net.netheos.pcsapi.bytesio
Class RangeByteSource

java.lang.Object
  net.netheos.pcsapi.bytesio.RangeByteSource

All Implemented Interfaces:

ByteSource

public class RangeByteSource
extends Object
implements ByteSource

A byte source view of a range of bytes from an underlying byte source. TODO : only 1 RangeByteSource is acceptable in pipeline, because of seek()

Constructor Summary

RangeByteSource(ByteSource source)

RangeByteSource(ByteSource source, long startOffset)

RangeByteSource(ByteSource source, long startOffset, long length)

Method Summary

long	length() Return length of stream (must be known before consuming stream)
InputStream	openStream() Returns a ByteSourceStream object for reading data, to be closed by caller
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

RangeByteSource

public RangeByteSource(ByteSource source)

RangeByteSource

public RangeByteSource(ByteSource source,
                       long startOffset)

RangeByteSource

public RangeByteSource(ByteSource source,
                       long startOffset,
                       long length)

Method Detail

openStream

public InputStream openStream()
                       throws IOException

Description copied from interface: ByteSource

Returns a ByteSourceStream object for reading data, to be closed by caller

Specified by:

openStream in interface ByteSource

Returns:

the underlying stream

Throws:

IOException

length

public long length()

Description copied from interface: ByteSource

Return length of stream (must be known before consuming stream)

Specified by:

length in interface ByteSource

Returns:

The stream bytes count

toString

public String toString()

Overrides:

toString in class Object