org.apache.directory.shared.util
Class Chars

java.lang.Object
  org.apache.directory.shared.util.Chars

public final class Chars
extends Object

Various Character methods are kept here.

Author:

Apache Directory Project

Field Summary

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

Constructor Summary

Chars()

Method Summary

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(String string, int index) Test if the current character is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A]
static boolean	isAlphaDigit(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[] chars, int index) Check if the current character is an 7 bits ASCII CHAR (between 0 and 127).
static boolean	isAlphaDigitMinus(String string, int index) Check if the current character is an 7 bits ASCII CHAR (between 0 and 127).
static boolean	isAlphaLowercaseASCII(String string, int index) Test if the current character is a lowercased Alpha character : <alpha> ::= [0x61-0x7A]
static boolean	isAlphaUppercaseASCII(String string, int index) Test if the current character is a uppercased Alpha character : <alpha> ::= [0x61-0x7A]
static boolean	isBit(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)
static boolean	isCharASCII(String string, int index, char car) Test if the current character is equal to a specific character.
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(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[] chars, int index) Check if the current character is an Hex Char <hex> ::= [0x30-0x39] | [0x41-0x46] | [0x61-0x66]
static boolean	isHex(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(String string, int index, char car) Test if the current character is equal to a specific character.

Methods inherited from class java.lang.Object

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

Field Detail

ALPHA

public static final boolean[] ALPHA

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

ALPHA_LOWER_CASE

public static final boolean[] ALPHA_LOWER_CASE

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

ALPHA_UPPER_CASE

public static final boolean[] ALPHA_UPPER_CASE

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

ALPHA_DIGIT

public static final boolean[] ALPHA_DIGIT

<alpha-digit> | <digit>

CHAR

public static final boolean[] CHAR

<alpha> | <digit> | '-'

DIGIT

public static final boolean[] DIGIT

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

HEX

public static final boolean[] HEX

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

Constructor Detail

Chars

public Chars()

Method Detail

isCharASCII

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

isCharASCII

public static boolean isCharASCII(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(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(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(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(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(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(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.

isBit

public static boolean isBit(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[] 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(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(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(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