org.apache.hc.core5.http.impl.nio

类 ExpandableBuffer

java.lang.Object

org.apache.hc.core5.http.impl.nio.ExpandableBuffer

直接已知子类:

BufferedData, SharedInputBuffer, SharedOutputBuffer

@Internal
public class ExpandableBuffer
extends Object

A buffer that expand its capacity on demand. Internally, this class is backed by an instance of ByteBuffer.

This class is not thread safe.

从以下版本开始:

4.0

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	ExpandableBuffer.Mode

构造器概要

构造器

限定符	构造器和说明
protected	ExpandableBuffer(int bufferSize) Allocates buffer of the given size using the given allocator.

方法概要

限定符和类型	方法和说明
protected ByteBuffer	buffer()
protected int	capacity() Returns available capacity of this buffer.
protected void	clear() Clears buffer.
protected void	ensureAdjustedCapacity(int requiredCapacity) Ensures the buffer can accommodate at least the required capacity adjusted to multiples of 1024.
protected void	ensureCapacity(int requiredCapacity) Ensures the buffer can accommodate the exact required capacity.
protected void	expand() Expands buffer's capacity.
protected boolean	hasData() Determines if the buffer contains data.
protected int	length() Returns the length of this buffer.
protected ExpandableBuffer.Mode	mode() Returns the current mode: ExpandableBuffer.Mode.INPUT: the buffer is in the input mode.
protected void	setInputMode() Sets the mode to input.
protected void	setOutputMode() Sets the mode to output.
String	toString()

从类继承的方法 java.lang.Object

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

构造器详细资料

ExpandableBuffer

protected ExpandableBuffer(int bufferSize)

Allocates buffer of the given size using the given allocator.

Sets the mode to input.

参数:

bufferSize - the buffer size.

方法详细资料

mode

protected ExpandableBuffer.Mode mode()

Returns the current mode:

ExpandableBuffer.Mode.INPUT: the buffer is in the input mode.

ExpandableBuffer.Mode.OUTPUT: the buffer is in the output mode.

返回:

current input/output mode.

buffer

protected ByteBuffer buffer()

setOutputMode

protected void setOutputMode()

Sets the mode to output. The buffer can now be read from.

setInputMode

protected void setInputMode()

Sets the mode to input. The buffer can now be written into.

expand

protected void expand()
               throws BufferOverflowException

Expands buffer's capacity.

抛出:

BufferOverflowException - in case we get over the maximum allowed value

ensureCapacity

protected void ensureCapacity(int requiredCapacity)

Ensures the buffer can accommodate the exact required capacity.

参数:

requiredCapacity - the required capacity.

ensureAdjustedCapacity

protected void ensureAdjustedCapacity(int requiredCapacity)

Ensures the buffer can accommodate at least the required capacity adjusted to multiples of 1024.

参数:

requiredCapacity - the required capacity.

hasData

protected boolean hasData()

Determines if the buffer contains data.

Sets the mode to output.

返回:

true if there is data in the buffer, false otherwise.

length

protected int length()

Returns the length of this buffer.

Sets the mode to output.

返回:

buffer length.

capacity

protected int capacity()

Returns available capacity of this buffer.

返回:

buffer length.

clear

protected void clear()

Clears buffer.

Sets the mode to input.

toString

public String toString()

覆盖:

toString 在类中 Object