org.apache.hc.core5.http.nio

接口 ContentDecoder

所有已知子接口:

FileContentDecoder

所有已知实现类:

AbstractContentDecoder, ChunkDecoder, IdentityDecoder, LengthDelimitedDecoder

public interface ContentDecoder

Abstract HTTP content decoder. HTTP content decoders can be used to read entity content from the underlying channel in small chunks and apply the required coding transformation.

从以下版本开始:

4.0

方法概要

限定符和类型	方法和说明
List<? extends Header>	getTrailers() Returns content trailers if available
boolean	isCompleted() Returns true if the entity has been received in its entirety.
int	read(ByteBuffer dst) Reads a portion of content from the underlying channel

方法详细资料

read

int read(ByteBuffer dst)
  throws IOException

Reads a portion of content from the underlying channel

参数:

dst - The buffer into which entity content is to be transferred

返回:

The number of bytes read, possibly zero, or -1 if the channel has reached end-of-stream

抛出:

IOException - if I/O error occurs while reading content

isCompleted

boolean isCompleted()

Returns true if the entity has been received in its entirety.

返回:

true if all the content has been consumed, false otherwise.

getTrailers

List<? extends Header> getTrailers()

Returns content trailers if available

返回:

list of trailers

从以下版本开始:

5.0