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Home -> Cog -> Release -> Cog-1.0a -> Doc -> Api -> Org -> Globus -> Ftp

org.globus.ftp
Class FileRandomIO

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

All Implemented Interfaces:

DataSink, DataSource

public class FileRandomIO

extends java.lang.Object

implements DataSink, DataSource

Thread safe reference implementation of DataSink and DataSource. Implements reading and writing data to a local file.

Field Summary

protected int	bufferSize
static int	DEFAULT_BUFFER_SIZE
protected java.io.RandomAccessFile	file

Constructor Summary

FileRandomIO(java.io.RandomAccessFile file)
Behave like FileRandomIO(file, DEFAULT_BUFFER_SIZE)

FileRandomIO(java.io.RandomAccessFile file, int bufferSize)

Method Summary

void	close() Closes the underlying file
Buffer	read() In this implementation, each read() returns data sequentially.
void	write(Buffer buffer)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_BUFFER_SIZE

public static final int DEFAULT_BUFFER_SIZE

See Also:

Constant Field Values

bufferSize

protected int bufferSize

file

protected java.io.RandomAccessFile file

Constructor Detail

FileRandomIO

public FileRandomIO(java.io.RandomAccessFile file)

Behave like FileRandomIO(file, DEFAULT_BUFFER_SIZE)

Parameters:

file - local file that will be be used as data source or destination

FileRandomIO

public FileRandomIO(java.io.RandomAccessFile file,
                    int bufferSize)

Parameters:

file - local file that will be be used as data source or destination

bufferSize - size of the buffer returned during single read operation

Method Detail

write

public void write(Buffer buffer)
           throws java.io.IOException

Specified by:

write in interface DataSink

java.io.IOException

read

public Buffer read()
            throws java.io.IOException

In this implementation, each read() returns data sequentially.

Specified by:

read in interface DataSource

java.io.IOException

close

public void close()
           throws java.io.IOException

Closes the underlying file

Specified by:

close in interface DataSink

java.io.IOException