CharUtil (0opslab-utils 1.0.0 API)

java.lang.Object
- com.opslab.CharUtil

```
public class CharUtil
extends Object
```
Various character and character sequence utilities, including char[] - byte[] conversions.

构造器概要

构造器
构造器和说明

CharUtil()

构造器
构造器和说明
`CharUtil()`

方法概要

方法
限定符和类型	方法和说明
`static boolean`	`equalsOne(char c, char[] match)` Match if one character equals to any of the given character.
`static int`	`findFirstDiff(char[] source, int index, char match)` Finds index of the first character in given array the differs from the given set of characters.
`static int`	`findFirstDiff(char[] source, int index, char[] match)` Finds index of the first character in given array the differs from the given set of characters.
`static int`	`findFirstEqual(char[] source, int index, char match)` Finds index of the first character in given array the matches any from the given set of characters.
`static int`	`findFirstEqual(char[] source, int index, char[] match)` Finds index of the first character in given array the matches any from the given set of characters.
`static boolean`	`isAlpha(char c)` Indicates whether the given character is in the `ALPHA` set.
`static boolean`	`isAlphaOrDigit(char c)`
`static boolean`	`isDigit(char c)` Indicates whether the given character is in the `DIGIT` set.
`static boolean`	`isGenericDelimiter(int c)` Indicates whether the given character is in the gen-delims set.
`static boolean`	`isHexDigit(char c)` Indicates whether the given character is the hexadecimal digit.
`static boolean`	`isLowercaseAlpha(char c)` Returns `true` if specified character is lowercase ASCII.
`static boolean`	`isPchar(char c)` Indicates whether the given character is in the pchar set.
`static boolean`	`isPropertyNameChar(char c)`
`static boolean`	`isReserved(char c)` Indicates whether the given character is in the reserved set.
`static boolean`	`isSubDelimiter(int c)` Indicates whether the given character is in the sub-delims set.
`static boolean`	`isUnreserved(char c)` Indicates whether the given character is in the unreserved set.
`static boolean`	`isUppercaseAlpha(char c)` Returns `true` if specified character is uppercase ASCII.
`static boolean`	`isWhitespace(char c)` Returns `true` if character is a white space (`<= ' '`).
`static boolean`	`isWordChar(char c)`
`static int`	`toAscii(char c)` Returns ASCII value of a char.
`static byte[]`	`toAsciiByteArray(char[] carr)` Converts char array into `ASCII` array.
`static byte[]`	`toAsciiByteArray(CharSequence charSequence)` Converts char sequence into ASCII byte array.
`static byte[]`	`toByteArray(char[] carr)` Converts char array to byte array using default Jodd encoding.
`static byte[]`	`toByteArray(char[] carr, String charset)` Converts char array to byte array using provided encoding.
`static char`	`toChar(byte b)` Converts (signed) byte to (unsigned) char.
`static char[]`	`toCharArray(byte[] barr)` Converts byte array of default Jodd encoding to char array.
`static char[]`	`toCharArray(byte[] barr, String charset)` Converts byte array of specific encoding to char array.
`static char`	`toLowerAscii(char c)` Lowers uppercase ASCII char.
`static byte[]`	`toRawByteArray(char[] carr)` Converts char array into byte array by replacing each character with two bytes.
`static char[]`	`toRawCharArray(byte[] barr)`
`static byte[]`	`toSimpleByteArray(char[] carr)` Converts char array into byte array by stripping the high byte of each character.
`static byte[]`	`toSimpleByteArray(CharSequence charSequence)` Converts char sequence into byte array.
`static char[]`	`toSimpleCharArray(byte[] barr)` Converts byte array to char array by simply extending bytes to chars.
`static char`	`toUpperAscii(char c)` Uppers lowercase ASCII char.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - CharUtil
```
public CharUtil()
```
- 方法详细资料
  - toChar
```
public static char toChar(byte b)
```
    Converts (signed) byte to (unsigned) char.
  - toSimpleByteArray
```
public static byte[] toSimpleByteArray(char[] carr)
```
    Converts char array into byte array by stripping the high byte of each character.
  - toSimpleByteArray
```
public static byte[] toSimpleByteArray(CharSequence charSequence)
```
    Converts char sequence into byte array.
    
    另请参阅:
    toSimpleByteArray(char[])
  - toSimpleCharArray
```
public static char[] toSimpleCharArray(byte[] barr)
```
    Converts byte array to char array by simply extending bytes to chars.
  - toAscii
```
public static int toAscii(char c)
```
    Returns ASCII value of a char. In case of overload, 0x3F is returned.
  - toAsciiByteArray
```
public static byte[] toAsciiByteArray(char[] carr)
```
    Converts char array into ASCII array.
  - toAsciiByteArray
```
public static byte[] toAsciiByteArray(CharSequence charSequence)
```
    Converts char sequence into ASCII byte array.
  - toRawByteArray
```
public static byte[] toRawByteArray(char[] carr)
```
    Converts char array into byte array by replacing each character with two bytes.
  - toRawCharArray
```
public static char[] toRawCharArray(byte[] barr)
```
  - toByteArray
```
public static byte[] toByteArray(char[] carr)
                          throws UnsupportedEncodingException
```
    Converts char array to byte array using default Jodd encoding.
    
    抛出:
    
    UnsupportedEncodingException
  - toByteArray
```
public static byte[] toByteArray(char[] carr,
                 String charset)
                          throws UnsupportedEncodingException
```
    Converts char array to byte array using provided encoding.
    
    抛出:
    
    UnsupportedEncodingException
  - toCharArray
```
public static char[] toCharArray(byte[] barr)
                          throws UnsupportedEncodingException
```
    Converts byte array of default Jodd encoding to char array.
    
    抛出:
    
    UnsupportedEncodingException
  - toCharArray
```
public static char[] toCharArray(byte[] barr,
                 String charset)
                          throws UnsupportedEncodingException
```
    Converts byte array of specific encoding to char array.
    
    抛出:
    
    UnsupportedEncodingException
  - equalsOne
```
public static boolean equalsOne(char c,
                char[] match)
```
    Match if one character equals to any of the given character.
    
    返回:
    true if characters match any character from given array, otherwise false
  - findFirstEqual
```
public static int findFirstEqual(char[] source,
                 int index,
                 char[] match)
```
    Finds index of the first character in given array the matches any from the given set of characters.
    
    返回:
    index of matched character or -1
  - findFirstEqual
```
public static int findFirstEqual(char[] source,
                 int index,
                 char match)
```
    Finds index of the first character in given array the matches any from the given set of characters.
    
    返回:
    index of matched character or -1
  - findFirstDiff
```
public static int findFirstDiff(char[] source,
                int index,
                char[] match)
```
    Finds index of the first character in given array the differs from the given set of characters.
    
    返回:
    index of matched character or -1
  - findFirstDiff
```
public static int findFirstDiff(char[] source,
                int index,
                char match)
```
    Finds index of the first character in given array the differs from the given set of characters.
    
    返回:
    index of matched character or -1
  - isWhitespace
```
public static boolean isWhitespace(char c)
```
    Returns true if character is a white space (<= ' '). White space definition is taken from String class (see: trim()).
  - isLowercaseAlpha
```
public static boolean isLowercaseAlpha(char c)
```
    Returns true if specified character is lowercase ASCII. If user uses only ASCIIs, it is much much faster.
  - isUppercaseAlpha
```
public static boolean isUppercaseAlpha(char c)
```
    Returns true if specified character is uppercase ASCII. If user uses only ASCIIs, it is much much faster.
  - isAlphaOrDigit
```
public static boolean isAlphaOrDigit(char c)
```
  - isWordChar
```
public static boolean isWordChar(char c)
```
  - isPropertyNameChar
```
public static boolean isPropertyNameChar(char c)
```
  - isAlpha
```
public static boolean isAlpha(char c)
```
    Indicates whether the given character is in the ALPHA set.
    
    另请参阅:
    RFC 3986, appendix A
  - isDigit
```
public static boolean isDigit(char c)
```
    Indicates whether the given character is in the DIGIT set.
    
    另请参阅:
    RFC 3986, appendix A
  - isHexDigit
```
public static boolean isHexDigit(char c)
```
    Indicates whether the given character is the hexadecimal digit.
  - isGenericDelimiter
```
public static boolean isGenericDelimiter(int c)
```
    Indicates whether the given character is in the gen-delims set.
    
    另请参阅:
    RFC 3986, appendix A
  - isSubDelimiter
```
public static boolean isSubDelimiter(int c)
```
    Indicates whether the given character is in the sub-delims set.
    
    另请参阅:
    RFC 3986, appendix A
  - isReserved
```
public static boolean isReserved(char c)
```
    Indicates whether the given character is in the reserved set.
    
    另请参阅:
    RFC 3986, appendix A
  - isUnreserved
```
public static boolean isUnreserved(char c)
```
    Indicates whether the given character is in the unreserved set.
    
    另请参阅:
    RFC 3986, appendix A
  - isPchar
```
public static boolean isPchar(char c)
```
    Indicates whether the given character is in the pchar set.
    
    另请参阅:
    RFC 3986, appendix A
  - toUpperAscii
```
public static char toUpperAscii(char c)
```
    Uppers lowercase ASCII char.
  - toLowerAscii
```
public static char toLowerAscii(char c)
```
    Lowers uppercase ASCII char.

类 CharUtil

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

CharUtil

方法详细资料

toChar

toSimpleByteArray

toSimpleByteArray

toSimpleCharArray

toAscii

toAsciiByteArray

toAsciiByteArray

toRawByteArray

toRawCharArray

toByteArray

toByteArray

toCharArray

toCharArray

equalsOne

findFirstEqual

findFirstEqual

findFirstDiff

findFirstDiff

isWhitespace

isLowercaseAlpha

isUppercaseAlpha

isAlphaOrDigit

isWordChar

isPropertyNameChar

isAlpha

isDigit

isHexDigit

isGenericDelimiter

isSubDelimiter

isReserved

isUnreserved

isPchar

toUpperAscii

toLowerAscii