ZlibEncoder (Netty API Reference (4.2.1.Final))

java.lang.Object
- io.netty.channel.ChannelHandlerAdapter
- - io.netty.channel.ChannelOutboundHandlerAdapter
  - - io.netty.handler.codec.MessageToByteEncoder<ByteBuf>
    - - io.netty.handler.codec.compression.ZlibEncoder

All Implemented Interfaces:

ChannelHandler, ChannelOutboundHandler

Direct Known Subclasses:

JdkZlibEncoder, JZlibEncoder
```
public abstract class ZlibEncoder
extends MessageToByteEncoder<ByteBuf>
```
Compresses a ByteBuf using the deflate algorithm.

Nested Class Summary
- Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler
  ChannelHandler.Sharable

Constructor Summary

Constructors
Modifier Constructor Description

protected ZlibEncoder()

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`abstract ChannelFuture`	`close()`	Close this `ZlibEncoder` and so finish the encoding.
`abstract ChannelFuture`	`close(ChannelPromise promise)`	Close this `ZlibEncoder` and so finish the encoding.
`abstract boolean`	`isClosed()`	Returns `true` if and only if the end of the compressed stream has been reached.

Methods inherited from class io.netty.handler.codec.MessageToByteEncoder
acceptOutboundMessage, allocateBuffer, encode, isPreferDirect, write

Methods inherited from class io.netty.channel.ChannelOutboundHandlerAdapter
bind, close, connect, deregister, disconnect, flush, read

Methods inherited from class io.netty.channel.ChannelHandlerAdapter
ensureNotSharable, exceptionCaught, handlerAdded, handlerRemoved, isSharable

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

Methods inherited from interface io.netty.channel.ChannelHandler
exceptionCaught, handlerAdded, handlerRemoved

- Constructor Detail
  - ZlibEncoder
```
protected ZlibEncoder()
```
- Method Detail
  - isClosed
```
public abstract boolean isClosed()
```
    Returns true if and only if the end of the compressed stream has been reached.
  - close
```
public abstract ChannelFuture close()
```
    Close this ZlibEncoder and so finish the encoding. The returned ChannelFuture will be notified once the operation completes.
  - close
```
public abstract ChannelFuture close(ChannelPromise promise)
```
    Close this ZlibEncoder and so finish the encoding. The given ChannelFuture will be notified once the operation completes and will also be returned.