org.apache.directory.api.util

Class Chars

java.lang.Object

org.apache.directory.api.util.Chars

public final class Chars
extends java.lang.Object

Various Character methods are kept here.

Field Summary

Fields

Modifier and Type	Field and Description
private static boolean[]	ALPHA <alpha> ::= [0x41-0x5A] | [0x61-0x7A]
private static boolean[]	ALPHA_DIGIT <alpha-digit> | <digit>
private static boolean[]	ALPHA_LOWER_CASE <alpha-lower-case> ::= [0x61-0x7A]
private static boolean[]	ALPHA_UPPER_CASE <alpha-upper-case> ::= [0x41-0x5A]
private static boolean[]	CHAR <alpha> | <digit> | '-'
private static boolean[]	DIGIT '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'
private static boolean[]	HEX <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Chars()

Method Summary

Modifier and Type	Method and Description
static boolean	isAlpha(byte c) Test if the current byte is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A]
static boolean	isAlpha(char c) Test if the current character is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A]
static boolean	isAlphaASCII(byte[] bytes, int index) Test if the current character is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A]
static boolean	isAlphaASCII(char[] chars, int index) Test if the current character is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A]
static boolean	isAlphaASCII(java.lang.String string, int index) Test if the current character is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A]
static boolean	isAlphaDigit(java.lang.String string, int index) Check if the current character is an 7 bits ASCII CHAR (between 0 and 127).
static boolean	isAlphaDigitMinus(byte[] bytes, int index) Check if the current character is an 7 bits ASCII CHAR (between 0 and 127).
static boolean	isAlphaDigitMinus(char c) Check if the current character is an 7 bits ASCII CHAR (between 0 and 127).
static boolean	isAlphaDigitMinus(char[] chars, int index) Check if the current character is an 7 bits ASCII CHAR (between 0 and 127).
static boolean	isAlphaDigitMinus(java.lang.String string, int index) Check if the current character is an 7 bits ASCII CHAR (between 0 and 127).
static boolean	isAlphaLowercaseASCII(java.lang.String string, int index) Test if the current character is a lowercased Alpha character : <alpha> ::= [0x61-0x7A]
static boolean	isAlphaUppercaseASCII(java.lang.String string, int index) Test if the current character is a uppercased Alpha character : <alpha> ::= [0x61-0x7A]
static boolean	isBit(java.lang.String string, int index) Test if the current character is a bit, ie 0 or 1.
static boolean	isCharASCII(char[] chars, int index, char car) Test if the current character is equal to a specific character.
static boolean	isCharASCII(java.lang.String string, int index, char car) Test if the current character is equal to a specific character.
static boolean	isDigit(byte car) Test if the current byte is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'
static boolean	isDigit(byte[] bytes) Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'
static boolean	isDigit(byte[] bytes, int index) Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'
static boolean	isDigit(char car) Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'
static boolean	isDigit(char[] chars) Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'
static boolean	isDigit(char[] chars, int index) Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'
static boolean	isDigit(java.lang.String string, int index) Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'
static boolean	isHex(byte b) Check if the current byte is an Hex Char <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]
static boolean	isHex(byte[] bytes, int index) Check if the current character is an Hex Char <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]
static boolean	isHex(char c) Check if the current char is an Hex Char <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]
static boolean	isHex(char[] chars, int index) Check if the current character is an Hex Char <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]
static boolean	isHex(java.lang.String string, int index) Check if the current character is an Hex Char <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]
static boolean	isICharASCII(byte[] bytes, int index, char car) Test if the current character is equal to a specific character.
static boolean	isICharASCII(java.lang.String string, int index, char car) Test if the current character is equal to a specific character.
static boolean	isUnderscore(byte[] bytes, int index) Check if the current character is the ASCII character underscore 0x5F.

Methods inherited from class java.lang.Object

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

Field Detail

ALPHA

private static final boolean[] ALPHA

<alpha> ::= [0x41-0x5A] | [0x61-0x7A]

ALPHA_LOWER_CASE

private static final boolean[] ALPHA_LOWER_CASE

<alpha-lower-case> ::= [0x61-0x7A]

ALPHA_UPPER_CASE

private static final boolean[] ALPHA_UPPER_CASE

<alpha-upper-case> ::= [0x41-0x5A]

ALPHA_DIGIT

private static final boolean[] ALPHA_DIGIT

<alpha-digit> | <digit>

CHAR

private static final boolean[] CHAR

<alpha> | <digit> | '-'

DIGIT

private static final boolean[] DIGIT

'0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'

HEX

private static final boolean[] HEX

<hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]

Constructor Detail

Chars

private Chars()

Method Detail

isCharASCII

public static boolean isCharASCII(char[] chars,
                                  int index,
                                  char car)

Test if the current character is equal to a specific character.

Parameters:

chars - The buffer which contains the data

index - Current position in the buffer

car - The character we want to compare with the current buffer position

Returns:

true if the current character equals the given character.

isCharASCII

public static boolean isCharASCII(java.lang.String string,
                                  int index,
                                  char car)

Test if the current character is equal to a specific character.

Parameters:

string - The String which contains the data

index - Current position in the string

car - The character we want to compare with the current string position

Returns:

true if the current character equals the given character.

isICharASCII

public static boolean isICharASCII(java.lang.String string,
                                   int index,
                                   char car)

Test if the current character is equal to a specific character.

Parameters:

string - The String which contains the data

index - Current position in the string

car - The character we want to compare with the current string position

Returns:

true if the current character equals the given character.

isICharASCII

public static boolean isICharASCII(byte[] bytes,
                                   int index,
                                   char car)

Test if the current character is equal to a specific character.

Parameters:

bytes - The String which contains the data

index - Current position in the string

car - The character we want to compare with the current string position

Returns:

true if the current character equals the given character.

isAlpha

public static boolean isAlpha(byte c)

Test if the current byte is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A]

Parameters:

c - The byte to test

Returns:

true if the byte is an Alpha character

isAlpha

public static boolean isAlpha(char c)

Test if the current character is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A]

Parameters:

c - The char to test

Returns:

true if the character is an Alpha character

isAlphaASCII

public static boolean isAlphaASCII(byte[] bytes,
                                   int index)

Test if the current character is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A]

Parameters:

bytes - The buffer which contains the data

index - Current position in the buffer

Returns:

true if the current character is an Alpha character

isAlphaASCII

public static boolean isAlphaASCII(char[] chars,
                                   int index)

Test if the current character is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A]

Parameters:

chars - The buffer which contains the data

index - Current position in the buffer

Returns:

true if the current character is an Alpha character

isAlphaASCII

public static boolean isAlphaASCII(java.lang.String string,
                                   int index)

Test if the current character is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A]

Parameters:

string - The string which contains the data

index - Current position in the string

Returns:

true if the current character is an Alpha character

isAlphaLowercaseASCII

public static boolean isAlphaLowercaseASCII(java.lang.String string,
                                            int index)

Test if the current character is a lowercased Alpha character :
<alpha> ::= [0x61-0x7A]

Parameters:

string - The string which contains the data

index - Current position in the string

Returns:

true if the current character is a lower Alpha character

isAlphaUppercaseASCII

public static boolean isAlphaUppercaseASCII(java.lang.String string,
                                            int index)

Test if the current character is a uppercased Alpha character :
<alpha> ::= [0x61-0x7A]

Parameters:

string - The string which contains the data

index - Current position in the string

Returns:

true if the current character is a lower Alpha character

isAlphaDigit

public static boolean isAlphaDigit(java.lang.String string,
                                   int index)

Check if the current character is an 7 bits ASCII CHAR (between 0 and 127). <char> ::= <alpha> | <digit>

Parameters:

string - The string which contains the data

index - Current position in the string

Returns:

The position of the next character, if the current one is a CHAR.

isAlphaDigitMinus

public static boolean isAlphaDigitMinus(byte[] bytes,
                                        int index)

Check if the current character is an 7 bits ASCII CHAR (between 0 and 127). <char> ::= <alpha> | <digit> | '-'

Parameters:

bytes - The buffer which contains the data

index - Current position in the buffer

Returns:

The position of the next character, if the current one is a CHAR.

isAlphaDigitMinus

public static boolean isAlphaDigitMinus(char[] chars,
                                        int index)

Check if the current character is an 7 bits ASCII CHAR (between 0 and 127). <char> ::= <alpha> | <digit> | '-'

Parameters:

chars - The buffer which contains the data

index - Current position in the buffer

Returns:

The position of the next character, if the current one is a CHAR.

isAlphaDigitMinus

public static boolean isAlphaDigitMinus(java.lang.String string,
                                        int index)

Check if the current character is an 7 bits ASCII CHAR (between 0 and 127). <char> ::= <alpha> | <digit> | '-'

Parameters:

string - The string which contains the data

index - Current position in the string

Returns:

The position of the next character, if the current one is a CHAR.

isAlphaDigitMinus

public static boolean isAlphaDigitMinus(char c)

Check if the current character is an 7 bits ASCII CHAR (between 0 and 127). <char> ::= <alpha> | <digit> | '-'

Parameters:

c - The char we want to check

Returns:

The position of the next character, if the current one is a CHAR.

isBit

public static boolean isBit(java.lang.String string,
                            int index)

Test if the current character is a bit, ie 0 or 1.

Parameters:

string - The String which contains the data

index - Current position in the string

Returns:

true if the current character is a bit (0 or 1)

isDigit

public static boolean isDigit(byte[] bytes)

Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'

Parameters:

bytes - The buffer which contains the data

Returns:

true if the current character is a Digit

isDigit

public static boolean isDigit(char car)

Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'

Parameters:

car - the character to test

Returns:

true if the character is a Digit

isDigit

public static boolean isDigit(byte car)

Test if the current byte is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'

Parameters:

car - the byte to test

Returns:

true if the character is a Digit

isDigit

public static boolean isDigit(byte[] bytes,
                              int index)

Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'

Parameters:

bytes - The buffer which contains the data

index - Current position in the buffer

Returns:

true if the current character is a Digit

isDigit

public static boolean isDigit(char[] chars,
                              int index)

Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'

Parameters:

chars - The buffer which contains the data

index - Current position in the buffer

Returns:

true if the current character is a Digit

isDigit

public static boolean isDigit(java.lang.String string,
                              int index)

Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'

Parameters:

string - The string which contains the data

index - Current position in the string

Returns:

true if the current character is a Digit

isDigit

public static boolean isDigit(char[] chars)

Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'

Parameters:

chars - The buffer which contains the data

Returns:

true if the current character is a Digit

isHex

public static boolean isHex(char c)

Check if the current char is an Hex Char <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]

Parameters:

c - The char we want to check

Returns:

true if the current char is a Hex char

isHex

public static boolean isHex(byte b)

Check if the current byte is an Hex Char <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]

Parameters:

b - The byte we want to check

Returns:

true if the current byte is a Hex byte

isHex

public static boolean isHex(byte[] bytes,
                            int index)

Check if the current character is an Hex Char <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]

Parameters:

bytes - The buffer which contains the data

index - Current position in the buffer

Returns:

true if the current character is a Hex Char

isHex

public static boolean isHex(char[] chars,
                            int index)

Check if the current character is an Hex Char <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]

Parameters:

chars - The buffer which contains the data

index - Current position in the buffer

Returns:

true if the current character is a Hex Char

isHex

public static boolean isHex(java.lang.String string,
                            int index)

Check if the current character is an Hex Char <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]

Parameters:

string - The string which contains the data

index - Current position in the string

Returns:

true if the current character is a Hex Char

isUnderscore

public static boolean isUnderscore(byte[] bytes,
                                   int index)

Check if the current character is the ASCII character underscore 0x5F.

Parameters:

bytes - The buffer which contains the data

index - Current position in the buffer

Returns:

true if the current character is a the underscore