java.nio
Class BaseByteBuffer

java.lang.Object
  java.nio.Buffer
      java.nio.ByteBuffer
          java.nio.BaseByteBuffer

All Implemented Interfaces:

Comparable<ByteBuffer>

Direct Known Subclasses:

DirectByteBuffer, HeapByteBuffer

abstract class BaseByteBuffer
extends ByteBuffer

Serves as the root of other byte buffer impl classes, implements common methods that can be shared by child classes.

Field Summary

Fields inherited from class java.nio.ByteBuffer

order

Fields inherited from class java.nio.Buffer

_elementSizeShift, capacity, limit, mark, position, UNSET_MARK

Constructor Summary

protected

BaseByteBuffer(int capacity)

Method Summary

CharBuffer	asCharBuffer() Returns a char buffer which is based on the remaining content of this byte buffer.
DoubleBuffer	asDoubleBuffer() Returns a double buffer which is based on the remaining content of this byte buffer.
FloatBuffer	asFloatBuffer() Returns a float buffer which is based on the remaining content of this byte buffer.
IntBuffer	asIntBuffer() Returns a int buffer which is based on the remaining content of this byte buffer.
LongBuffer	asLongBuffer() Returns a long buffer which is based on the remaining content of this byte buffer.
ShortBuffer	asShortBuffer() Returns a short buffer which is based on the remaining content of this byte buffer.
char	getChar() Returns the char at the current position and increase the position by 2.
char	getChar(int index) Returns the char at the specified index.
ByteBuffer	putChar(char value) Writes the given char to the current position and increase the position by 2.
ByteBuffer	putChar(int index, char value) Write a char to the specified index of this buffer.

Methods inherited from class java.nio.ByteBuffer

_array, _arrayOffset, allocate, allocateDirect, array, arrayOffset, asReadOnlyBuffer, compact, compareTo, duplicate, equals, get, get, get, get, getDouble, getDouble, getFloat, getFloat, getInt, getInt, getLong, getLong, getShort, getShort, hasArray, hashCode, isDirect, order, order, orderImpl, protectedArray, protectedArrayOffset, protectedHasArray, put, put, put, put, put, putDouble, putDouble, putFloat, putFloat, putInt, putInt, putLong, putLong, putShort, putShort, slice, toString, wrap, wrap

Methods inherited from class java.nio.Buffer

capacity, clear, flip, hasRemaining, isReadOnly, limit, limit, mark, position, position, remaining, reset, rewind

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

BaseByteBuffer

protected BaseByteBuffer(int capacity)

Method Detail

asCharBuffer

public final CharBuffer asCharBuffer()

Description copied from class: ByteBuffer

Returns a char buffer which is based on the remaining content of this byte buffer.

The new buffer's position is zero, its limit and capacity is the number of remaining bytes divided by two, and its mark is not set. The new buffer's readonly property and byte order are same as this buffer. The new buffer is direct, if this byte buffer is direct.

The new buffer shares content with this buffer, which means either buffer's change of content will be visible to the other. The two buffer's position, limit and mark are independent.

Specified by:

asCharBuffer in class ByteBuffer

Returns:

A char buffer which is based on the content of this byte buffer.

asDoubleBuffer

public final DoubleBuffer asDoubleBuffer()

Description copied from class: ByteBuffer

Returns a double buffer which is based on the remaining content of this byte buffer.

The new buffer's position is zero, its limit and capacity is the number of remaining bytes divided by two, and its mark is not set. The new buffer's readonly property and byte order are same as this buffer. The new buffer is direct, if this byte buffer is direct.

The new buffer shares content with this buffer, which means either buffer's change of content will be visible to the other. The two buffer's position, limit and mark are independent.

Specified by:

asDoubleBuffer in class ByteBuffer

Returns:

A double buffer which is based on the content of this byte buffer.

asFloatBuffer

public final FloatBuffer asFloatBuffer()

Description copied from class: ByteBuffer

Returns a float buffer which is based on the remaining content of this byte buffer.

The new buffer's position is zero, its limit and capacity is the number of remaining bytes divided by two, and its mark is not set. The new buffer's readonly property and byte order are same as this buffer. The new buffer is direct, if this byte buffer is direct.

The new buffer shares content with this buffer, which means either buffer's change of content will be visible to the other. The two buffer's position, limit and mark are independent.

Specified by:

asFloatBuffer in class ByteBuffer

Returns:

A float buffer which is based on the content of this byte buffer.

asIntBuffer

public final IntBuffer asIntBuffer()

Description copied from class: ByteBuffer

Returns a int buffer which is based on the remaining content of this byte buffer.

The new buffer's position is zero, its limit and capacity is the number of remaining bytes divided by two, and its mark is not set. The new buffer's readonly property and byte order are same as this buffer. The new buffer is direct, if this byte buffer is direct.

The new buffer shares content with this buffer, which means either buffer's change of content will be visible to the other. The two buffer's position, limit and mark are independent.

Specified by:

asIntBuffer in class ByteBuffer

Returns:

A int buffer which is based on the content of this byte buffer.

asLongBuffer

public final LongBuffer asLongBuffer()

Description copied from class: ByteBuffer

Returns a long buffer which is based on the remaining content of this byte buffer.

The new buffer's position is zero, its limit and capacity is the number of remaining bytes divided by two, and its mark is not set. The new buffer's readonly property and byte order are same as this buffer. The new buffer is direct, if this byte buffer is direct.

The new buffer shares content with this buffer, which means either buffer's change of content will be visible to the other. The two buffer's position, limit and mark are independent.

Specified by:

asLongBuffer in class ByteBuffer

Returns:

A long buffer which is based on the content of this byte buffer.

asShortBuffer

public final ShortBuffer asShortBuffer()

Description copied from class: ByteBuffer

Returns a short buffer which is based on the remaining content of this byte buffer.

The new buffer's position is zero, its limit and capacity is the number of remaining bytes divided by two, and its mark is not set. The new buffer's readonly property and byte order are same as this buffer. The new buffer is direct, if this byte buffer is direct.

The new buffer shares content with this buffer, which means either buffer's change of content will be visible to the other. The two buffer's position, limit and mark are independent.

Specified by:

asShortBuffer in class ByteBuffer

Returns:

A short buffer which is based on the content of this byte buffer.

getChar

public final char getChar()

Description copied from class: ByteBuffer

Returns the char at the current position and increase the position by 2.

The 2 bytes start from the current position are composed into a char according to current byte order and returned. The position increases by 2.

Specified by:

getChar in class ByteBuffer

Returns:

The char at the current position.

getChar

public final char getChar(int index)

Description copied from class: ByteBuffer

Returns the char at the specified index.

The 2 bytes start from the specified index are composed into a char according to current byte order and returned. The position is not changed.

Specified by:

getChar in class ByteBuffer

Parameters:

index - The index, must be no less than zero and equal or less than limit - 2

Returns:

The char at the specified index.

putChar

public final ByteBuffer putChar(char value)

Description copied from class: ByteBuffer

Writes the given char to the current position and increase the position by 2.

The char is converted to bytes using the current byte order.

Specified by:

putChar in class ByteBuffer

Parameters:

value - The char to write

Returns:

This buffer

putChar

public final ByteBuffer putChar(int index,
                                char value)

Description copied from class: ByteBuffer

Write a char to the specified index of this buffer.

The char is converted to bytes using the current byte order. The position is not changed.

Specified by:

putChar in class ByteBuffer

Parameters:

index - The index, must be no less than zero and equal or less than limit - 2

value - The char to write

Returns:

This buffer