org.aredis.io

Class ReusableByteArrayOutputStream

java.lang.Object

java.io.OutputStream

java.io.ByteArrayOutputStream

org.aredis.io.ReusableByteArrayOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class ReusableByteArrayOutputStream
extends ByteArrayOutputStream

A GC friendly ByteArrayOutputStream which has a getInputStream method to read the internal byte array without having to copy the contents.

Author:

Suresh

Field Summary

Fields inherited from class java.io.ByteArrayOutputStream

buf, count

Constructor Summary

Constructors

Constructor and Description
ReusableByteArrayOutputStream() Creates a ByteArrayOutputStream by calling the super class's constructor.
ReusableByteArrayOutputStream(int size) Creates a ByteArrayOutputStream by calling the super class's constructor.

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	getBuf() Gets the underlying buffer.
int	getCount() Current count of the bytes in the buffer.
ByteArrayInputStream	getInputStream() Gets an Input Stream from which one can read the contents of the data written to the stream.
void	reset(int maxBufSize) Resets the stream and in addition limits the internal buffer's size to maxBufSize.
void	setBuf(byte[] b) Sets a new buffer and resets the stream.
void	setCount(int pcount) Sets the count value.

Methods inherited from class java.io.ByteArrayOutputStream

close, reset, size, toByteArray, toString, toString, toString, write, write, writeTo

Methods inherited from class java.io.OutputStream

flush, write

Methods inherited from class java.lang.Object

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

Constructor Detail

ReusableByteArrayOutputStream

public ReusableByteArrayOutputStream()

Creates a ByteArrayOutputStream by calling the super class's constructor.

ReusableByteArrayOutputStream

public ReusableByteArrayOutputStream(int size)

Creates a ByteArrayOutputStream by calling the super class's constructor.

Parameters:

size - the initial size.

Throws:

IllegalArgumentException - if size is negative.

Method Detail

reset

public void reset(int maxBufSize)

Resets the stream and in addition limits the internal buffer's size to maxBufSize.

Parameters:

maxBufSize - Max Buf Size after reset

getInputStream

public ByteArrayInputStream getInputStream()

Gets an Input Stream from which one can read the contents of the data written to the stream.

Returns:

Input Stream for reading data

getCount

public int getCount()

Current count of the bytes in the buffer. The data starts from index 0.

Returns:

Count of bytes written

setCount

public void setCount(int pcount)

Sets the count value. This is a low level functionality for manipulating the stream.

Parameters:

pcount -

getBuf

public byte[] getBuf()

Gets the underlying buffer. This is again a low level functionality.

Returns:

Internal buffer being used which might be replaced when capacity is expanded

setBuf

public void setBuf(byte[] b)

Sets a new buffer and resets the stream. This is also a low level functionality.

Parameters:

b - New buffer to use