public final class DeflatingStreamSinkConduit extends AbstractStreamSinkConduit<StreamSinkConduit> implements StreamSinkConduit
next
Constructor and Description |
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DeflatingStreamSinkConduit(StreamSinkConduit next,
Deflater deflater)
Construct a new instance.
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Modifier and Type | Method and Description |
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boolean |
flush()
Flush out any unwritten, buffered output.
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void |
terminateWrites()
Signal that no more write data is forthcoming.
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long |
transferFrom(FileChannel src,
long position,
long count)
Transfer bytes into this conduit from the given file.
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long |
transferFrom(StreamSourceChannel source,
long count,
ByteBuffer throughBuffer)
Transfers bytes from the given channel source.
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void |
truncateWrites()
Terminate writes and discard any outstanding write data.
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int |
write(ByteBuffer src)
Writes a sequence of bytes to this conduit from the given buffer.
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long |
write(ByteBuffer[] srcs,
int offset,
int length)
Writes a sequence of bytes to this conduit from the given buffers.
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int |
writeFinal(ByteBuffer src)
Writes some data to the conduit, with the same semantics as
StreamSinkConduit.write(java.nio.ByteBuffer) . |
long |
writeFinal(ByteBuffer[] srcs,
int offset,
int length)
Writes some data to the conduit, with the same semantics as
StreamSinkConduit.write(java.nio.ByteBuffer[], int, int) . |
awaitWritable, awaitWritable, getWriteThread, isWriteResumed, isWriteShutdown, resumeWrites, setWriteReadyHandler, suspendWrites, wakeupWrites
getWorker
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
awaitWritable, awaitWritable, getWriteThread, isWriteResumed, isWriteShutdown, resumeWrites, setWriteReadyHandler, suspendWrites, wakeupWrites
public DeflatingStreamSinkConduit(StreamSinkConduit next, Deflater deflater)
next
- the delegate conduit to setdeflater
- the initialized deflater to usepublic long transferFrom(FileChannel src, long position, long count) throws IOException
StreamSinkConduit
transferFrom
in interface StreamSinkConduit
transferFrom
in class AbstractStreamSinkConduit<StreamSinkConduit>
src
- the file to read fromposition
- the position within the file from which the transfer is to begincount
- the number of bytes to be transferredIOException
- if an I/O error occurspublic long transferFrom(StreamSourceChannel source, long count, ByteBuffer throughBuffer) throws IOException
StreamSinkConduit
throughBuffer
will be cleared. On exit, the
buffer will be flipped for emptying, and may be empty or may contain data. If this method returns a value less
than count
, then the remaining data in throughBuffer
may contain data read from source
which must be written to this channel to complete the operation.transferFrom
in interface StreamSinkConduit
transferFrom
in class AbstractStreamSinkConduit<StreamSinkConduit>
source
- the source to read fromcount
- the number of bytes to be transferredthroughBuffer
- the buffer to copy through.IOException
- if an I/O error occurspublic int write(ByteBuffer src) throws IOException
StreamSinkConduit
write
in interface StreamSinkConduit
write
in class AbstractStreamSinkConduit<StreamSinkConduit>
src
- the buffer containing data to writeClosedChannelException
- if this conduit's SinkConduit.terminateWrites()
method was previously calledIOException
- if an error occurspublic long write(ByteBuffer[] srcs, int offset, int length) throws IOException
StreamSinkConduit
write
in interface StreamSinkConduit
write
in class AbstractStreamSinkConduit<StreamSinkConduit>
srcs
- the buffers containing data to writeoffset
- the offset into the buffer arraylength
- the number of buffers to writeClosedChannelException
- if this conduit's SinkConduit.terminateWrites()
method was previously calledIOException
- if an error occurspublic boolean flush() throws IOException
SinkConduit
flush
in interface SinkConduit
flush
in class AbstractSinkConduit<StreamSinkConduit>
true
if everything is flushed, false
otherwiseIOException
- if flush failspublic int writeFinal(ByteBuffer src) throws IOException
StreamSinkConduit
StreamSinkConduit.write(java.nio.ByteBuffer)
. If all the data is written
out then the conduit will have its writes terminated. Semantically this
method is equivalent to:
int rem = src.remaining();
int written = conduit.write(src);
if(written == rem) {
conduit.terminateWrites()
}
writeFinal
in interface StreamSinkConduit
writeFinal
in class AbstractStreamSinkConduit<StreamSinkConduit>
src
- The data to writeIOException
public long writeFinal(ByteBuffer[] srcs, int offset, int length) throws IOException
StreamSinkConduit
StreamSinkConduit.write(java.nio.ByteBuffer[], int, int)
. If all the data is written
out then the conduit will have its writes terminated.writeFinal
in interface StreamSinkConduit
writeFinal
in class AbstractStreamSinkConduit<StreamSinkConduit>
srcs
- The buffers from which bytes are to be retrievedoffset
- The offset within the buffer array of the first buffer from
which bytes are to be retrieved; must be non-negative and no
larger than srcs.lengthlength
- The maximum number of buffers to be accessed; must be
non-negative and no larger than
srcs.length - offsetIOException
public void terminateWrites() throws IOException
SinkConduit
SinkConduit.flush()
ed before it is considered
to be shut down.terminateWrites
in interface SinkConduit
terminateWrites
in class AbstractSinkConduit<StreamSinkConduit>
IOException
public void truncateWrites() throws IOException
SinkConduit
truncateWrites
in interface SinkConduit
truncateWrites
in class AbstractSinkConduit<StreamSinkConduit>
IOException
- if channel termination failed for some reasonCopyright © 2020 JBoss by Red Hat. All rights reserved.