Package org.jppf.utils.streams

Class MultipleBuffersInputStream

java.lang.Object

java.io.InputStream

org.jppf.utils.streams.MultipleBuffersInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class MultipleBuffersInputStream
extends InputStream

An output stream implementation that minimizes memory usage.

Author:

Laurent Cohen

Constructor Summary

Constructors

Constructor	Description
MultipleBuffersInputStream(JPPFBuffer[] buffers)	Initialize this input stream with the specified buffers.

Method Summary

Modifier and Type	Method	Description
int	read()	Read a single byte from this input stream.
int	read(byte[] b)	Read from this input stream into the specified byte array.
int	read(byte[] b, int off, int len)	Read from this input stream into the specified byte array.
String	toString()

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, nullInputStream, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

MultipleBuffersInputStream

public MultipleBuffersInputStream(JPPFBuffer[] buffers)

Initialize this input stream with the specified buffers.

Parameters:

buffers - an array of JPPFBuffer instances.

Method Details

read

public int read()
         throws IOException

Read a single byte from this input stream.

Specified by:

read in class InputStream

Returns:

the data read.

Throws:

IOException - if any error occurs.

read

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

Read from this input stream into the specified byte array.

Overrides:

read in class InputStream

Parameters:

b - buffer that receives the data read form this stream.

off - the start offset in the buffer.

len - the number of bytes to read.

Returns:

the number of bytes read from the stream, or -1 if end of file was reached.

Throws:

IOException - if any error occurs.

read

public int read(byte[] b)
         throws IOException

Read from this input stream into the specified byte array.

Overrides:

read in class InputStream

Parameters:

b - buffer that receives the data read form this stream.

Returns:

the number of bytes read from the stream, or -1 if end of file was reached.

Throws:

IOException - if any error occurs.

toString

public String toString()

Overrides:

toString in class Object