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java.lang.Objectorg.restlet.engine.io.NioUtils
public class NioUtils
Utility methods for NIO processing.
Method Summary | |
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static int |
copy(ByteBuffer sourceBuffer,
ByteBuffer targetBuffer,
long maxCopied)
Writes the source buffer to the target buffer, up to a maximum number of bytes. |
static void |
copy(FileChannel fileChannel,
WritableByteChannel writableChannel)
Writes the representation to a byte channel. |
static void |
copy(ReadableByteChannel readableChannel,
OutputStream outputStream)
Writes a NIO readable channel to a BIO output stream. |
static void |
copy(ReadableByteChannel readableChannel,
WritableByteChannel writableChannel)
Writes a readable channel to a writable channel. |
static ReadableByteChannel |
getChannel(InputStream inputStream)
Returns a readable byte channel based on a given input stream. |
static WritableByteChannel |
getChannel(OutputStream outputStream)
Returns a writable byte channel based on a given output stream. |
static ReadableByteChannel |
getChannel(Representation representation)
Returns a readable byte channel based on the given representation's content and its write(WritableByteChannel) method. |
static InputStream |
getStream(ReadableByteChannel readableChannel)
Returns an input stream based on a given readable byte channel. |
static OutputStream |
getStream(WritableByteChannel writableChannel)
Returns an output stream based on a given writable byte channel. |
static boolean |
isBlocking(Channel channel)
Indicates if the channel is in blocking mode. |
static void |
release(Selector selector,
SelectionKey selectionKey)
Release the selection key, working around for bug #6403933. |
static void |
waitForState(SelectableChannel selectableChannel,
int operations)
Waits for the given channel to be ready for a specific operation. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static int copy(ByteBuffer sourceBuffer, ByteBuffer targetBuffer, long maxCopied)
sourceBuffer
- The source buffer.targetBuffer
- The target buffer.maxCopied
- The maximum number of bytes copied by this call or 0 for
unlimited length.
public static void copy(FileChannel fileChannel, WritableByteChannel writableChannel) throws IOException
fileChannel
- The readable file channel.writableChannel
- A writable byte channel.
IOException
public static void copy(ReadableByteChannel readableChannel, OutputStream outputStream) throws IOException
readableChannel
- The readable channel.outputStream
- The output stream.
IOException
public static void copy(ReadableByteChannel readableChannel, WritableByteChannel writableChannel) throws IOException
readableChannel
- The readable channel.writableChannel
- The writable channel.
IOException
public static ReadableByteChannel getChannel(InputStream inputStream) throws IOException
inputStream
- The input stream to convert.
IOException
public static WritableByteChannel getChannel(OutputStream outputStream)
outputStream
- The output stream.
public static ReadableByteChannel getChannel(Representation representation) throws IOException
representation
- the representation to get the OutputStream
from.
IOException
public static InputStream getStream(ReadableByteChannel readableChannel)
readableChannel
- The readable byte channel.
public static OutputStream getStream(WritableByteChannel writableChannel)
writableChannel
- The writable byte channel.
public static boolean isBlocking(Channel channel)
channel
- The channel to test.
public static void release(Selector selector, SelectionKey selectionKey) throws IOException
selector
- The associated selector.selectionKey
- The used selection key.
IOException
public static void waitForState(SelectableChannel selectableChannel, int operations) throws IOException
selectableChannel
- The channel to monitor.operations
- The operations to be ready to do.
IOException
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