ContentEncoder

All Known Subinterfaces:

FileContentEncoder, Http1StreamChannel<OutgoingMessage>

All Known Implementing Classes:

AbstractContentEncoder, ChunkEncoder, IdentityEncoder, LengthDelimitedEncoder, ServerHttp1StreamDuplexer.DelayedOutputChannel
```
public interface ContentEncoder
```
Abstract HTTP content encoder. HTTP content encoders can be used to apply the required coding transformation and write entity content to the underlying channel in small chunks.

Since:

4.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`complete(java.util.List<? extends Header> trailers)`	Terminates the content stream.
`boolean`	`isCompleted()`	Returns `true` if the entity has been transferred in its entirety.
`int`	`write(java.nio.ByteBuffer src)`	Writes a portion of entity content to the underlying channel.

- Method Detail
  - write
```
int write(java.nio.ByteBuffer src)
   throws java.io.IOException
```
    Writes a portion of entity content to the underlying channel.
    
    Parameters:
    
    src - The buffer from which content is to be retrieved
    
    Returns:
    
    The number of bytes read, possibly zero
    
    Throws:
    
    java.io.IOException - if I/O error occurs while writing content
  - complete
```
void complete(java.util.List<? extends Header> trailers)
       throws java.io.IOException
```
    Terminates the content stream.
    
    Throws:
    
    java.io.IOException - if I/O error occurs while writing content
  - isCompleted
```
boolean isCompleted()
```
    Returns true if the entity has been transferred in its entirety.
    
    Returns:
    
    true if all the content has been produced, false otherwise.