Package org.jppf.utils.streams

Class MultipleBuffersOutputStream

java.lang.Object

java.io.OutputStream

org.jppf.utils.streams.MultipleBuffersOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class MultipleBuffersOutputStream
extends OutputStream

An output stream implementation that minimizes memory usage.

Author:

Laurent Cohen

Constructor Summary

Constructors

Constructor	Description
MultipleBuffersOutputStream()	Initialize this output stream with a default buffer length of 32768.
MultipleBuffersOutputStream(List<JPPFBuffer> initialList)	Initialize this output stream with a default buffer length of 32768.

Method Summary

Modifier and Type	Method	Description
int	size()	Get the size of the content of this output stream.
List<JPPFBuffer>	toBufferList()	Get the content of the output stream as a list of JPPFBuffer instances.
String	toString()
void	write(byte[] b)	Writes the specified byte array to this output stream.
void	write(byte[] b, int off, int len)	Writes len bytes from the specified byte array starting at offset off to this output stream.
void	write(int b)	Write a single byte into this output stream.

Methods inherited from class java.io.OutputStream

close, flush, nullOutputStream

Methods inherited from class java.lang.Object

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

Constructor Details

MultipleBuffersOutputStream

public MultipleBuffersOutputStream()

Initialize this output stream with a default buffer length of 32768.

MultipleBuffersOutputStream

public MultipleBuffersOutputStream(List<JPPFBuffer> initialList)

Initialize this output stream with a default buffer length of 32768.

Parameters:

initialList - contains the data that is written to this output stream.

Method Details

write

public void write(int b)
           throws IOException

Write a single byte into this output stream.

Specified by:

write in class OutputStream

Parameters:

b - the data to write.

Throws:

IOException - if any error occurs.

write

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

Writes len bytes from the specified byte array starting at offset off to this output stream.

Overrides:

write in class OutputStream

Parameters:

b - the data.

off - the start offset in the data.

len - the number of bytes to write.

Throws:

IOException - if any error occurs.

write

public void write(byte[] b)
           throws IOException

Writes the specified byte array to this output stream.

Overrides:

write in class OutputStream

Parameters:

b - the data to write.

Throws:

IOException - if any error occurs.

size

public int size()

Get the size of the content of this output stream.

Returns:

the size as an int value.

toBufferList

public List<JPPFBuffer> toBufferList()

Get the content of the output stream as a list of JPPFBuffer instances.

Returns:

a list of JPPFBuffer instances.

toString

public String toString()

Overrides:

toString in class Object