io.netty.handler.codec.http2

Class Http2OrHttpChooser

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.handler.codec.ByteToMessageDecoder

io.netty.handler.codec.http2.Http2OrHttpChooser

All Implemented Interfaces:

ChannelHandler

public abstract class Http2OrHttpChooser
extends ByteToMessageDecoder

ChannelHandler which is responsible to setup the ChannelPipeline either for HTTP or HTTP2. This offers an easy way for users to support both at the same time while not care to much about the low-level details.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Http2OrHttpChooser.SelectedProtocol

Nested classes/interfaces inherited from class io.netty.handler.codec.ByteToMessageDecoder

ByteToMessageDecoder.Cumulator

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

ChannelHandler.Sharable, ChannelHandler.Skip

Field Summary

Fields inherited from class io.netty.handler.codec.ByteToMessageDecoder

COMPOSITE_CUMULATOR, MERGE_CUMULATOR

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Http2OrHttpChooser(int maxHttpContentLength)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addHttp2Handlers(ChannelHandlerContext ctx) Add all ChannelHandler's that are needed for HTTP_2.
protected void	addHttpHandlers(ChannelHandlerContext ctx) Add all ChannelHandler's that are needed for HTTP.
protected abstract ChannelHandler	createHttp1RequestHandler() Create the ChannelHandler that is responsible for handling the http requests when the Http2OrHttpChooser.SelectedProtocol was Http2OrHttpChooser.SelectedProtocol.HTTP_1_0 or Http2OrHttpChooser.SelectedProtocol.HTTP_1_1
protected abstract Http2ConnectionHandler	createHttp2RequestHandler() Create the ChannelHandler that is responsible for handling the http responses when the when the Http2OrHttpChooser.SelectedProtocol was Http2OrHttpChooser.SelectedProtocol.HTTP_2.
protected void	decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) Decode the from one ByteBuf to an other.
protected abstract Http2OrHttpChooser.SelectedProtocol	getProtocol(SSLEngine engine) Return the Http2OrHttpChooser.SelectedProtocol for the SSLEngine.

Methods inherited from class io.netty.handler.codec.ByteToMessageDecoder

actualReadableBytes, callDecode, channelInactive, channelRead, channelReadComplete, decodeLast, handlerRemoved, handlerRemoved0, internalBuffer, isSingleDecode, setCumulator, setSingleDecode

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

bind, channelActive, channelRegistered, channelUnregistered, channelWritabilityChanged, close, connect, deregister, disconnect, exceptionCaught, flush, handlerAdded, isSharable, read, userEventTriggered, write

Methods inherited from class java.lang.Object

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

Constructor Detail

Http2OrHttpChooser

protected Http2OrHttpChooser(int maxHttpContentLength)

Method Detail

getProtocol

protected abstract Http2OrHttpChooser.SelectedProtocol getProtocol(SSLEngine engine)

Return the Http2OrHttpChooser.SelectedProtocol for the SSLEngine. If its not known yet implementations MUST return Http2OrHttpChooser.SelectedProtocol.UNKNOWN.

decode

protected void decode(ChannelHandlerContext ctx,
          ByteBuf in,
          List<Object> out)
               throws Exception

Description copied from class: ByteToMessageDecoder

Decode the from one ByteBuf to an other. This method will be called till either the input ByteBuf has nothing to read when return from this method or till nothing was read from the input ByteBuf.

Specified by:

decode in class ByteToMessageDecoder

Parameters:

ctx - the ChannelHandlerContext which this ByteToMessageDecoder belongs to

in - the ByteBuf from which to read data

out - the List to which decoded messages should be added

Throws:

Exception - is thrown if an error accour

addHttp2Handlers

protected void addHttp2Handlers(ChannelHandlerContext ctx)

Add all ChannelHandler's that are needed for HTTP_2.

addHttpHandlers

protected void addHttpHandlers(ChannelHandlerContext ctx)

Add all ChannelHandler's that are needed for HTTP.

createHttp1RequestHandler

protected abstract ChannelHandler createHttp1RequestHandler()

Create the ChannelHandler that is responsible for handling the http requests when the Http2OrHttpChooser.SelectedProtocol was Http2OrHttpChooser.SelectedProtocol.HTTP_1_0 or Http2OrHttpChooser.SelectedProtocol.HTTP_1_1

createHttp2RequestHandler

protected abstract Http2ConnectionHandler createHttp2RequestHandler()

Create the ChannelHandler that is responsible for handling the http responses when the when the Http2OrHttpChooser.SelectedProtocol was Http2OrHttpChooser.SelectedProtocol.HTTP_2.