Package io.undertow.conduits

Class DeflatingStreamSinkConduit

java.lang.Object

io.undertow.conduits.DeflatingStreamSinkConduit

All Implemented Interfaces:

org.xnio.conduits.Conduit, org.xnio.conduits.SinkConduit, org.xnio.conduits.StreamSinkConduit

Direct Known Subclasses:

GzipStreamSinkConduit

public class DeflatingStreamSinkConduit
extends java.lang.Object
implements org.xnio.conduits.StreamSinkConduit

Channel that handles deflate compression

Author:

Stuart Douglas

Field Summary

Fields

Modifier and Type	Field	Description
protected PooledByteBuffer	currentBuffer	The streams buffer.
protected java.util.zip.Deflater	deflater
protected PooledObject<java.util.zip.Deflater>	pooledObject

Constructor Summary

Constructors

Constructor	Description
DeflatingStreamSinkConduit(ConduitFactory<org.xnio.conduits.StreamSinkConduit> conduitFactory, HttpServerExchange exchange)
DeflatingStreamSinkConduit(ConduitFactory<org.xnio.conduits.StreamSinkConduit> conduitFactory, HttpServerExchange exchange, int deflateLevel)
DeflatingStreamSinkConduit(ConduitFactory<org.xnio.conduits.StreamSinkConduit> conduitFactory, HttpServerExchange exchange, ObjectPool<java.util.zip.Deflater> deflaterPool)

Method Summary

Modifier and Type	Method	Description
void	awaitWritable()
void	awaitWritable(long time, java.util.concurrent.TimeUnit timeUnit)
boolean	flush()
protected byte[]	getTrailer()	called before the stream is finally flushed.
org.xnio.XnioWorker	getWorker()
org.xnio.XnioIoThread	getWriteThread()
boolean	isWriteResumed()
boolean	isWriteShutdown()
static ObjectPool<java.util.zip.Deflater>	newInstanceDeflaterPool(int deflateLevel)
protected void	postDeflate(java.nio.ByteBuffer data)
void	resumeWrites()
void	setWriteReadyHandler(org.xnio.conduits.WriteReadyHandler handler)
static ObjectPool<java.util.zip.Deflater>	simpleDeflaterPool(int poolSize, int deflateLevel)
void	suspendWrites()
void	terminateWrites()
long	transferFrom(java.nio.channels.FileChannel src, long position, long count)
long	transferFrom(org.xnio.channels.StreamSourceChannel source, long count, java.nio.ByteBuffer throughBuffer)
void	truncateWrites()
void	wakeupWrites()
int	write(java.nio.ByteBuffer src)
long	write(java.nio.ByteBuffer[] srcs, int offset, int length)
int	writeFinal(java.nio.ByteBuffer src)
long	writeFinal(java.nio.ByteBuffer[] srcs, int offset, int length)

Methods inherited from class java.lang.Object

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

Field Detail

deflater

protected volatile java.util.zip.Deflater deflater

pooledObject

protected final PooledObject<java.util.zip.Deflater> pooledObject

currentBuffer

protected PooledByteBuffer currentBuffer

The streams buffer. This is freed when the next is shutdown

Constructor Detail

DeflatingStreamSinkConduit

public DeflatingStreamSinkConduit(ConduitFactory<org.xnio.conduits.StreamSinkConduit> conduitFactory,
                                  HttpServerExchange exchange)

DeflatingStreamSinkConduit

public DeflatingStreamSinkConduit(ConduitFactory<org.xnio.conduits.StreamSinkConduit> conduitFactory,
                                  HttpServerExchange exchange,
                                  int deflateLevel)

DeflatingStreamSinkConduit

public DeflatingStreamSinkConduit(ConduitFactory<org.xnio.conduits.StreamSinkConduit> conduitFactory,
                                  HttpServerExchange exchange,
                                  ObjectPool<java.util.zip.Deflater> deflaterPool)

Method Detail

newInstanceDeflaterPool

public static ObjectPool<java.util.zip.Deflater> newInstanceDeflaterPool(int deflateLevel)

simpleDeflaterPool

public static ObjectPool<java.util.zip.Deflater> simpleDeflaterPool(int poolSize,
                                                                    int deflateLevel)

write

public int write(java.nio.ByteBuffer src)
          throws java.io.IOException

Specified by:

write in interface org.xnio.conduits.StreamSinkConduit

Throws:

java.io.IOException

postDeflate

protected void postDeflate(java.nio.ByteBuffer data)

write

public long write(java.nio.ByteBuffer[] srcs,
                  int offset,
                  int length)
           throws java.io.IOException

Specified by:

write in interface org.xnio.conduits.StreamSinkConduit

Throws:

java.io.IOException

writeFinal

public int writeFinal(java.nio.ByteBuffer src)
               throws java.io.IOException

Specified by:

writeFinal in interface org.xnio.conduits.StreamSinkConduit

Throws:

java.io.IOException

writeFinal

public long writeFinal(java.nio.ByteBuffer[] srcs,
                       int offset,
                       int length)
                throws java.io.IOException

Specified by:

writeFinal in interface org.xnio.conduits.StreamSinkConduit

Throws:

java.io.IOException

transferFrom

public long transferFrom(java.nio.channels.FileChannel src,
                         long position,
                         long count)
                  throws java.io.IOException

Specified by:

transferFrom in interface org.xnio.conduits.StreamSinkConduit

Throws:

java.io.IOException

transferFrom

public long transferFrom(org.xnio.channels.StreamSourceChannel source,
                         long count,
                         java.nio.ByteBuffer throughBuffer)
                  throws java.io.IOException

Specified by:

transferFrom in interface org.xnio.conduits.StreamSinkConduit

Throws:

java.io.IOException

getWorker

public org.xnio.XnioWorker getWorker()

Specified by:

getWorker in interface org.xnio.conduits.Conduit

suspendWrites

public void suspendWrites()

Specified by:

suspendWrites in interface org.xnio.conduits.SinkConduit

isWriteResumed

public boolean isWriteResumed()

Specified by:

isWriteResumed in interface org.xnio.conduits.SinkConduit

wakeupWrites

public void wakeupWrites()

Specified by:

wakeupWrites in interface org.xnio.conduits.SinkConduit

resumeWrites

public void resumeWrites()

Specified by:

resumeWrites in interface org.xnio.conduits.SinkConduit

terminateWrites

public void terminateWrites()
                     throws java.io.IOException

Specified by:

terminateWrites in interface org.xnio.conduits.SinkConduit

Throws:

java.io.IOException

isWriteShutdown

public boolean isWriteShutdown()

Specified by:

isWriteShutdown in interface org.xnio.conduits.SinkConduit

awaitWritable

public void awaitWritable()
                   throws java.io.IOException

Specified by:

awaitWritable in interface org.xnio.conduits.SinkConduit

Throws:

java.io.IOException

awaitWritable

public void awaitWritable(long time,
                          java.util.concurrent.TimeUnit timeUnit)
                   throws java.io.IOException

Specified by:

awaitWritable in interface org.xnio.conduits.SinkConduit

Throws:

java.io.IOException

getWriteThread

public org.xnio.XnioIoThread getWriteThread()

Specified by:

getWriteThread in interface org.xnio.conduits.SinkConduit

setWriteReadyHandler

public void setWriteReadyHandler(org.xnio.conduits.WriteReadyHandler handler)

Specified by:

setWriteReadyHandler in interface org.xnio.conduits.SinkConduit

flush

public boolean flush()
              throws java.io.IOException

Specified by:

flush in interface org.xnio.conduits.SinkConduit

Throws:

java.io.IOException

getTrailer

protected byte[] getTrailer()

called before the stream is finally flushed.

truncateWrites

public void truncateWrites()
                    throws java.io.IOException

Specified by:

truncateWrites in interface org.xnio.conduits.SinkConduit

Throws:

java.io.IOException