Class SpdyHttpDecoder

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.handler.codec.MessageToMessageDecoder<SpdyFrame>

io.netty.handler.codec.spdy.SpdyHttpDecoder

All Implemented Interfaces:

ChannelHandler, ChannelInboundHandler

public class SpdyHttpDecoder
extends MessageToMessageDecoder<SpdyFrame>

Decodes SpdySynStreamFrames, SpdySynReplyFrames, and SpdyDataFrames into FullHttpRequests and FullHttpResponses.

Nested Class Summary

Nested classes/interfaces inherited from interface ChannelHandler

ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	DEFAULT_MAX_HEADER_SIZE
private final HttpHeadersFactory	headersFactory
private final IntObjectMap<java.lang.Long>	headerSizeMap
private final int	maxContentLength
private final int	maxHeaderSize
private final java.util.Map<java.lang.Integer, FullHttpMessage>	messageMap
private final int	spdyVersion
private final HttpHeadersFactory	trailersFactory

Constructor Summary

Constructors

Modifier	Constructor	Description
	SpdyHttpDecoder(SpdyVersion version, int maxContentLength)	Creates a new instance.
	SpdyHttpDecoder(SpdyVersion version, int maxContentLength, boolean validateHeaders)	Deprecated. Use the SpdyHttpDecoder(SpdyVersion, int, Map, HttpHeadersFactory, HttpHeadersFactory) constructor instead.
protected	SpdyHttpDecoder(SpdyVersion version, int maxHeaderSize, int maxContentLength, java.util.Map<java.lang.Integer, FullHttpMessage> messageMap, HttpHeadersFactory headersFactory, HttpHeadersFactory trailersFactory)	Creates a new instance with the specified parameters.
protected	SpdyHttpDecoder(SpdyVersion version, int maxContentLength, java.util.Map<java.lang.Integer, FullHttpMessage> messageMap)	Creates a new instance with the specified parameters.
protected	SpdyHttpDecoder(SpdyVersion version, int maxContentLength, java.util.Map<java.lang.Integer, FullHttpMessage> messageMap, boolean validateHeaders)	Deprecated. Use the SpdyHttpDecoder(SpdyVersion, int, Map, HttpHeadersFactory, HttpHeadersFactory) constructor instead.
protected	SpdyHttpDecoder(SpdyVersion version, int maxContentLength, java.util.Map<java.lang.Integer, FullHttpMessage> messageMap, HttpHeadersFactory headersFactory, HttpHeadersFactory trailersFactory)	Creates a new instance with the specified parameters.

Method Summary

Modifier and Type	Method	Description
private static FullHttpRequest	createHttpRequest(SpdyHeadersFrame requestFrame, ByteBufAllocator alloc)
private FullHttpResponse	createHttpResponse(SpdyHeadersFrame responseFrame, ByteBufAllocator alloc)
protected void	decode(ChannelHandlerContext ctx, SpdyFrame msg, java.util.List<java.lang.Object> out)	Decode from one message to an other.
protected FullHttpMessage	getMessage(int streamId)
void	handlerRemoved(ChannelHandlerContext ctx)	Do nothing by default, sub-classes may override this method.
private static long	headerEntrySize(java.lang.CharSequence name, java.lang.CharSequence value)
protected FullHttpMessage	putMessage(int streamId, FullHttpMessage message)
protected FullHttpMessage	removeMessage(int streamId)

Methods inherited from class MessageToMessageDecoder

acceptInboundMessage, channelRead, channelReadComplete

Methods inherited from class ChannelInboundHandlerAdapter

channelActive, channelInactive, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

Methods inherited from class ChannelHandlerAdapter

ensureNotSharable, handlerAdded, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface ChannelHandler

handlerAdded

Field Details

DEFAULT_MAX_HEADER_SIZE

private static final int DEFAULT_MAX_HEADER_SIZE

See Also:

• Constant Field Values

spdyVersion

private final int spdyVersion

maxHeaderSize

private final int maxHeaderSize

maxContentLength

private final int maxContentLength

messageMap

private final java.util.Map<java.lang.Integer, FullHttpMessage> messageMap

headerSizeMap

private final IntObjectMap<java.lang.Long> headerSizeMap

headersFactory

private final HttpHeadersFactory headersFactory

trailersFactory

private final HttpHeadersFactory trailersFactory

Constructor Details

SpdyHttpDecoder

public SpdyHttpDecoder(SpdyVersion version,
 int maxContentLength)

Creates a new instance.

Parameters:

version - the protocol version

maxContentLength - the maximum length of the message content. If the length of the message content exceeds this value, a TooLongFrameException will be raised.

SpdyHttpDecoder

@Deprecated
public SpdyHttpDecoder(SpdyVersion version,
 int maxContentLength,
 boolean validateHeaders)

Deprecated.

Use the SpdyHttpDecoder(SpdyVersion, int, Map, HttpHeadersFactory, HttpHeadersFactory) constructor instead.

Creates a new instance.

Parameters:

version - the protocol version

maxContentLength - the maximum length of the message content. If the length of the message content exceeds this value, a TooLongFrameException will be raised.

validateHeaders - true if http headers should be validated

SpdyHttpDecoder

protected SpdyHttpDecoder(SpdyVersion version,
 int maxContentLength,
 java.util.Map<java.lang.Integer, FullHttpMessage> messageMap)

Creates a new instance with the specified parameters.

Parameters:

version - the protocol version

maxContentLength - the maximum length of the message content. If the length of the message content exceeds this value, a TooLongFrameException will be raised.

messageMap - the Map used to hold partially received messages.

SpdyHttpDecoder

@Deprecated
protected SpdyHttpDecoder(SpdyVersion version,
 int maxContentLength,
 java.util.Map<java.lang.Integer, FullHttpMessage> messageMap,
 boolean validateHeaders)

Deprecated.

Use the SpdyHttpDecoder(SpdyVersion, int, Map, HttpHeadersFactory, HttpHeadersFactory) constructor instead.

Creates a new instance with the specified parameters.

Parameters:

version - the protocol version

maxContentLength - the maximum length of the message content. If the length of the message content exceeds this value, a TooLongFrameException will be raised.

messageMap - the Map used to hold partially received messages.

validateHeaders - true if http headers should be validated

SpdyHttpDecoder

protected SpdyHttpDecoder(SpdyVersion version,
 int maxContentLength,
 java.util.Map<java.lang.Integer, FullHttpMessage> messageMap,
 HttpHeadersFactory headersFactory,
 HttpHeadersFactory trailersFactory)

Creates a new instance with the specified parameters.

Parameters:

version - the protocol version

maxContentLength - the maximum length of the message content. If the length of the message content exceeds this value, a TooLongFrameException will be raised.

messageMap - the Map used to hold partially received messages.

headersFactory - The factory used for creating HTTP headers

trailersFactory - The factory used for creating HTTP trailers.

SpdyHttpDecoder

protected SpdyHttpDecoder(SpdyVersion version,
 int maxHeaderSize,
 int maxContentLength,
 java.util.Map<java.lang.Integer, FullHttpMessage> messageMap,
 HttpHeadersFactory headersFactory,
 HttpHeadersFactory trailersFactory)

Creates a new instance with the specified parameters.

Parameters:

version - the protocol version

maxHeaderSize - the maximum length of all headers. If the sum of the length of each header exceeds this value, a TooLongHttpHeaderException will be raised.

maxContentLength - the maximum length of the message content. If the length of the message content exceeds this value, a TooLongFrameException will be raised.

messageMap - the Map used to hold partially received messages.

headersFactory - The factory used for creating HTTP headers

trailersFactory - The factory used for creating HTTP trailers.

Method Details

handlerRemoved

public void handlerRemoved(ChannelHandlerContext ctx)
                    throws java.lang.Exception

Description copied from class: ChannelHandlerAdapter

Do nothing by default, sub-classes may override this method.

Specified by:

handlerRemoved in interface ChannelHandler

Overrides:

handlerRemoved in class ChannelHandlerAdapter

Throws:

java.lang.Exception

putMessage

protected FullHttpMessage putMessage(int streamId,
 FullHttpMessage message)

getMessage

protected FullHttpMessage getMessage(int streamId)

removeMessage

protected FullHttpMessage removeMessage(int streamId)

decode

protected void decode(ChannelHandlerContext ctx,
 SpdyFrame msg,
 java.util.List<java.lang.Object> out)
               throws java.lang.Exception

Description copied from class: MessageToMessageDecoder

Decode from one message to an other. This method will be called for each written message that can be handled by this decoder.

Specified by:

decode in class MessageToMessageDecoder<SpdyFrame>

Parameters:

ctx - the ChannelHandlerContext which this MessageToMessageDecoder belongs to

msg - the message to decode to an other one

out - the List to which decoded messages should be added

Throws:

java.lang.Exception - is thrown if an error occurs

headerEntrySize

private static long headerEntrySize(java.lang.CharSequence name,
 java.lang.CharSequence value)

createHttpRequest

private static FullHttpRequest createHttpRequest(SpdyHeadersFrame requestFrame,
 ByteBufAllocator alloc)
                                          throws java.lang.Exception

Throws:

java.lang.Exception

createHttpResponse

private FullHttpResponse createHttpResponse(SpdyHeadersFrame responseFrame,
 ByteBufAllocator alloc)
                                     throws java.lang.Exception

Throws:

java.lang.Exception