java.io
Class ByteArrayOutputStream

java.lang.Object
  |
  +--java.io.OutputStream
        |
        +--java.io.ByteArrayOutputStream

All Implemented Interfaces:

Writable

public class ByteArrayOutputStream

extends OutputStream

An output stream that stores into a byte array

Field Summary

protected byte[]	buf The buffer to store data in
protected int	count The number of bytes in the buffer

Constructor Summary

ByteArrayOutputStream()
Create a new output stream

ByteArrayOutputStream(int size)
Create a new output stream of the size

Method Summary

void	close() Close the stream
void	reset() Reset the stream
int	size() Return the size of the stream
byte[]	toByteArray() Create a new array with the contents
java.lang.String	toString() Convert to a string
void	write(byte[] b, int off, int len) Write a byte array to the array
void	write(int b) Write to the array

Methods inherited from class java.io.OutputStream

flush, write

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

buf

protected byte[] buf

The buffer to store data in

count

protected int count

The number of bytes in the buffer

Constructor Detail

ByteArrayOutputStream

public ByteArrayOutputStream()
                      throws IllegalArgumentException

Create a new output stream

ByteArrayOutputStream

public ByteArrayOutputStream(int size)
                      throws IllegalArgumentException

Create a new output stream of the size

Parameters:

size - The size

Throws:

IllegalArgumentException - if the size is negative

Method Detail

close

public void close()
           throws IOException

Close the stream

Overrides:

close in class OutputStream

Throws:

IOException

reset

public void reset()

Reset the stream

size

public int size()

Return the size of the stream

Returns:

the size

toByteArray

public byte[] toByteArray()

Create a new array with the contents

Returns:

the array

toString

public java.lang.String toString()

Convert to a string

Overrides:

toString in class Object

Returns:

the string

write

public void write(int b)

Write to the array

Specified by:

write in interface Writable

Specified by:

write in class OutputStream

Parameters:

b - The byte

write

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

Write a byte array to the array

Specified by:

write in interface Writable

Overrides:

write in class OutputStream

Parameters:

b - The array

off - The offset

len - The length