ByteUtil

java.lang.Object
- net.sf.rubycollect4j.util.ByteUtil

```
public final class ByteUtil
extends java.lang.Object
```
ByteUtil provides functions to manipulate bytes or to convert variety Objects into bytes.

Method Summary

Methods
Modifier and Type	Method and Description
`static byte[]`	`fromBinaryString(java.lang.String binaryStr)` Converts a binary string into byte array.
`static byte[]`	`fromHexString(java.lang.String hexStr)` Converts a hexadecimal string into byte array.
`static byte[]`	`ljust(byte[] bytes, int width)` Modifies the length of a byte array by padding zero bytes to the right.
`static void`	`reverse(byte[] bytes)` Reverses a byte array in place.
`static byte[]`	`rjust(byte[] bytes, int width)` Modifies the length of a byte array by padding zero bytes to the left.
`static byte[]`	`toArray(java.util.Collection<? extends java.lang.Number> bytes)` Converts a Collection of Number to a byte array.
`static java.lang.String`	`toASCII8Bit(byte b)` Encodes a byte to ASCII-8Bit String character.
`static java.lang.String`	`toBinaryString(byte[] bytes)` Converts byte array to a binary String by MSB order.
`static java.lang.String`	`toBinaryString(byte[] bytes, boolean isMSB)` Converts a byte array to a binary String.
`static byte[]`	`toByteArray(boolean b)` Converts a boolean into a byte array.
`static byte[]`	`toByteArray(byte b)` Converts a byte into a byte array.
`static byte[]`	`toByteArray(char c)` Converts a char into a byte array by big-endian byte order.
`static byte[]`	`toByteArray(char c, java.nio.ByteOrder bo)` Converts a char into a byte array.
`static byte[]`	`toByteArray(double d)` Converts a double into a byte array by big-endian byte order.
`static byte[]`	`toByteArray(double d, java.nio.ByteOrder bo)` Converts a double into a byte array.
`static byte[]`	`toByteArray(float f)` Converts a float into a byte array by big-endian byte order.
`static byte[]`	`toByteArray(float f, java.nio.ByteOrder bo)` Converts a float into a byte array.
`static byte[]`	`toByteArray(int i)` Converts an int into a byte array by big-endian byte order.
`static byte[]`	`toByteArray(int i, java.nio.ByteOrder bo)` Converts an int into a byte array.
`static byte[]`	`toByteArray(long l)` Converts a long into a byte array by big-endian byte order.
`static byte[]`	`toByteArray(long l, java.nio.ByteOrder bo)` Converts a long into a byte array.
`static byte[]`	`toByteArray(java.lang.Object o)` Converts an Object into a byte array by big-endian byte order.
`static byte[]`	`toByteArray(java.lang.Object o, java.nio.ByteOrder bo)` Converts an Object into a byte array.
`static byte[]`	`toByteArray(short s)` Converts a short into a byte array by big-endian byte order.
`static byte[]`	`toByteArray(short s, java.nio.ByteOrder bo)` Converts a short into a byte array.
`static byte[]`	`toByteArray(java.lang.String s)` Converts a String into a byte array.
`static java.lang.String`	`toExtendedASCIIs(byte[] bytes, int n, java.nio.ByteOrder bo)` Converts a byte array into an ASCII String.
`static java.lang.String`	`toHexString(byte[] bytes)` Converts a byte array to a hex String by HNF order.
`static java.lang.String`	`toHexString(byte[] bytes, boolean isHNF)` Converts a byte array to a hex String.
`static RubyArray<java.lang.Byte>`	`toList(byte[] bytes)` Converts a byte array to a `RubyArray` of Byte.
`static java.lang.String`	`toUTF(byte[] bytes)` Converts a byte array into an UTF String.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - toList
```
public static RubyArray<java.lang.Byte> toList(byte[] bytes)
```
    Converts a byte array to a RubyArray of Byte.
    
    Parameters:
    bytes - a byte array
    
    Returns:
    RubyArray of Byte
  - toArray
```
public static byte[] toArray(java.util.Collection<? extends java.lang.Number> bytes)
```
    Converts a Collection of Number to a byte array.
    
    Parameters:
    bytes - a Collection of Number
    
    Returns:
    byte array
  - ljust
```
public static byte[] ljust(byte[] bytes,
           int width)
```
    Modifies the length of a byte array by padding zero bytes to the right.
    
    Parameters:
    bytes - a byte array
    width - of the new byte array
    
    Returns:
    new byte array
  - rjust
```
public static byte[] rjust(byte[] bytes,
           int width)
```
    Modifies the length of a byte array by padding zero bytes to the left.
    
    Parameters:
    bytes - a byte array
    width - of the new byte array
    
    Returns:
    new byte array
  - reverse
```
public static void reverse(byte[] bytes)
```
    Reverses a byte array in place.
    
    Parameters:
    bytes - to be reversed
  - toByteArray
```
public static byte[] toByteArray(byte b)
```
    Converts a byte into a byte array.
    
    Parameters:
    b - a byte
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(short s)
```
    Converts a short into a byte array by big-endian byte order.
    
    Parameters:
    s - a short
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(short s,
                 java.nio.ByteOrder bo)
```
    Converts a short into a byte array.
    
    Parameters:
    s - a short
    bo - a ByteOrder
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(int i)
```
    Converts an int into a byte array by big-endian byte order.
    
    Parameters:
    i - an int
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(int i,
                 java.nio.ByteOrder bo)
```
    Converts an int into a byte array.
    
    Parameters:
    i - an int
    bo - a ByteOrder
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(long l)
```
    Converts a long into a byte array by big-endian byte order.
    
    Parameters:
    l - a long
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(long l,
                 java.nio.ByteOrder bo)
```
    Converts a long into a byte array.
    
    Parameters:
    l - a long
    bo - a ByteOrder
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(float f)
```
    Converts a float into a byte array by big-endian byte order.
    
    Parameters:
    f - a float
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(float f,
                 java.nio.ByteOrder bo)
```
    Converts a float into a byte array.
    
    Parameters:
    f - a float
    bo - a ByteOrder
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(double d)
```
    Converts a double into a byte array by big-endian byte order.
    
    Parameters:
    d - a double
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(double d,
                 java.nio.ByteOrder bo)
```
    Converts a double into a byte array.
    
    Parameters:
    d - a double
    bo - a ByteOrder
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(boolean b)
```
    Converts a boolean into a byte array.
    
    Parameters:
    b - a boolean
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(char c)
```
    Converts a char into a byte array by big-endian byte order.
    
    Parameters:
    c - a char
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(char c,
                 java.nio.ByteOrder bo)
```
    Converts a char into a byte array.
    
    Parameters:
    c - a char
    bo - a ByteOrder
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(java.lang.String s)
```
    Converts a String into a byte array.
    
    Parameters:
    s - a String
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(java.lang.Object o)
```
    Converts an Object into a byte array by big-endian byte order. ByteOrder only affects on Java Number. If this Object is not a Java primitive wrapper Object, a reflection will be performed to search any method which returns a byte[] and call it directly. Under this circumstance, the ByteOrder won't take effect too.
    
    Parameters:
    o - any Object
    
    Returns:
    byte array
  - toByteArray
```
public static byte[] toByteArray(java.lang.Object o,
                 java.nio.ByteOrder bo)
```
    Converts an Object into a byte array. ByteOrder only affects on Java Number. If this Object is not a Java primitive wrapper Object, a reflection will be performed to search any method which returns a byte[] and call it directly. Under this circumstance, the ByteOrder won't take effect too.
    
    Parameters:
    o - an Object
    bo - a ByteOrder
    
    Returns:
    byte array
    
    Throws:
    
    javax.xml.bind.TypeConstraintException - if the Object can't be converted into bytes
  - toASCII8Bit
```
public static java.lang.String toASCII8Bit(byte b)
```
    Encodes a byte to ASCII-8Bit String character.
    
    Parameters:
    b - any byte
    
    Returns:
    ISO-8859-1 String character
  - toExtendedASCIIs
```
public static java.lang.String toExtendedASCIIs(byte[] bytes,
                                int n,
                                java.nio.ByteOrder bo)
```
    Converts a byte array into an ASCII String.
    
    Parameters:
    bytes - used to be converted
    n - length of ASCII String
    bo - a ByteOrder
    
    Returns:
    ASCII String
  - toUTF
```
public static java.lang.String toUTF(byte[] bytes)
```
    Converts a byte array into an UTF String.
    
    Parameters:
    bytes - used to be converted
    
    Returns:
    UTF String
    
    Throws:
    
    java.lang.IllegalArgumentException - if codePoint is less than 0 or greater than 0X10FFFF
  - toBinaryString
```
public static java.lang.String toBinaryString(byte[] bytes)
```
    Converts byte array to a binary String by MSB order.
    
    Parameters:
    bytes - a byte array
    
    Returns:
    binary String
  - toBinaryString
```
public static java.lang.String toBinaryString(byte[] bytes,
                              boolean isMSB)
```
    Converts a byte array to a binary String.
    
    Parameters:
    bytes - a byte array
    isMSB - true if MSB, false if LSB
    
    Returns:
    binary String
  - toHexString
```
public static java.lang.String toHexString(byte[] bytes)
```
    Converts a byte array to a hex String by HNF order.
    
    Parameters:
    bytes - a byte array
    
    Returns:
    hex String
  - toHexString
```
public static java.lang.String toHexString(byte[] bytes,
                           boolean isHNF)
```
    Converts a byte array to a hex String.
    
    Parameters:
    bytes - a byte array
    isHNF - true if HNF(high nibble first), false if LNF(low nibble first)
    
    Returns:
    hex String
  - fromBinaryString
```
public static byte[] fromBinaryString(java.lang.String binaryStr)
```
    Converts a binary string into byte array.
    
    Parameters:
    binaryStr - a binary string
    
    Returns:
    byte array
    
    Throws:
    
    java.lang.IllegalArgumentException - if binary string is invalid
  - fromHexString
```
public static byte[] fromHexString(java.lang.String hexStr)
```
    Converts a hexadecimal string into byte array.
    
    Parameters:
    hexStr - a hexadecimal string
    
    Returns:
    byte array
    
    Throws:
    
    java.lang.IllegalArgumentException - if hexadecimal string is invalid

Class ByteUtil

Method Summary

Methods inherited from class java.lang.Object

Method Detail

toList

toArray

ljust

rjust

reverse

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toByteArray

toASCII8Bit

toExtendedASCIIs

toUTF

toBinaryString

toBinaryString

toHexString

toHexString

fromBinaryString

fromHexString