dev.paseto.jpaseto.lang

Class Strings

java.lang.Object

dev.paseto.jpaseto.lang.Strings

public final class Strings
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static java.lang.CharSequence	clean(java.lang.CharSequence str)
static java.lang.String	clean(java.lang.String str)
static boolean	hasLength(java.lang.CharSequence str) Check that the given CharSequence is neither null nor of length 0.
static boolean	hasText(java.lang.CharSequence str) Check whether the given CharSequence has actual text.
static boolean	hasText(java.lang.String str) Check whether the given String has actual text.
static java.lang.String	trimWhitespace(java.lang.String str) Trim leading and trailing whitespace from the given String.

Methods inherited from class java.lang.Object

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

Method Detail

hasLength

public static boolean hasLength(java.lang.CharSequence str)

Check that the given CharSequence is neither null nor of length 0. Note: Will return true for a CharSequence that purely consists of whitespace.

 Strings.hasLength(null) = false
 Strings.hasLength("") = false
 Strings.hasLength(" ") = true
 Strings.hasLength("Hello") = true
 

Parameters:

str - the CharSequence to check (may be null)

Returns:

true if the CharSequence is not null and has length

See Also:

hasText(String)

hasText

public static boolean hasText(java.lang.CharSequence str)

Check whether the given CharSequence has actual text. More specifically, returns true if the string not null, its length is greater than 0, and it contains at least one non-whitespace character.

 Strings.hasText(null) = false
 Strings.hasText("") = false
 Strings.hasText(" ") = false
 Strings.hasText("12345") = true
 Strings.hasText(" 12345 ") = true
 

Parameters:

str - the CharSequence to check (may be null)

Returns:

true if the CharSequence is not null, its length is greater than 0, and it does not contain whitespace only

See Also:

Character.isWhitespace(char)

hasText

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

Check whether the given String has actual text. More specifically, returns true if the string not null, its length is greater than 0, and it contains at least one non-whitespace character.

Parameters:

str - the String to check (may be null)

Returns:

true if the String is not null, its length is greater than 0, and it does not contain whitespace only

See Also:

hasText(CharSequence)

trimWhitespace

public static java.lang.String trimWhitespace(java.lang.String str)

Trim leading and trailing whitespace from the given String.

Parameters:

str - the String to check

Returns:

the trimmed String

See Also:

Character.isWhitespace(char)

clean

public static java.lang.String clean(java.lang.String str)

clean

public static java.lang.CharSequence clean(java.lang.CharSequence str)