com.partnersoft.io
Class VFSRandomAccess

java.lang.Object
  com.partnersoft.io.VFSRandomAccess

Direct Known Subclasses:

CachingVFSRandomAccess

public abstract class VFSRandomAccess
extends java.lang.Object

A random-access file in a VFS. Subclasses implement real functionality.

Author:

Paul Reavis Copyright 2004 Partner Software, Inc.

Constructor Summary

VFSRandomAccess()

Method Summary

abstract void	close()
abstract int	getLength()
abstract int	getPosition()
abstract int	read()
abstract int	read(byte[] array, int start, int length)
byte	readByte()
double	readDouble()
float	readFloat()
void	readFully(byte[] array)
void	readFully(byte[] array, int start, int length)
int	readInt()
long	readLong()
short	readShort()
short	readUnsignedByte()
int	readUnsignedShort()
abstract void	setPosition(int newPosition)
void	skip(int count)

Methods inherited from class java.lang.Object

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

Constructor Detail

VFSRandomAccess

public VFSRandomAccess()

Method Detail

setPosition

public abstract void setPosition(int newPosition)
                          throws java.io.IOException

Throws:

java.io.IOException

read

public abstract int read()
                  throws java.io.IOException

Throws:

java.io.IOException

read

public abstract int read(byte[] array,
                         int start,
                         int length)
                  throws java.io.IOException

Throws:

java.io.IOException

getLength

public abstract int getLength()
                       throws java.io.IOException

Throws:

java.io.IOException

getPosition

public abstract int getPosition()
                         throws java.io.IOException

Throws:

java.io.IOException

close

public abstract void close()
                    throws java.io.IOException

Throws:

java.io.IOException

skip

public void skip(int count)
          throws java.io.IOException

Throws:

java.io.IOException

readFully

public void readFully(byte[] array,
                      int start,
                      int length)
               throws java.io.IOException

Throws:

java.io.IOException

readFully

public void readFully(byte[] array)
               throws java.io.IOException

Throws:

java.io.IOException

readByte

public byte readByte()
              throws java.io.IOException

Throws:

java.io.IOException

readUnsignedByte

public short readUnsignedByte()
                       throws java.io.IOException

Throws:

java.io.IOException

readShort

public short readShort()
                throws java.io.IOException

Throws:

java.io.IOException

readUnsignedShort

public int readUnsignedShort()
                      throws java.io.IOException

Throws:

java.io.IOException

readInt

public int readInt()
            throws java.io.IOException

Throws:

java.io.IOException

readLong

public long readLong()
              throws java.io.IOException

Throws:

java.io.IOException

readFloat

public float readFloat()
                throws java.io.IOException

Throws:

java.io.IOException

readDouble

public double readDouble()
                  throws java.io.IOException

Throws:

java.io.IOException