java.lang.Object
- io.netty5.util.CharsetUtil

```
public final class CharsetUtil
extends Object
```
A utility class that provides various common operations and constants related with Charset and its relevant classes.

Field Summary

Fields
Modifier and Type	Field	Description
`static Charset`	`ISO_8859_1`	ISO Latin Alphabet No. 1, as known as `ISO-LATIN-1`
`static Charset`	`US_ASCII`	7-bit ASCII, as known as ISO646-US or the Basic Latin block of the Unicode character set
`static Charset`	`UTF_16`	16-bit UTF (UCS Transformation Format) whose byte order is identified by an optional byte-order mark
`static Charset`	`UTF_16BE`	16-bit UTF (UCS Transformation Format) whose byte order is big-endian
`static Charset`	`UTF_16LE`	16-bit UTF (UCS Transformation Format) whose byte order is little-endian
`static Charset`	`UTF_8`	8-bit UTF (UCS Transformation Format)

Method Summary

All Methods Static Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`static CharsetDecoder`	`decoder(Charset charset)`	Returns a cached thread-local `CharsetDecoder` for the specified `Charset`.
`static CharsetDecoder`	`decoder(Charset charset, CodingErrorAction codingErrorAction)`	Returns a new `CharsetDecoder` for the `Charset` with the specified error action.
`static CharsetDecoder`	`decoder(Charset charset, CodingErrorAction malformedInputAction, CodingErrorAction unmappableCharacterAction)`	Returns a new `CharsetDecoder` for the `Charset` with specified error actions.
`static CharsetEncoder`	`encoder(Charset charset)`	Returns a cached thread-local `CharsetEncoder` for the specified `Charset`.
`static CharsetEncoder`	`encoder(Charset charset, CodingErrorAction codingErrorAction)`	Returns a new `CharsetEncoder` for the `Charset` with the specified error action.
`static CharsetEncoder`	`encoder(Charset charset, CodingErrorAction malformedInputAction, CodingErrorAction unmappableCharacterAction)`	Returns a new `CharsetEncoder` for the `Charset` with specified error actions.
`static CharsetDecoder`	`getDecoder(Charset charset)`	Deprecated. Use `decoder(Charset)`.
`static CharsetEncoder`	`getEncoder(Charset charset)`	Deprecated. Use `encoder(Charset)`.

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

- Field Detail
  - UTF_16
```
public static final Charset UTF_16
```
    16-bit UTF (UCS Transformation Format) whose byte order is identified by an optional byte-order mark
  - UTF_16BE
```
public static final Charset UTF_16BE
```
    16-bit UTF (UCS Transformation Format) whose byte order is big-endian
  - UTF_16LE
```
public static final Charset UTF_16LE
```
    16-bit UTF (UCS Transformation Format) whose byte order is little-endian
  - UTF_8
```
public static final Charset UTF_8
```
    8-bit UTF (UCS Transformation Format)
  - ISO_8859_1
```
public static final Charset ISO_8859_1
```
    ISO Latin Alphabet No. 1, as known as ISO-LATIN-1
  - US_ASCII
```
public static final Charset US_ASCII
```
    7-bit ASCII, as known as ISO646-US or the Basic Latin block of the Unicode character set
- Method Detail
  - getEncoder
```
@Deprecated
public static CharsetEncoder getEncoder(Charset charset)
```
    Deprecated.
    Use encoder(Charset).
  - encoder
```
public static CharsetEncoder encoder(Charset charset,
                                     CodingErrorAction malformedInputAction,
                                     CodingErrorAction unmappableCharacterAction)
```
    Returns a new CharsetEncoder for the Charset with specified error actions.
    
    Parameters:
    
    charset - The specified charset
    
    malformedInputAction - The encoder's action for malformed-input errors
    
    unmappableCharacterAction - The encoder's action for unmappable-character errors
    
    Returns:
    
    The encoder for the specified charset
  - encoder
```
public static CharsetEncoder encoder(Charset charset,
                                     CodingErrorAction codingErrorAction)
```
    Returns a new CharsetEncoder for the Charset with the specified error action.
    
    Parameters:
    
    charset - The specified charset
    
    codingErrorAction - The encoder's action for malformed-input and unmappable-character errors
    
    Returns:
    
    The encoder for the specified charset
  - encoder
```
public static CharsetEncoder encoder(Charset charset)
```
    Returns a cached thread-local CharsetEncoder for the specified Charset.
    
    Parameters:
    
    charset - The specified charset
    
    Returns:
    
    The encoder for the specified charset
  - getDecoder
```
@Deprecated
public static CharsetDecoder getDecoder(Charset charset)
```
    Deprecated.
    Use decoder(Charset).
  - decoder
```
public static CharsetDecoder decoder(Charset charset,
                                     CodingErrorAction malformedInputAction,
                                     CodingErrorAction unmappableCharacterAction)
```
    Returns a new CharsetDecoder for the Charset with specified error actions.
    
    Parameters:
    
    charset - The specified charset
    
    malformedInputAction - The decoder's action for malformed-input errors
    
    unmappableCharacterAction - The decoder's action for unmappable-character errors
    
    Returns:
    
    The decoder for the specified charset
  - decoder
```
public static CharsetDecoder decoder(Charset charset,
                                     CodingErrorAction codingErrorAction)
```
    Returns a new CharsetDecoder for the Charset with the specified error action.
    
    Parameters:
    
    charset - The specified charset
    
    codingErrorAction - The decoder's action for malformed-input and unmappable-character errors
    
    Returns:
    
    The decoder for the specified charset
  - decoder
```
public static CharsetDecoder decoder(Charset charset)
```
    Returns a cached thread-local CharsetDecoder for the specified Charset.
    
    Parameters:
    
    charset - The specified charset
    
    Returns:
    
    The decoder for the specified charset

Class CharsetUtil

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

UTF_16

UTF_16BE

UTF_16LE

UTF_8

ISO_8859_1

US_ASCII

Method Detail

getEncoder

encoder

encoder

encoder

getDecoder

decoder

decoder

decoder