Class ByteBufferOutputStream

java.lang.Object

java.io.OutputStream

org.jgroups.util.BaseDataOutputStream

org.jgroups.util.ByteBufferOutputStream

All Implemented Interfaces:

Closeable, DataOutput, Flushable, AutoCloseable

public class ByteBufferOutputStream
extends BaseDataOutputStream

Class using ByteBuffer and implementing DataOutput. The underlying ByteBuffer will be grown when the capacity is too small.

Since:

3.5

Author:

Bela Ban

Field Summary

Fields

Modifier and Type	Field	Description
protected ByteBuffer	buf
protected boolean	use_direct_memory

Fields inherited from class BaseDataOutputStream

grow_exponentially, pos

Constructor Summary

Constructors

Constructor	Description
ByteBufferOutputStream()
ByteBufferOutputStream(int capacity)
ByteBufferOutputStream(int capacity, boolean grow_exponentially, boolean use_direct_memory)
ByteBufferOutputStream(ByteBuffer buf)

Method Summary

Modifier and Type	Method	Description
ByteBuffer	buf()
int	capacity()
protected void	ensureCapacity(int bytes)	Grows the buffer; whether linearly or exponentially depends on grow_exponentially
int	limit()
int	position()
ByteBufferOutputStream	position(int p)
BaseDataOutputStream	reset()
String	toString()
boolean	useDirectMemory()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)
void	writeBoolean(boolean v)
void	writeByte(int v)
void	writeBytes(String s)
void	writeChar(int v)
void	writeChars(String s)
void	writeDouble(double v)
void	writeFloat(float v)
void	writeInt(int v)
void	writeLong(long v)
void	writeShort(int v)
void	writeUTF(String str)

Methods inherited from class BaseDataOutputStream

checkBounds, growExponentially, growExponentially

Methods inherited from class OutputStream

close, flush, nullOutputStream

Methods inherited from class Object

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

Field Details

buf

protected ByteBuffer buf

use_direct_memory

protected boolean use_direct_memory

Constructor Details

ByteBufferOutputStream

public ByteBufferOutputStream(ByteBuffer buf)

ByteBufferOutputStream

public ByteBufferOutputStream()

ByteBufferOutputStream

public ByteBufferOutputStream(int capacity)

ByteBufferOutputStream

public ByteBufferOutputStream(int capacity,
 boolean grow_exponentially,
 boolean use_direct_memory)

Method Details

buf

public ByteBuffer buf()

reset

public BaseDataOutputStream reset()

Overrides:

reset in class BaseDataOutputStream

position

public int position()

Overrides:

position in class BaseDataOutputStream

position

public ByteBufferOutputStream position(int p)

Overrides:

position in class BaseDataOutputStream

limit

public int limit()

capacity

public int capacity()

useDirectMemory

public boolean useDirectMemory()

write

public void write(int b)
           throws IOException

Specified by:

write in interface DataOutput

Specified by:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b)
           throws IOException

Specified by:

write in interface DataOutput

Overrides:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b,
 int off,
 int len)
           throws IOException

Specified by:

write in interface DataOutput

Overrides:

write in class OutputStream

Throws:

IOException

writeBoolean

public void writeBoolean(boolean v)
                  throws IOException

Specified by:

writeBoolean in interface DataOutput

Overrides:

writeBoolean in class BaseDataOutputStream

Throws:

IOException

writeByte

public void writeByte(int v)
               throws IOException

Specified by:

writeByte in interface DataOutput

Overrides:

writeByte in class BaseDataOutputStream

Throws:

IOException

writeShort

public void writeShort(int v)
                throws IOException

Specified by:

writeShort in interface DataOutput

Overrides:

writeShort in class BaseDataOutputStream

Throws:

IOException

writeChar

public void writeChar(int v)
               throws IOException

Specified by:

writeChar in interface DataOutput

Overrides:

writeChar in class BaseDataOutputStream

Throws:

IOException

writeInt

public void writeInt(int v)
              throws IOException

Specified by:

writeInt in interface DataOutput

Overrides:

writeInt in class BaseDataOutputStream

Throws:

IOException

writeLong

public void writeLong(long v)
               throws IOException

Specified by:

writeLong in interface DataOutput

Overrides:

writeLong in class BaseDataOutputStream

Throws:

IOException

writeFloat

public void writeFloat(float v)
                throws IOException

Specified by:

writeFloat in interface DataOutput

Overrides:

writeFloat in class BaseDataOutputStream

Throws:

IOException

writeDouble

public void writeDouble(double v)
                 throws IOException

Specified by:

writeDouble in interface DataOutput

Overrides:

writeDouble in class BaseDataOutputStream

Throws:

IOException

writeBytes

public void writeBytes(String s)
                throws IOException

Specified by:

writeBytes in interface DataOutput

Overrides:

writeBytes in class BaseDataOutputStream

Throws:

IOException

writeChars

public void writeChars(String s)
                throws IOException

Specified by:

writeChars in interface DataOutput

Overrides:

writeChars in class BaseDataOutputStream

Throws:

IOException

writeUTF

public void writeUTF(String str)
              throws IOException

Specified by:

writeUTF in interface DataOutput

Overrides:

writeUTF in class BaseDataOutputStream

Throws:

IOException

toString

public String toString()

Overrides:

toString in class BaseDataOutputStream

ensureCapacity

protected void ensureCapacity(int bytes)

Grows the buffer; whether linearly or exponentially depends on grow_exponentially

Specified by:

ensureCapacity in class BaseDataOutputStream