Module io.helidon.common.buffers

Package io.helidon.common.buffers

Class Ascii

java.lang.Object

io.helidon.common.buffers.Ascii

public final class Ascii
extends Object

Extracted from Guava.

Static methods pertaining to ASCII characters (those in the range of values 0x00 through 0x7F), and to strings containing such characters. original author Craig Berry original author Gregory Kick original since 7.0

Method Summary

Modifier and Type	Method	Description
static boolean	isLowerCase(char c)	Indicates whether c is one of the twenty-six lowercase ASCII alphabetic characters between 'a' and 'z' inclusive.
static boolean	isUpperCase(char c)	Indicates whether c is one of the twenty-six uppercase ASCII alphabetic characters between 'A' and 'Z' inclusive.
static char	toLowerCase(char c)	If the argument is an uppercase ASCII character returns the lowercase equivalent.
static String	toLowerCase(CharSequence chars)	Returns a copy of the input character sequence in which all uppercase ASCII characters have been converted to lowercase.
static String	toLowerCase(String string)	Returns a copy of the input string in which all uppercase ASCII characters have been converted to lowercase.
static char	toUpperCase(char c)	If the argument is a lowercase ASCII character returns the uppercase equivalent.
static String	toUpperCase(CharSequence chars)	Returns a copy of the input character sequence in which all lowercase ASCII characters have been converted to uppercase.
static String	toUpperCase(String string)	Returns a copy of the input string in which all lowercase ASCII characters have been converted to uppercase.

Methods inherited from class java.lang.Object

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

Method Details

toLowerCase

public static String toLowerCase(String string)

Returns a copy of the input string in which all uppercase ASCII characters have been converted to lowercase. All other characters are copied without modification.

Parameters:

string - string to lower case

Returns:

lower cased string

toUpperCase

public static String toUpperCase(CharSequence chars)

Returns a copy of the input character sequence in which all lowercase ASCII characters have been converted to uppercase. All other characters are copied without modification.

Parameters:

chars - character sequence to upper case

Returns:

uppercase case value original since 14.0

toUpperCase

public static String toUpperCase(String string)

Returns a copy of the input string in which all lowercase ASCII characters have been converted to uppercase. All other characters are copied without modification.

Parameters:

string - string to upper case

Returns:

upper cased string

toLowerCase

public static String toLowerCase(CharSequence chars)

Returns a copy of the input character sequence in which all uppercase ASCII characters have been converted to lowercase. All other characters are copied without modification.

Parameters:

chars - character sequence to lower case

Returns:

lower case value original since 14.0

toLowerCase

public static char toLowerCase(char c)

If the argument is an uppercase ASCII character returns the lowercase equivalent. Otherwise returns the argument.

Parameters:

c - character

Returns:

character as a lower case

isLowerCase

public static boolean isLowerCase(char c)

Indicates whether c is one of the twenty-six lowercase ASCII alphabetic characters between 'a' and 'z' inclusive. All others (including non-ASCII characters) return false.

Parameters:

c - character to check

Returns:

whether the character is lower case

toUpperCase

public static char toUpperCase(char c)

If the argument is a lowercase ASCII character returns the uppercase equivalent. Otherwise returns the argument.

Parameters:

c - character

Returns:

character as a lower case

isUpperCase

public static boolean isUpperCase(char c)

Indicates whether c is one of the twenty-six uppercase ASCII alphabetic characters between 'A' and 'Z' inclusive. All others (including non-ASCII characters) return false.

Parameters:

c - character to check

Returns:

whether the character is upper case