Package org.eclipse.rdf4j.common.text

Class ASCIIUtil

java.lang.Object

org.eclipse.rdf4j.common.text.ASCIIUtil

public class ASCIIUtil
extends Object

Utility methods for ASCII character checking.

Constructor Summary

Constructors

Constructor	Description
ASCIIUtil()

Method Summary

Modifier and Type	Method	Description
static boolean	isHex(int c)	Check whether the supplied character is a Hexadecimal character.
static boolean	isLetter(int c)	Checks whether the supplied character is a letter.
static boolean	isLetterOrNumber(int c)	Checks whether the supplied character is a letter or number.
static boolean	isLowerCaseLetter(int c)	Checks whether the supplied character is an lower-case letter.
static boolean	isNumber(int c)	Checks whether the supplied character is a number.
static boolean	isUpperCaseLetter(int c)	Checks whether the supplied character is an upper-case letter.

Methods inherited from class java.lang.Object

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

Constructor Details

ASCIIUtil

public ASCIIUtil()

Method Details

isLetterOrNumber

public static boolean isLetterOrNumber(int c)

Checks whether the supplied character is a letter or number.

Parameters:

c - character

Returns:

true if the character is a letter or a number

See Also:

• isLetter(int)
• isNumber(int)

isLetter

public static boolean isLetter(int c)

Checks whether the supplied character is a letter.

Parameters:

c - character

Returns:

true if the character is in the range [a-z] or [A-Z]

isUpperCaseLetter

public static boolean isUpperCaseLetter(int c)

Checks whether the supplied character is an upper-case letter.

Parameters:

c - character

Returns:

true if the character is in the range [A-Z]

isLowerCaseLetter

public static boolean isLowerCaseLetter(int c)

Checks whether the supplied character is an lower-case letter.

Parameters:

c - character

Returns:

true if the character is in the range [a-z]

isNumber

public static boolean isNumber(int c)

Checks whether the supplied character is a number.

Parameters:

c - character

Returns:

true if the character is in the range [0-9]

isHex

public static boolean isHex(int c)

Check whether the supplied character is a Hexadecimal character.

Parameters:

c - character

Returns:

true if c is a hexadecimal character, false otherwise.