net.dontdrinkandroot.utils.lang

Class FastByteArrayOutputStream

java.lang.Object

java.io.OutputStream

net.dontdrinkandroot.utils.lang.FastByteArrayOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class FastByteArrayOutputStream
extends OutputStream

ByteArrayOutputStream implementation that doesn't synchronize methods and doesn't copy the data on toByteArray(). Source: http://javatechniques.com/blog/faster-deep-copies-of-java-objects/

Field Summary

Fields

Modifier and Type	Field and Description
protected byte[]	buf Buffer and size
protected int	size

Constructor Summary

Constructors

Constructor and Description
FastByteArrayOutputStream() Constructs a stream with buffer capacity size 5K
FastByteArrayOutputStream(int initSize) Constructs a stream with the given initial size

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	getByteArray() Returns the byte array containing the written data.
InputStream	getInputStream() Returns a ByteArrayInputStream for reading back the written data
int	getSize()
void	reset()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.io.OutputStream

close, flush

Methods inherited from class java.lang.Object

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

Field Detail

buf

protected byte[] buf

Buffer and size

size

protected int size

Constructor Detail

FastByteArrayOutputStream

public FastByteArrayOutputStream()

Constructs a stream with buffer capacity size 5K

FastByteArrayOutputStream

public FastByteArrayOutputStream(int initSize)

Constructs a stream with the given initial size

Method Detail

getSize

public int getSize()

getByteArray

public byte[] getByteArray()

Returns the byte array containing the written data. Note that this array will almost always be larger than the amount of data actually written.

write

public final void write(byte[] b)

Overrides:

write in class OutputStream

write

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

Overrides:

write in class OutputStream

write

public final void write(int b)

Specified by:

write in class OutputStream

reset

public void reset()

getInputStream

public InputStream getInputStream()

Returns a ByteArrayInputStream for reading back the written data