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org.globus.ftp
Class Buffer

java.lang.Object
  |
  +--org.globus.ftp.Buffer

public class Buffer

extends Object

Represents a chunk of data cut out of a larger data volume. Buffer is characterized by offset at which it belongs to the larger data volume, and length. The internal data array always starts at 0 and ends at length -1. Its indexing has nothing to do with offset.

Field Summary

protected byte[]	buf
protected int	length
protected long	offset

Constructor Summary

Buffer(byte[] buf, int length)

Buffer(byte[] buf, int length, long offset)

Method Summary

byte[]	getBuffer()
int	getLength()
long	getOffset()

Methods inherited from class java.lang.Object

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

Field Detail

buf

protected byte[] buf

length

protected int length

offset

protected long offset

Constructor Detail

Buffer

public Buffer(byte[] buf,
              int length)

Parameters:

buff - the data buffer (always starts at 0)

length - length of the data in the buffer

Buffer

public Buffer(byte[] buf,
              int length,
              long offset)

Parameters:

buff - the data buffer (always starts at 0)

length - length of the data in the buffer

offset - offset of the data the buffer was read from. this is not the offset of the buffer.

Method Detail

getBuffer

public byte[] getBuffer()

getLength

public int getLength()

getOffset

public long getOffset()