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

Modifier and Type	Class and Description
private static class	DefaultDataBuffer.ByteBufferIterator
private static class	DefaultDataBuffer.SlicedDefaultDataBuffer

Modifier and Type	Field and Description
private ByteBuffer	byteBuffer
private int	capacity
private static final int	CAPACITY_THRESHOLD
private final DefaultDataBufferFactory	dataBufferFactory
private static final int	MAX_CAPACITY
private int	readPosition
private int	writePosition

Access	Constructor and Description
private	DefaultDataBuffer(DefaultDataBufferFactory dataBufferFactory, ByteBuffer byteBuffer)

Method Summary

Modifier and Type	Method and Description
private static ByteBuffer	allocate(int capacity, boolean direct)
public ByteBuffer	asByteBuffer() Implements org.springframework.core.io.buffer.DataBuffer.asByteBuffer. Deprecated Expose this buffer's bytes as a `ByteBuffer`.
public ByteBuffer	asByteBuffer(int the index at which to start the byte buffer index, int the length of the returned byte buffer length) Implements org.springframework.core.io.buffer.DataBuffer.asByteBuffer. Deprecated Expose a subsequence of this buffer's bytes as a `ByteBuffer`.
private void	assertIndex(boolean expression, String format, Object... args)
private int	calculateCapacity(int neededCapacity) Calculate the capacity of the buffer.
public int	capacity() Implements org.springframework.core.io.buffer.DataBuffer.capacity. Return the number of bytes that this buffer can contain.
public DataBuffer	capacity(int the new capacity capacity) Implements org.springframework.core.io.buffer.DataBuffer.capacity. Deprecated Set the number of bytes that this buffer can contain.
private void	checkIndex(int index, int length)
private void	checkIndex(int index)
private void	checkLength(int length)
public DataBuffer	ensureWritable(int the writable capacity to check for length) Implements org.springframework.core.io.buffer.DataBuffer.ensureWritable. Ensure that the current buffer has enough `writableByteCount()` to write the amount of data given as an argument.
public boolean	equals(Object the reference object with which to compare. other) Overrides java.lang.Object.equals. Indicates whether some other object is "equal to" this one.
public DefaultDataBufferFactory	factory() Implements org.springframework.core.io.buffer.DataBuffer.factory. Return the `DataBufferFactory` that created this buffer.
pack-priv static DefaultDataBuffer	fromEmptyByteBuffer(DefaultDataBufferFactory dataBufferFactory, ByteBuffer byteBuffer)
pack-priv static DefaultDataBuffer	fromFilledByteBuffer(DefaultDataBufferFactory dataBufferFactory, ByteBuffer byteBuffer)
public byte	getByte(int the index at which the byte will be read index) Implements org.springframework.core.io.buffer.DataBuffer.getByte. Read a single byte at the given index from this data buffer.
public ByteBuffer	Returns: the wrapped byte buffer getNativeBuffer() Directly exposes the native `ByteBuffer` that this buffer is based on also updating the `ByteBuffer's` position and limit to match the current `readPosition()` and `readableByteCount()`.
public int	hashCode() Overrides java.lang.Object.hashCode. Returns a hash code value for the object.
public int	indexOf(IntPredicate the predicate to match predicate, int the index to start the search from fromIndex) Implements org.springframework.core.io.buffer.DataBuffer.indexOf. Return the index of the first byte in this buffer that matches the given predicate.
public int	lastIndexOf(IntPredicate the predicate to match predicate, int the index to start the search from fromIndex) Implements org.springframework.core.io.buffer.DataBuffer.lastIndexOf. Return the index of the last byte in this buffer that matches the given predicate.
public byte	read() Implements org.springframework.core.io.buffer.DataBuffer.read. Read a single byte from the current reading position from this data buffer.
public DefaultDataBuffer	read(byte[] the array into which the bytes are to be written destination) Implements org.springframework.core.io.buffer.DataBuffer.read. Read this buffer's data into the specified destination, starting at the current reading position of this buffer.
public DefaultDataBuffer	read(byte[] the array into which the bytes are to be written destination, int the index within `destination` of the first byte to be written offset, int the maximum number of bytes to be written in `destination` length) Implements org.springframework.core.io.buffer.DataBuffer.read. Read at most `length` bytes of this buffer into the specified destination, starting at the current reading position of this buffer.
public DataBuffer.ByteBufferIterator	readableByteBuffers() Implements org.springframework.core.io.buffer.DataBuffer.readableByteBuffers. Returns a closeable iterator over each `ByteBuffer` in this data buffer that can be read.
public int	readableByteCount() Implements org.springframework.core.io.buffer.DataBuffer.readableByteCount. Return the number of bytes that can be read from this data buffer.
public int	readPosition() Implements org.springframework.core.io.buffer.DataBuffer.readPosition. Return the position from which this buffer will read.
public DefaultDataBuffer	readPosition(int the new read position readPosition) Implements org.springframework.core.io.buffer.DataBuffer.readPosition. Set the position from which this buffer will read.
private void	setCapacity(int newCapacity)
private void	setNativeBuffer(ByteBuffer byteBuffer)
public DefaultDataBuffer	slice(int the index at which to start the slice index, int the length of the slice length) Implements org.springframework.core.io.buffer.DataBuffer.slice. Deprecated Create a new `DataBuffer` whose contents is a shared subsequence of this data buffer's content.
public DataBuffer	split(int the index at which it should be split index) Implements org.springframework.core.io.buffer.DataBuffer.split. Splits this data buffer into two at the given index.
public ByteBuffer	toByteBuffer(int index, int length) Implements org.springframework.core.io.buffer.DataBuffer.toByteBuffer. Deprecated Returns a `ByteBuffer` representation of a subsequence of this buffer's bytes.
public void	toByteBuffer(int the position of this data buffer from where copying should start srcPos, ByteBuffer the destination byte buffer dest, int the position in `dest` to where copying should start destPos, int the amount of data to copy length) Implements org.springframework.core.io.buffer.DataBuffer.toByteBuffer. Copies the given length from this data buffer into the given destination `ByteBuffer`, beginning at the given source position, and the given destination position in the destination byte buffer.
public String	toString(int the index at which to start the string index, int the number of bytes to use for the string length, Charset the charset to use charset) Implements org.springframework.core.io.buffer.DataBuffer.toString. Return a part of this buffer's data as a String using the specified charset.
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.
public DataBuffer.ByteBufferIterator	writableByteBuffers() Implements org.springframework.core.io.buffer.DataBuffer.writableByteBuffers. Returns a closeable iterator over each `ByteBuffer` in this data buffer that can be written to.
public int	writableByteCount() Implements org.springframework.core.io.buffer.DataBuffer.writableByteCount. Return the number of bytes that can be written to this data buffer.
public DefaultDataBuffer	write(byte the byte to be written b) Implements org.springframework.core.io.buffer.DataBuffer.write. Write a single byte into this buffer at the current writing position.
public DefaultDataBuffer	write(byte[] the bytes to be written into this buffer source) Implements org.springframework.core.io.buffer.DataBuffer.write. Write the given source into this buffer, starting at the current writing position of this buffer.
public DefaultDataBuffer	write(byte[] the bytes to be written into this buffer source, int the index within `source` to start writing from offset, int the maximum number of bytes to be written from `source` length) Implements org.springframework.core.io.buffer.DataBuffer.write. Write at most `length` bytes of the given source into this buffer, starting at the current writing position of this buffer.
public DefaultDataBuffer	write(DataBuffer... the byte buffers to write into this buffer dataBuffers) Implements org.springframework.core.io.buffer.DataBuffer.write. Write one or more `DataBuffer`s to this buffer, starting at the current writing position.
public DefaultDataBuffer	write(ByteBuffer... the byte buffers to write into this buffer buffers) Implements org.springframework.core.io.buffer.DataBuffer.write. Write one or more `ByteBuffer` to this buffer, starting at the current writing position.
private void	write(ByteBuffer source)
public int	writePosition() Implements org.springframework.core.io.buffer.DataBuffer.writePosition. Return the position to which this buffer will write.
public DefaultDataBuffer	writePosition(int the new write position writePosition) Implements org.springframework.core.io.buffer.DataBuffer.writePosition. Set the position to which this buffer will write.

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

byteBuffer	back to summary
private ByteBuffer byteBuffer

capacity	back to summary
private int capacity

CAPACITY_THRESHOLD	back to summary
private static final int CAPACITY_THRESHOLD

dataBufferFactory	back to summary
private final DefaultDataBufferFactory dataBufferFactory

MAX_CAPACITY	back to summary
private static final int MAX_CAPACITY

readPosition	back to summary
private int readPosition

writePosition	back to summary
private int writePosition

DefaultDataBuffer	back to summary
private DefaultDataBuffer(DefaultDataBufferFactory dataBufferFactory, ByteBuffer byteBuffer)

Method Detail

allocate	back to summary
private static ByteBuffer allocate(int capacity, boolean direct)

asByteBuffer back to summary

asByteBuffer	back to summary
public ByteBuffer asByteBuffer() Implements org.springframework.core.io.buffer.DataBuffer.asByteBuffer. Doc from org.springframework.core.io.buffer.DataBuffer.asByteBuffer. Deprecated Expose this buffer's bytes as a `ByteBuffer`. Data between this `DataBuffer` and the returned `ByteBuffer` is shared; though changes in the returned buffer's position will not be reflected in the reading nor writing position of this data buffer. Returns:ByteBuffer this data buffer as a byte buffer Annotations @Override @Deprecated

public ByteBuffer asByteBuffer()

Implements org.springframework.core.io.buffer.DataBuffer.asByteBuffer.

Doc from org.springframework.core.io.buffer.DataBuffer.asByteBuffer.

Deprecated

Expose this buffer's bytes as a ByteBuffer. Data between this DataBuffer and the returned ByteBuffer is shared; though changes in the returned buffer's position will not be reflected in the reading nor writing position of this data buffer.

Returns:ByteBuffer

this data buffer as a byte buffer

Annotations

@Override
@Deprecated

asByteBuffer back to summary

asByteBuffer	back to summary
public ByteBuffer asByteBuffer(int index, int length) Implements org.springframework.core.io.buffer.DataBuffer.asByteBuffer. Doc from org.springframework.core.io.buffer.DataBuffer.asByteBuffer. Deprecated Expose a subsequence of this buffer's bytes as a `ByteBuffer`. Data between this `DataBuffer` and the returned `ByteBuffer` is shared; though changes in the returned buffer's position will not be reflected in the reading nor writing position of this data buffer. Parameters index:int the index at which to start the byte buffer length:int the length of the returned byte buffer Returns:ByteBuffer this data buffer as a byte buffer Annotations @Override @Deprecated

public ByteBuffer asByteBuffer(int index, int length)

Implements org.springframework.core.io.buffer.DataBuffer.asByteBuffer.

Doc from org.springframework.core.io.buffer.DataBuffer.asByteBuffer.

Deprecated

Expose a subsequence of this buffer's bytes as a ByteBuffer. Data between this DataBuffer and the returned ByteBuffer is shared; though changes in the returned buffer's position will not be reflected in the reading nor writing position of this data buffer.

Parameters

index:int: the index at which to start the byte buffer
length:int: the length of the returned byte buffer

Returns:ByteBuffer

this data buffer as a byte buffer

Annotations

@Override
@Deprecated

assertIndex	back to summary
private void assertIndex(boolean expression, String format, Object... args)

calculateCapacity back to summary

calculateCapacity	back to summary
private int calculateCapacity(int neededCapacity) Calculate the capacity of the buffer. See Also `io.netty.buffer.AbstractByteBufAllocator#calculateNewCapacity(int, int)`

private int calculateCapacity(int neededCapacity)

Calculate the capacity of the buffer.

See Also: io.netty.buffer.AbstractByteBufAllocator#calculateNewCapacity(int, int)

capacity	back to summary
public int capacity() Implements org.springframework.core.io.buffer.DataBuffer.capacity. Doc from org.springframework.core.io.buffer.DataBuffer.capacity. Return the number of bytes that this buffer can contain. Returns:int the capacity Annotations @Override

capacity

back to summary

public int capacity()

Implements org.springframework.core.io.buffer.DataBuffer.capacity.

Doc from org.springframework.core.io.buffer.DataBuffer.capacity.

Return the number of bytes that this buffer can contain.

Returns:int

the capacity

Annotations

@Override

capacity	back to summary
public DataBuffer capacity(int capacity) Implements org.springframework.core.io.buffer.DataBuffer.capacity. Doc from org.springframework.core.io.buffer.DataBuffer.capacity. Deprecated Set the number of bytes that this buffer can contain. If the new capacity is lower than the current capacity, the contents of this buffer will be truncated. If the new capacity is higher than the current capacity, it will be expanded. Parameters capacity:int the new capacity Returns:DataBuffer this buffer Annotations @Override @Deprecated

capacity

back to summary

public DataBuffer capacity(int capacity)

Implements org.springframework.core.io.buffer.DataBuffer.capacity.

Doc from org.springframework.core.io.buffer.DataBuffer.capacity.

Deprecated

Set the number of bytes that this buffer can contain.

If the new capacity is lower than the current capacity, the contents of this buffer will be truncated. If the new capacity is higher than the current capacity, it will be expanded.

Parameters

capacity:int: the new capacity

Returns:DataBuffer

this buffer

Annotations

@Override
@Deprecated

checkIndex	back to summary
private void checkIndex(int index, int length)

checkIndex	back to summary
private void checkIndex(int index)

checkLength	back to summary
private void checkLength(int length)

ensureWritable back to summary

ensureWritable	back to summary
public DataBuffer ensureWritable(int length) Implements org.springframework.core.io.buffer.DataBuffer.ensureWritable. Doc from org.springframework.core.io.buffer.DataBuffer.ensureWritable. Ensure that the current buffer has enough `writableByteCount()` to write the amount of data given as an argument. If not, the missing capacity will be added to the buffer. Parameters length:int the writable capacity to check for Returns:DataBuffer this buffer Annotations @Override

public DataBuffer ensureWritable(int length)

Implements org.springframework.core.io.buffer.DataBuffer.ensureWritable.

Doc from org.springframework.core.io.buffer.DataBuffer.ensureWritable.

Ensure that the current buffer has enough writableByteCount() to write the amount of data given as an argument. If not, the missing capacity will be added to the buffer.

Parameters

length:int: the writable capacity to check for

Returns:DataBuffer

this buffer

Annotations

@Override

equals back to summary

equals	back to summary
public boolean equals(Object other) Overrides java.lang.Object.equals. Doc from java.lang.Object.equals. Indicates whether some other object is "equal to" this one. The `equals` method implements an equivalence relation on non-null object references: It is reflexive: for any non-null reference value `x`, `x.equals(x)` should return `true`. It is symmetric: for any non-null reference values `x` and `y`, `x.equals(y)` should return `true` if and only if `y.equals(x)` returns `true`. It is transitive: for any non-null reference values `x`, `y`, and `z`, if `x.equals(y)` returns `true` and `y.equals(z)` returns `true`, then `x.equals(z)` should return `true`. It is consistent: for any non-null reference values `x` and `y`, multiple invocations of `x.equals(y)` consistently return `true` or consistently return `false`, provided no information used in `equals` comparisons on the objects is modified. For any non-null reference value `x`, `x.equals(null)` should return `false`. An equivalence relation partitions the elements it operates on into equivalence classes; all the members of an equivalence class are equal to each other. Members of an equivalence class are substitutable for each other, at least for some purposes. Parameters other:Object the reference object with which to compare. Returns:boolean `true` if this object is the same as the obj argument; `false` otherwise. Annotations @Override

public boolean equals(Object other)

Overrides java.lang.Object.equals.

Doc from java.lang.Object.equals.

Indicates whether some other object is "equal to" this one.

The equals method implements an equivalence relation on non-null object references:

It is reflexive: for any non-null reference value x, x.equals(x) should return true.
It is symmetric: for any non-null reference values x and y, x.equals(y) should return true if and only if y.equals(x) returns true.
It is transitive: for any non-null reference values x, y, and z, if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.
It is consistent: for any non-null reference values x and y, multiple invocations of x.equals(y) consistently return true or consistently return false, provided no information used in equals comparisons on the objects is modified.
For any non-null reference value x, x.equals(null) should return false.

An equivalence relation partitions the elements it operates on into equivalence classes; all the members of an equivalence class are equal to each other. Members of an equivalence class are substitutable for each other, at least for some purposes.

Parameters

other:Object: the reference object with which to compare.

Returns:boolean

true if this object is the same as the obj argument; false otherwise.

Annotations

@Override

factory back to summary

factory	back to summary
public DefaultDataBufferFactory factory() Implements org.springframework.core.io.buffer.DataBuffer.factory. Doc from org.springframework.core.io.buffer.DataBuffer.factory. Return the `DataBufferFactory` that created this buffer. Returns:DefaultDataBufferFactory the creating buffer factory Annotations @Override

public DefaultDataBufferFactory factory()

Implements org.springframework.core.io.buffer.DataBuffer.factory.

Doc from org.springframework.core.io.buffer.DataBuffer.factory.

Return the DataBufferFactory that created this buffer.

Returns:DefaultDataBufferFactory

the creating buffer factory

Annotations

@Override

fromEmptyByteBuffer	back to summary
pack-priv static DefaultDataBuffer fromEmptyByteBuffer(DefaultDataBufferFactory dataBufferFactory, ByteBuffer byteBuffer)

fromFilledByteBuffer	back to summary
pack-priv static DefaultDataBuffer fromFilledByteBuffer(DefaultDataBufferFactory dataBufferFactory, ByteBuffer byteBuffer)

getByte	back to summary
public byte getByte(int index) Implements org.springframework.core.io.buffer.DataBuffer.getByte. Doc from org.springframework.core.io.buffer.DataBuffer.getByte. Read a single byte at the given index from this data buffer. Parameters index:int the index at which the byte will be read Returns:byte the byte at the given index Annotations @Override

getByte

back to summary

public byte getByte(int index)

Implements org.springframework.core.io.buffer.DataBuffer.getByte.

Doc from org.springframework.core.io.buffer.DataBuffer.getByte.

Read a single byte at the given index from this data buffer.

Parameters

index:int: the index at which the byte will be read

Returns:byte

the byte at the given index

Annotations

@Override

getNativeBuffer back to summary

getNativeBuffer	back to summary
public ByteBuffer getNativeBuffer() Directly exposes the native `ByteBuffer` that this buffer is based on also updating the `ByteBuffer's` position and limit to match the current `readPosition()` and `readableByteCount()`. Returns:ByteBuffer the wrapped byte buffer

public ByteBuffer getNativeBuffer()

Directly exposes the native ByteBuffer that this buffer is based on also updating the ByteBuffer's position and limit to match the current readPosition() and readableByteCount().

Returns:ByteBuffer: the wrapped byte buffer

hashCode back to summary

hashCode	back to summary
public int hashCode() Overrides java.lang.Object.hashCode. Doc from java.lang.Object.hashCode. Returns a hash code value for the object. This method is supported for the benefit of hash tables such as those provided by `java.util.HashMap`. The general contract of `hashCode` is: Whenever it is invoked on the same object more than once during an execution of a Java application, the `hashCode` method must consistently return the same integer, provided no information used in `equals` comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application. If two objects are equal according to the `equals` method, then calling the `hashCode` method on each of the two objects must produce the same integer result. It is not required that if two objects are unequal according to the `equals` method, then calling the `hashCode` method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hash tables. Returns:int a hash code value for this object. Annotations @Override

public int hashCode()

Overrides java.lang.Object.hashCode.

Doc from java.lang.Object.hashCode.

Returns a hash code value for the object. This method is supported for the benefit of hash tables such as those provided by java.util.HashMap.

The general contract of hashCode is:

Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode method must consistently return the same integer, provided no information used in equals comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application.
If two objects are equal according to the equals method, then calling the hashCode method on each of the two objects must produce the same integer result.
It is not required that if two objects are unequal according to the equals method, then calling the hashCode method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hash tables.

Returns:int

a hash code value for this object.

Annotations

@Override

indexOf back to summary

indexOf	back to summary
public int indexOf(IntPredicate predicate, int fromIndex) Implements org.springframework.core.io.buffer.DataBuffer.indexOf. Doc from org.springframework.core.io.buffer.DataBuffer.indexOf. Return the index of the first byte in this buffer that matches the given predicate. Parameters predicate:IntPredicate the predicate to match fromIndex:int the index to start the search from Returns:int the index of the first byte that matches `predicate`; or `-1` if none match Annotations @Override

public int indexOf(IntPredicate predicate, int fromIndex)

Implements org.springframework.core.io.buffer.DataBuffer.indexOf.

Doc from org.springframework.core.io.buffer.DataBuffer.indexOf.

Return the index of the first byte in this buffer that matches the given predicate.

Parameters

predicate:IntPredicate: the predicate to match
fromIndex:int: the index to start the search from

Returns:int

the index of the first byte that matches predicate; or -1 if none match

Annotations

@Override

lastIndexOf back to summary

lastIndexOf	back to summary
public int lastIndexOf(IntPredicate predicate, int fromIndex) Implements org.springframework.core.io.buffer.DataBuffer.lastIndexOf. Doc from org.springframework.core.io.buffer.DataBuffer.lastIndexOf. Return the index of the last byte in this buffer that matches the given predicate. Parameters predicate:IntPredicate the predicate to match fromIndex:int the index to start the search from Returns:int the index of the last byte that matches `predicate`; or `-1` if none match Annotations @Override

public int lastIndexOf(IntPredicate predicate, int fromIndex)

Implements org.springframework.core.io.buffer.DataBuffer.lastIndexOf.

Doc from org.springframework.core.io.buffer.DataBuffer.lastIndexOf.

Return the index of the last byte in this buffer that matches the given predicate.

Parameters

predicate:IntPredicate: the predicate to match
fromIndex:int: the index to start the search from

Returns:int

the index of the last byte that matches predicate; or -1 if none match

Annotations

@Override

read	back to summary
public byte read() Implements org.springframework.core.io.buffer.DataBuffer.read. Doc from org.springframework.core.io.buffer.DataBuffer.read. Read a single byte from the current reading position from this data buffer. Returns:byte the byte at this buffer's current reading position Annotations @Override

read

back to summary

public byte read()

Implements org.springframework.core.io.buffer.DataBuffer.read.

Doc from org.springframework.core.io.buffer.DataBuffer.read.

Read a single byte from the current reading position from this data buffer.

Returns:byte

the byte at this buffer's current reading position

Annotations

@Override

read	back to summary
public DefaultDataBuffer read(byte[] destination) Implements org.springframework.core.io.buffer.DataBuffer.read. Doc from org.springframework.core.io.buffer.DataBuffer.read. Read this buffer's data into the specified destination, starting at the current reading position of this buffer. Parameters destination:byte[] the array into which the bytes are to be written Returns:DefaultDataBuffer this buffer Annotations @Override

read

back to summary

public DefaultDataBuffer read(byte[] destination)

Implements org.springframework.core.io.buffer.DataBuffer.read.

Doc from org.springframework.core.io.buffer.DataBuffer.read.

Read this buffer's data into the specified destination, starting at the current reading position of this buffer.

Parameters

destination:byte[]: the array into which the bytes are to be written

Returns:DefaultDataBuffer

this buffer

Annotations

@Override

read back to summary

read	back to summary
public DefaultDataBuffer read(byte[] destination, int offset, int length) Implements org.springframework.core.io.buffer.DataBuffer.read. Doc from org.springframework.core.io.buffer.DataBuffer.read. Read at most `length` bytes of this buffer into the specified destination, starting at the current reading position of this buffer. Parameters destination:byte[] the array into which the bytes are to be written offset:int the index within `destination` of the first byte to be written length:int the maximum number of bytes to be written in `destination` Returns:DefaultDataBuffer this buffer Annotations @Override

public DefaultDataBuffer read(byte[] destination, int offset, int length)

Implements org.springframework.core.io.buffer.DataBuffer.read.

Doc from org.springframework.core.io.buffer.DataBuffer.read.

Read at most length bytes of this buffer into the specified destination, starting at the current reading position of this buffer.

Parameters

destination:byte[]: the array into which the bytes are to be written
offset:int: the index within destination of the first byte to be written
length:int: the maximum number of bytes to be written in destination

Returns:DefaultDataBuffer

this buffer

Annotations

@Override

readableByteBuffers back to summary

readableByteBuffers	back to summary
public DataBuffer.ByteBufferIterator readableByteBuffers() Implements org.springframework.core.io.buffer.DataBuffer.readableByteBuffers. Doc from org.springframework.core.io.buffer.DataBuffer.readableByteBuffers. Returns a closeable iterator over each `ByteBuffer` in this data buffer that can be read. Calling this method is more efficient than `toByteBuffer()`, as no data is copied. However, the byte buffers provided can only be used during the iteration. Note that the returned iterator must be used in a try-with-resources clause or explicitly closed. Returns:DataBuffer.ByteBufferIterator a closeable iterator over the readable byte buffers contained in this data buffer Annotations @Override

public DataBuffer.ByteBufferIterator readableByteBuffers()

Implements org.springframework.core.io.buffer.DataBuffer.readableByteBuffers.

Doc from org.springframework.core.io.buffer.DataBuffer.readableByteBuffers.

Returns a closeable iterator over each ByteBuffer in this data buffer that can be read. Calling this method is more efficient than toByteBuffer(), as no data is copied. However, the byte buffers provided can only be used during the iteration.

Note

that the returned iterator must be used in a try-with-resources clause or explicitly closed.

Returns:DataBuffer.ByteBufferIterator

a closeable iterator over the readable byte buffers contained in this data buffer

Annotations

@Override

readableByteCount	back to summary
public int readableByteCount() Implements org.springframework.core.io.buffer.DataBuffer.readableByteCount. Doc from org.springframework.core.io.buffer.DataBuffer.readableByteCount. Return the number of bytes that can be read from this data buffer. Returns:int the readable byte count Annotations @Override

readableByteCount

back to summary

public int readableByteCount()

Implements org.springframework.core.io.buffer.DataBuffer.readableByteCount.

Doc from org.springframework.core.io.buffer.DataBuffer.readableByteCount.

Return the number of bytes that can be read from this data buffer.

Returns:int

the readable byte count

Annotations

@Override

readPosition	back to summary
public int readPosition() Implements org.springframework.core.io.buffer.DataBuffer.readPosition. Doc from org.springframework.core.io.buffer.DataBuffer.readPosition. Return the position from which this buffer will read. Returns:int the read position Annotations @Override

readPosition

back to summary

public int readPosition()

Implements org.springframework.core.io.buffer.DataBuffer.readPosition.

Doc from org.springframework.core.io.buffer.DataBuffer.readPosition.

Return the position from which this buffer will read.

Returns:int

the read position

Annotations

@Override

readPosition	back to summary
public DefaultDataBuffer readPosition(int readPosition) Implements org.springframework.core.io.buffer.DataBuffer.readPosition. Doc from org.springframework.core.io.buffer.DataBuffer.readPosition. Set the position from which this buffer will read. Parameters readPosition:int the new read position Returns:DefaultDataBuffer this buffer Annotations @Override

readPosition

back to summary

public DefaultDataBuffer readPosition(int readPosition)

Implements org.springframework.core.io.buffer.DataBuffer.readPosition.

Doc from org.springframework.core.io.buffer.DataBuffer.readPosition.

Set the position from which this buffer will read.

Parameters

readPosition:int: the new read position

Returns:DefaultDataBuffer

this buffer

Annotations

@Override

setCapacity	back to summary
private void setCapacity(int newCapacity)

setNativeBuffer	back to summary
private void setNativeBuffer(ByteBuffer byteBuffer)

slice back to summary

slice	back to summary
public DefaultDataBuffer slice(int index, int length) Implements org.springframework.core.io.buffer.DataBuffer.slice. Doc from org.springframework.core.io.buffer.DataBuffer.slice. Deprecated Create a new `DataBuffer` whose contents is a shared subsequence of this data buffer's content. Data between this data buffer and the returned buffer is shared; though changes in the returned buffer's position will not be reflected in the reading nor writing position of this data buffer. Note that this method will not call `DataBufferUtils#retain(DataBuffer)` on the resulting slice: the reference count will not be increased. Parameters index:int the index at which to start the slice length:int the length of the slice Returns:DefaultDataBuffer the specified slice of this data buffer Annotations @Override @Deprecated

public DefaultDataBuffer slice(int index, int length)

Implements org.springframework.core.io.buffer.DataBuffer.slice.

Doc from org.springframework.core.io.buffer.DataBuffer.slice.

Deprecated

Create a new DataBuffer whose contents is a shared subsequence of this data buffer's content. Data between this data buffer and the returned buffer is shared; though changes in the returned buffer's position will not be reflected in the reading nor writing position of this data buffer.

Note

that this method will not call DataBufferUtils#retain(DataBuffer) on the resulting slice: the reference count will not be increased.

Parameters

index:int: the index at which to start the slice
length:int: the length of the slice

Returns:DefaultDataBuffer

the specified slice of this data buffer

Annotations

@Override
@Deprecated

split back to summary

split	back to summary
public DataBuffer split(int index) Implements org.springframework.core.io.buffer.DataBuffer.split. Doc from org.springframework.core.io.buffer.DataBuffer.split. Splits this data buffer into two at the given index. Data that precedes the `index` will be returned in a new buffer, while this buffer will contain data that follows after `index`. Memory between the two buffers is shared, but independent and cannot overlap (unlike `slice`). The read and write position of the returned buffer are truncated to fit within the buffers capacity if necessary. The positions of this buffer are set to `0` if they are smaller than `index`. Parameters index:int the index at which it should be split Returns:DataBuffer a new data buffer, containing the bytes from index `0` to `index` Annotations @Override

public DataBuffer split(int index)

Implements org.springframework.core.io.buffer.DataBuffer.split.

Doc from org.springframework.core.io.buffer.DataBuffer.split.

Splits this data buffer into two at the given index.

Data that precedes the index will be returned in a new buffer, while this buffer will contain data that follows after index. Memory between the two buffers is shared, but independent and cannot overlap (unlike slice).

The read and write position of the returned buffer are truncated to fit within the buffers capacity if necessary. The positions of this buffer are set to 0 if they are smaller than index.

Parameters

index:int: the index at which it should be split

Returns:DataBuffer

a new data buffer, containing the bytes from index 0 to index

Annotations

@Override

toByteBuffer back to summary

toByteBuffer	back to summary
public ByteBuffer toByteBuffer(int index, int length) Implements org.springframework.core.io.buffer.DataBuffer.toByteBuffer. Doc from org.springframework.core.io.buffer.DataBuffer.toByteBuffer. Deprecated Returns a `ByteBuffer` representation of a subsequence of this buffer's bytes. Data between this `DataBuffer` and the returned `ByteBuffer` is not shared. Returns:ByteBuffer this data buffer as a byte buffer Annotations @Override @Deprecated

public ByteBuffer toByteBuffer(int index, int length)

Implements org.springframework.core.io.buffer.DataBuffer.toByteBuffer.

Doc from org.springframework.core.io.buffer.DataBuffer.toByteBuffer.

Deprecated

Returns a ByteBuffer representation of a subsequence of this buffer's bytes. Data between this DataBuffer and the returned ByteBuffer is not shared.

Returns:ByteBuffer

this data buffer as a byte buffer

Annotations

@Override
@Deprecated

toByteBuffer back to summary

toByteBuffer	back to summary
public void toByteBuffer(int srcPos, ByteBuffer dest, int destPos, int length) Implements org.springframework.core.io.buffer.DataBuffer.toByteBuffer. Doc from org.springframework.core.io.buffer.DataBuffer.toByteBuffer. Copies the given length from this data buffer into the given destination `ByteBuffer`, beginning at the given source position, and the given destination position in the destination byte buffer. Parameters srcPos:int the position of this data buffer from where copying should start dest:ByteBuffer the destination byte buffer destPos:int the position in `dest` to where copying should start length:int the amount of data to copy Annotations @Override

public void toByteBuffer(int srcPos, ByteBuffer dest, int destPos, int length)

Implements org.springframework.core.io.buffer.DataBuffer.toByteBuffer.

Doc from org.springframework.core.io.buffer.DataBuffer.toByteBuffer.

Copies the given length from this data buffer into the given destination ByteBuffer, beginning at the given source position, and the given destination position in the destination byte buffer.

Parameters

srcPos:int: the position of this data buffer from where copying should start
dest:ByteBuffer: the destination byte buffer
destPos:int: the position in dest to where copying should start
length:int: the amount of data to copy

Annotations

@Override

toString	back to summary
public String toString(int index, int length, Charset charset) Implements org.springframework.core.io.buffer.DataBuffer.toString. Doc from org.springframework.core.io.buffer.DataBuffer.toString. Return a part of this buffer's data as a String using the specified charset. Parameters index:int the index at which to start the string length:int the number of bytes to use for the string charset:Charset the charset to use Returns:String a string representation of a part of this buffers data Annotations @Override

toString

back to summary

public String toString(int index, int length, Charset charset)

Implements org.springframework.core.io.buffer.DataBuffer.toString.

Doc from org.springframework.core.io.buffer.DataBuffer.toString.

Return a part of this buffer's data as a String using the specified charset.

Parameters

index:int: the index at which to start the string
length:int: the number of bytes to use for the string
charset:Charset: the charset to use

Returns:String

a string representation of a part of this buffers data

Annotations

@Override

toString	back to summary
public String toString() Overrides java.lang.Object.toString. Doc from java.lang.Object.toString. Returns a string representation of the object. Returns:String a string representation of the object. Annotations @Override

toString

back to summary

public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object.

Returns:String

a string representation of the object.

Annotations

@Override

writableByteBuffers back to summary

writableByteBuffers	back to summary
public DataBuffer.ByteBufferIterator writableByteBuffers() Implements org.springframework.core.io.buffer.DataBuffer.writableByteBuffers. Doc from org.springframework.core.io.buffer.DataBuffer.writableByteBuffers. Returns a closeable iterator over each `ByteBuffer` in this data buffer that can be written to. The byte buffers provided can only be used during the iteration. Note that the returned iterator must be used in a try-with-resources clause or explicitly closed. Returns:DataBuffer.ByteBufferIterator a closeable iterator over the writable byte buffers contained in this data buffer Annotations @Override

public DataBuffer.ByteBufferIterator writableByteBuffers()

Implements org.springframework.core.io.buffer.DataBuffer.writableByteBuffers.

Doc from org.springframework.core.io.buffer.DataBuffer.writableByteBuffers.

Returns a closeable iterator over each ByteBuffer in this data buffer that can be written to. The byte buffers provided can only be used during the iteration.

Note

that the returned iterator must be used in a try-with-resources clause or explicitly closed.

Returns:DataBuffer.ByteBufferIterator

a closeable iterator over the writable byte buffers contained in this data buffer

Annotations

@Override

writableByteCount	back to summary
public int writableByteCount() Implements org.springframework.core.io.buffer.DataBuffer.writableByteCount. Doc from org.springframework.core.io.buffer.DataBuffer.writableByteCount. Return the number of bytes that can be written to this data buffer. Returns:int the writable byte count Annotations @Override

writableByteCount

back to summary

public int writableByteCount()

Implements org.springframework.core.io.buffer.DataBuffer.writableByteCount.

Doc from org.springframework.core.io.buffer.DataBuffer.writableByteCount.

Return the number of bytes that can be written to this data buffer.

Returns:int

the writable byte count

Annotations

@Override

write	back to summary
public DefaultDataBuffer write(byte b) Implements org.springframework.core.io.buffer.DataBuffer.write. Doc from org.springframework.core.io.buffer.DataBuffer.write. Write a single byte into this buffer at the current writing position. Parameters b:byte the byte to be written Returns:DefaultDataBuffer this buffer Annotations @Override

write

back to summary

public DefaultDataBuffer write(byte b)

Implements org.springframework.core.io.buffer.DataBuffer.write.

Doc from org.springframework.core.io.buffer.DataBuffer.write.

Write a single byte into this buffer at the current writing position.

Parameters

b:byte: the byte to be written

Returns:DefaultDataBuffer

this buffer

Annotations

@Override

write

back to summary

public DefaultDataBuffer write(byte[] source)

Implements org.springframework.core.io.buffer.DataBuffer.write.

Doc from org.springframework.core.io.buffer.DataBuffer.write.

Write the given source into this buffer, starting at the current writing position of this buffer.

Parameters

source:byte[]: the bytes to be written into this buffer

Returns:DefaultDataBuffer

this buffer

Annotations

@Override

write back to summary

public DefaultDataBuffer write(byte[] source, int offset, int length)

Implements org.springframework.core.io.buffer.DataBuffer.write.

Doc from org.springframework.core.io.buffer.DataBuffer.write.

Write at most length bytes of the given source into this buffer, starting at the current writing position of this buffer.

Parameters

source:byte[]: the bytes to be written into this buffer
offset:int: the index within source to start writing from
length:int: the maximum number of bytes to be written from source

Returns:DefaultDataBuffer

this buffer

Annotations

@Override

write back to summary

public DefaultDataBuffer write(DataBuffer... dataBuffers)

Implements org.springframework.core.io.buffer.DataBuffer.write.

Doc from org.springframework.core.io.buffer.DataBuffer.write.

Write one or more DataBuffers to this buffer, starting at the current writing position. It is the responsibility of the caller to release the given data buffers.

Parameters

dataBuffers:DataBuffer[]: the byte buffers to write into this buffer

Returns:DefaultDataBuffer

this buffer

Annotations

@Override

write back to summary

public DefaultDataBuffer write(ByteBuffer... buffers)

Implements org.springframework.core.io.buffer.DataBuffer.write.

Doc from org.springframework.core.io.buffer.DataBuffer.write.

Write one or more ByteBuffer to this buffer, starting at the current writing position.

Parameters

buffers:ByteBuffer[]: the byte buffers to write into this buffer

Returns:DefaultDataBuffer

this buffer

Annotations

@Override

write	back to summary
private void write(ByteBuffer source)

writePosition

back to summary

public int writePosition()

Implements org.springframework.core.io.buffer.DataBuffer.writePosition.

Doc from org.springframework.core.io.buffer.DataBuffer.writePosition.

Return the position to which this buffer will write.

Returns:int

the write position

Annotations

@Override

writePosition

back to summary

public DefaultDataBuffer writePosition(int writePosition)

Implements org.springframework.core.io.buffer.DataBuffer.writePosition.

Doc from org.springframework.core.io.buffer.DataBuffer.writePosition.

Set the position to which this buffer will write.

Parameters

writePosition:int: the new write position

Returns:DefaultDataBuffer

this buffer

Annotations

@Override

public Class DefaultDataBuffer

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private final Class DefaultDataBuffer.ByteBufferIterator

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private Class DefaultDataBuffer.SlicedDefaultDataBuffer

Constructor Summary

Method Summary

Constructor Detail

Method Detail

Modifier and Type	Method and Description
public void	close() Implements org.springframework.core.io.buffer.DataBuffer.ByteBufferIterator.close. Closes this stream and releases any system resources associated with it.
public boolean	hasNext() Implements java.util.Iterator.hasNext. Returns `true` if the iteration has more elements.
public ByteBuffer	next() Implements java.util.Iterator.next. Returns the next element in the iteration.