Spring Core 6.1.4 · org.springframework.core.io.buffer.DataBufferUtils

Modifier and Type	Class and Description
private abstract static class	DataBufferUtils.AbstractNestedMatcher Base class for a `NestedMatcher`.
private static class	DataBufferUtils.CompositeMatcher Matcher that supports searching for multiple delimiters.
private static class	DataBufferUtils.KnuthMorrisPrattMatcher Implementation of `Matcher` that uses the Knuth-Morris-Pratt algorithm.
public static interface	DataBufferUtils.Matcher Contract to find delimiter(s) against one or more data buffers that can be passed one at a time to the `match(DataBuffer)` method.
private static interface	DataBufferUtils.NestedMatcher Matcher that can be nested within `CompositeMatcher` where multiple matchers advance together using the same index, one byte at a time.
private static class	DataBufferUtils.ReadableByteChannelGenerator
private static class	DataBufferUtils.ReadCompletionHandler
private static class	DataBufferUtils.SingleByteMatcher Matcher for a single byte delimiter.
private static class	DataBufferUtils.TwoByteMatcher Matcher with a 2 byte delimiter that does not benefit from a Knuth-Morris-Pratt suffix-prefix table.
private static class	DataBufferUtils.WritableByteChannelSubscriber
private static class	DataBufferUtils.WriteCompletionHandler

Modifier and Type	Field and Description
private static final int	DEFAULT_CHUNK_SIZE
private static final Log	logger
private static final Consumer<DataBuffer>	RELEASE_CONSUMER

Access	Constructor and Description
public	DataBufferUtils()

Method Summary

Modifier and Type	Method and Description
private static Set<OpenOption>	checkWriteOptions(OpenOption[] options)
pack-priv static void	closeChannel(Channel channel)
private static DataBufferUtils.NestedMatcher	createMatcher(byte[] delimiter)
public static Mono<DataBuffer>	Returns: a buffer that is composed of the `dataBuffers` argument join(Publisher<? extends DataBuffer> the data buffers that are to be composed dataBuffers) Return a new `DataBuffer` composed of joining together the given `dataBuffers` elements.
public static Mono<DataBuffer>	Returns: a buffer with the aggregated content, possibly an empty Mono if the max number of bytes to buffer is exceeded. join(Publisher<? extends DataBuffer> the data buffers that are to be composed buffers, int the max number of bytes to buffer, or -1 for unlimited maxByteCount) Variant of `join(Publisher)` that behaves the same way up until the specified max number of bytes to buffer.
public static DataBufferUtils.Matcher	Returns: the matcher matcher(byte[] the delimiter bytes to find delimiter) Return a `Matcher` for the given delimiter.
public static DataBufferUtils.Matcher	Returns: the matcher matcher(byte[]... the delimiters bytes to find delimiters) Return a `Matcher` for the given delimiters.
public static Publisher<DataBuffer>	Returns: a `Publisher<DataBuffer>` based on bytes written by `outputStreamHandler` outputStreamPublisher(Consumer<OutputStream> invoked when the first buffer is requested outputStreamConsumer, DataBufferFactory bufferFactory, Executor used to invoke the `outputStreamHandler` executor) Create a new `Publisher<DataBuffer>` based on bytes written to a `OutputStream`.
public static Publisher<DataBuffer>	Returns: a `Publisher<DataBuffer>` based on bytes written by `outputStreamHandler` outputStreamPublisher(Consumer<OutputStream> invoked when the first buffer is requested outputStreamConsumer, DataBufferFactory bufferFactory, Executor used to invoke the `outputStreamHandler` executor, int minimum size of the buffer produced by the publisher chunkSize) Creates a new `Publisher<DataBuffer>` based on bytes written to a `OutputStream`.
public static Flux<DataBuffer>	Returns: a Flux of data buffers read from the given channel read(Path the path to read bytes from path, DataBufferFactory the factory to create data buffers with bufferFactory, int the maximum size of the data buffers bufferSize, OpenOption... options) Read bytes from the given file `Path` into a `Flux` of `DataBuffer`s.
public static Flux<DataBuffer>	Returns: a Flux of data buffers read from the given channel read(Resource the resource to read from resource, DataBufferFactory the factory to create data buffers with bufferFactory, int the maximum size of the data buffers bufferSize) Read the given `Resource` into a `Flux` of `DataBuffer`s.
public static Flux<DataBuffer>	Returns: a Flux of data buffers read from the given channel read(Resource the resource to read from resource, long the position to start reading from position, DataBufferFactory the factory to create data buffers with bufferFactory, int the maximum size of the data buffers bufferSize) Read the given `Resource` into a `Flux` of `DataBuffer`s starting at the given position.
public static Flux<DataBuffer>	Returns: a Flux of data buffers read from the given channel readAsynchronousFileChannel(Callable<AsynchronousFileChannel> the supplier for the channel to read from channelSupplier, DataBufferFactory the factory to create data buffers with bufferFactory, int the maximum size of the data buffers bufferSize) Obtain a `AsynchronousFileChannel` from the given supplier, and read it into a `Flux` of `DataBuffer`s.
public static Flux<DataBuffer>	Returns: a Flux of data buffers read from the given channel readAsynchronousFileChannel(Callable<AsynchronousFileChannel> the supplier for the channel to read from channelSupplier, long the position to start reading from position, DataBufferFactory the factory to create data buffers with bufferFactory, int the maximum size of the data buffers bufferSize) Obtain an `AsynchronousFileChannel` from the given supplier, and read it into a `Flux` of `DataBuffer`s, starting at the given position.
public static Flux<DataBuffer>	Returns: a Flux of data buffers read from the given channel readByteChannel(Callable<ReadableByteChannel> the supplier for the channel to read from channelSupplier, DataBufferFactory the factory to create data buffers with bufferFactory, int the maximum size of the data buffers bufferSize) Obtain a `ReadableByteChannel` from the given supplier, and read it into a `Flux` of `DataBuffer`s.
public static Flux<DataBuffer>	Returns: a Flux of data buffers read from the given channel readInputStream(Callable<InputStream> the supplier for the input stream to read from inputStreamSupplier, DataBufferFactory the factory to create data buffers with bufferFactory, int the maximum size of the data buffers bufferSize) Obtain an `InputStream` from the given supplier, and read it into a `Flux` of `DataBuffer`s.
public static boolean	Returns: `true` if the buffer was released; `false` otherwise. release(DataBuffer the data buffer to release dataBuffer) Release the given data buffer.
public static Consumer<DataBuffer>	releaseConsumer() Return a consumer that calls `release(DataBuffer)` on all passed data buffers.
public static <T extends DataBuffer> T	Returns: the retained buffer retain(T the data buffer to retain dataBuffer) Retain the given data buffer, if it is a `PooledDataBuffer`.
public static <T extends DataBuffer> Flux<T>	Returns: a flux with the remaining part of the given publisher skipUntilByteCount(Publisher<T> the publisher to filter publisher, long the maximum byte count maxByteCount) Skip buffers from the given `Publisher` until the total byte count reaches the given maximum byte count, or until the publisher is complete.
public static <T extends DataBuffer> Flux<T>	Returns: a flux whose maximum byte count is `maxByteCount` takeUntilByteCount(Publisher<T> the publisher to filter publisher, long the maximum byte count maxByteCount) Relay buffers from the given `Publisher` until the total byte count reaches the given maximum byte count, or until the publisher is complete.
public static <T extends DataBuffer> T	Returns: the input buffer touch(T the data buffer to attach the hint to dataBuffer, Object the hint to attach hint) Associate the given hint with the data buffer if it is a pooled buffer and supports leak tracking.
public static Flux<DataBuffer>	Returns: a Flux containing the same buffers as in `source`, that starts the writing process when subscribed to, and that publishes any writing errors and the completion signal write(Publisher<DataBuffer> the stream of data buffers to be written source, OutputStream the output stream to write to outputStream) Write the given stream of `DataBuffers` to the given `OutputStream`.
public static Flux<DataBuffer>	Returns: a Flux containing the same buffers as in `source`, that starts the writing process when subscribed to, and that publishes any writing errors and the completion signal write(Publisher<DataBuffer> the stream of data buffers to be written source, WritableByteChannel the channel to write to channel) Write the given stream of `DataBuffers` to the given `WritableByteChannel`.
public static Flux<DataBuffer>	Returns: a Flux containing the same buffers as in `source`, that starts the writing process when subscribed to, and that publishes any writing errors and the completion signal write(Publisher<DataBuffer> the stream of data buffers to be written source, AsynchronousFileChannel the channel to write to channel) Write the given stream of `DataBuffers` to the given `AsynchronousFileChannel`.
public static Flux<DataBuffer>	Returns: a flux containing the same buffers as in `source`, that starts the writing process when subscribed to, and that publishes any writing errors and the completion signal write(Publisher<? extends DataBuffer> the stream of data buffers to be written source, AsynchronousFileChannel the channel to write to channel, long the file position where writing is to begin; must be non-negative position) Write the given stream of `DataBuffers` to the given `AsynchronousFileChannel`.
public static Mono<Void>	Returns: a `Mono` that indicates completion or error write(Publisher<DataBuffer> the stream of data buffers to be written source, Path the path to the file destination, OpenOption... the options specifying how the file is opened options) Write the given stream of `DataBuffers` to the given file `Path`.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

public abstract Class DataBufferUtils

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary