNullOrEmpty(String str)

Check whether the given String is null or empty.

Parameters:

str - input string

Returns:

true if the given String is null or empty.

isNullOrEmptyAfterTrim

public static boolean isNullOrEmptyAfterTrim(String str)

Check whether the given String is null of empty after the trim operation.

Parameters:

str - input string.

Returns:

'true' if the given String is null or empty after trim.

getNonEmptyStringAfterTrim

public static Optional<String> getNonEmptyStringAfterTrim(String str)

Returns non-empty Optional<String>, if the given String is non-empty after applying trim() operation.

Parameters:

str - input String.

Returns:

Optional<String>, if the given String is non-empty after applying trim() operation. If not an empty Optional<String> will be returned.