CompactHeaderHandler (venice API)

java.lang.Object
- io.netty.channel.ChannelHandlerAdapter
- - io.netty.channel.ChannelInboundHandlerAdapter
  - - io.netty.channel.ChannelDuplexHandler
    - - com.linkedin.alpini.netty4.http2.CompactHeaderHandler

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler, io.netty.channel.ChannelOutboundHandler
```
@Sharable
public class CompactHeaderHandler
extends io.netty.channel.ChannelDuplexHandler
```
Handler for compacting Espresso headers to a single header entry. Only for HTTP/2 testing purposes.

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

Field Summary

Fields
Modifier and Type Field Description

static java.lang.String COMPACT_HEADER

Constructor Summary

Constructors
Constructor Description

CompactHeaderHandler(java.lang.Class<?> headerClass, boolean isServer)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`channelRead(io.netty.channel.ChannelHandlerContext ctx, java.lang.Object msg)`
`void`	`write(io.netty.channel.ChannelHandlerContext ctx, java.lang.Object msg, io.netty.channel.ChannelPromise promise)`

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

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter
channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

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

- Field Detail
  - COMPACT_HEADER
```
public static final java.lang.String COMPACT_HEADER
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - CompactHeaderHandler
```
public CompactHeaderHandler(java.lang.Class<?> headerClass,
                            boolean isServer)
```
    Constructor. Uses reflection so it's expected to be initialized only once and shared.
    
    Parameters:
    
    headerClass - Should espresso-pub's Header.class
- Method Detail
  - write
```
public void write(io.netty.channel.ChannelHandlerContext ctx,
                  java.lang.Object msg,
                  io.netty.channel.ChannelPromise promise)
           throws java.lang.Exception
```
    Specified by:
    
    write in interface io.netty.channel.ChannelOutboundHandler
    
    Overrides:
    
    write in class io.netty.channel.ChannelDuplexHandler
    
    Throws:
    
    java.lang.Exception
  - channelRead
```
public void channelRead(io.netty.channel.ChannelHandlerContext ctx,
                        java.lang.Object msg)
                 throws java.lang.Exception
```
    Specified by:
    
    channelRead in interface io.netty.channel.ChannelInboundHandler
    
    Overrides:
    
    channelRead in class io.netty.channel.ChannelInboundHandlerAdapter
    
    Throws:
    
    java.lang.Exception