HuffmanEncoder (Jetty :: Project 9.4.55.v20240627 API)

java.lang.Object
- org.eclipse.jetty.http.compression.HuffmanEncoder

```
public class HuffmanEncoder
extends java.lang.Object
```
Used to encode strings Huffman encoding.

Characters are encoded with ISO-8859-1, if any multi-byte characters or control characters are present the encoder will throw EncodingException.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`encode(java.nio.ByteBuffer buffer, java.lang.String s)`
`static void`	`encodeLowerCase(java.nio.ByteBuffer buffer, java.lang.String s)`
`static int`	`octetsNeeded(byte[] b)`
`static int`	`octetsNeeded(java.lang.String s)`
`static int`	`octetsNeededLowerCase(java.lang.String s)`

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

- Method Detail
  - octetsNeeded
```
public static int octetsNeeded(java.lang.String s)
```
    Parameters:
    
    s - the string to encode.
    
    Returns:
    
    the number of octets needed to encode the string, or -1 if it cannot be encoded.
  - octetsNeeded
```
public static int octetsNeeded(byte[] b)
```
    Parameters:
    
    b - the byte array to encode.
    
    Returns:
    
    the number of octets needed to encode the bytes, or -1 if it cannot be encoded.
  - encode
```
public static void encode(java.nio.ByteBuffer buffer,
                          java.lang.String s)
```
    Parameters:
    
    buffer - the buffer to encode into.
    
    s - the string to encode.
  - octetsNeededLowerCase
```
public static int octetsNeededLowerCase(java.lang.String s)
```
    Parameters:
    
    s - the string to encode in lowercase.
    
    Returns:
    
    the number of octets needed to encode the string, or -1 if it cannot be encoded.
  - encodeLowerCase
```
public static void encodeLowerCase(java.nio.ByteBuffer buffer,
                                   java.lang.String s)
```
    Parameters:
    
    buffer - the buffer to encode into in lowercase.
    
    s - the string to encode.