Package org.glassfish.grizzly.http2.hpack

Class Huffman

java.lang.Object

org.glassfish.grizzly.http2.hpack.Huffman

public final class Huffman
extends Object

Huffman coding table.

Instances of this class are safe for use by multiple threads.

Field Summary

Fields

Modifier and Type	Field	Description
static final Huffman	INSTANCE	Shared instance.

Method Summary

Modifier and Type	Method	Description
int	lengthOf(CharSequence value)	Calculates the number of bytes required to represent the given CharSequence with the Huffman coding.
int	lengthOf(CharSequence value, int start, int end)	Calculates the number of bytes required to represent a sub-sequence of the given CharSequence with the Huffman coding.

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final Huffman INSTANCE

Shared instance.

Method Details

lengthOf

public int lengthOf(CharSequence value)

Calculates the number of bytes required to represent the given CharSequence with the Huffman coding.

Parameters:

value - characters

Returns:

number of bytes

Throws:

NullPointerException - if the value is null

lengthOf

public int lengthOf(CharSequence value,
 int start,
 int end)

Calculates the number of bytes required to represent a sub-sequence of the given CharSequence with the Huffman coding.

Parameters:

value - characters

start - the start index, inclusive

end - the end index, exclusive

Returns:

number of bytes

Throws:

NullPointerException - if the value is null

IndexOutOfBoundsException - if any invocation of value.charAt(i), where start <= i < end would throw an IndexOutOfBoundsException