org.xvolks.jnative.pointers
Class NullPointer

java.lang.Object
  org.xvolks.jnative.pointers.Pointer
      org.xvolks.jnative.pointers.NullPointer

public class NullPointer
extends Pointer

$Id: NullPointer.java,v 1.8 2006/06/09 20:44:04 mdenty Exp $;

This class encapsulate a native NULL pointer.

This software is released under the LGPL.

Field Summary

static Pointer

NULL

Constructor Summary

NullPointer()
Constructor creates a null Pointer with a size of allocated memory set to zero

Method Summary

void	dispose() Method dispose does nothing because there is no need to free some memory
byte	getAsByte(int offset) Method getAsByte
int	getAsInt(int offset) Method getAsInt
long	getAsLong(int offset) Method getAsLong
short	getAsShort(int offset) Method getAsShort
java.lang.String	getAsString() Method getAsString
byte[]	getMemory() Method getMemory
int	getPointer() Method getPointer
int	getSize() Method getSize
int	setByteAt(int offset, byte value) Method setByteAt
int	setIntAt(int offset, int value) Method setIntAt
int	setLongAt(int offset, int value) Method setLongAt
void	setMemory(byte[] buffer) Method setMemory
void	setMemory(java.lang.String buffer) Method setMemory
int	setShortAt(int offset, short value) Method setShortAt
int	setStringAt(int offset, java.lang.String value) Method setStringAt
void	zeroMemory() Method zeroMemory

Methods inherited from class org.xvolks.jnative.pointers.Pointer

asLONG, finalize, getAsDouble, getAsFloat, isNull, setDoubleAt, setFloatAt, setLongAt

Methods inherited from class java.lang.Object

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

Field Detail

NULL

public static Pointer NULL

Constructor Detail

NullPointer

public NullPointer()

Constructor creates a null Pointer with a size of allocated memory set to zero

Method Detail

dispose

public void dispose()

Method dispose does nothing because there is no need to free some memory

Overrides:

dispose in class Pointer

getPointer

public int getPointer()

Method getPointer

Overrides:

getPointer in class Pointer

Returns:

the address of this pointer

getSize

public int getSize()

Method getSize

Overrides:

getSize in class Pointer

Returns:

the size of the memory block addressed by this pointer

getAsByte

public byte getAsByte(int offset)
               throws NativeException

Method getAsByte

Overrides:

getAsByte in class Pointer

Parameters:

offset - not used

Returns:

nothing

Throws:

NativeException

java.lang.NullPointerException - allways

getAsInt

public int getAsInt(int offset)
             throws NativeException

Method getAsInt

Overrides:

getAsInt in class Pointer

Parameters:

offset - not used

Returns:

nothing

Throws:

NativeException

java.lang.NullPointerException - allways

getAsLong

public long getAsLong(int offset)
               throws NativeException

Method getAsLong

Overrides:

getAsLong in class Pointer

Parameters:

offset - not used

Returns:

nothing

Throws:

NativeException

java.lang.NullPointerException - allways

getAsShort

public short getAsShort(int offset)
                 throws NativeException

Method getAsShort

Overrides:

getAsShort in class Pointer

Parameters:

offset - not used

Returns:

nothing

Throws:

NativeException

java.lang.NullPointerException - allways

getAsString

public java.lang.String getAsString()
                             throws NativeException

Method getAsString

Overrides:

getAsString in class Pointer

Returns:

nothing

Throws:

NativeException

java.lang.NullPointerException - allways

getMemory

public byte[] getMemory()
                 throws NativeException

Method getMemory

Overrides:

getMemory in class Pointer

Returns:

nothing

Throws:

NativeException

java.lang.NullPointerException - allways

setByteAt

public int setByteAt(int offset,
                     byte value)
              throws NativeException

Method setByteAt

Overrides:

setByteAt in class Pointer

Parameters:

offset - not used

value - not used

Returns:

nothing

Throws:

NativeException

java.lang.NullPointerException - allways

setIntAt

public int setIntAt(int offset,
                    int value)
             throws NativeException

Method setIntAt

Overrides:

setIntAt in class Pointer

Parameters:

offset - not used

value - not used

Returns:

nothing

Throws:

NativeException

java.lang.NullPointerException - allways

setLongAt

public int setLongAt(int offset,
                     int value)
              throws NativeException

Method setLongAt

Parameters:

offset - not used

value - not used

Returns:

nothing

Throws:

NativeException

java.lang.NullPointerException - allways

setMemory

public void setMemory(java.lang.String buffer)
               throws NativeException

Method setMemory

Overrides:

setMemory in class Pointer

Parameters:

buffer - not used

Throws:

NativeException

java.lang.NullPointerException - allways

setMemory

public void setMemory(byte[] buffer)
               throws NativeException

Method setMemory

Overrides:

setMemory in class Pointer

Parameters:

buffer - not used

Throws:

NativeException

java.lang.NullPointerException - allways

setShortAt

public int setShortAt(int offset,
                      short value)
               throws NativeException

Method setShortAt

Overrides:

setShortAt in class Pointer

Parameters:

offset - not used

value - not used

Returns:

nothing

Throws:

NativeException

java.lang.NullPointerException - allways

setStringAt

public int setStringAt(int offset,
                       java.lang.String value)
                throws NativeException

Method setStringAt

Overrides:

setStringAt in class Pointer

Parameters:

offset - not used

value - not used

Returns:

nothing

Throws:

NativeException

java.lang.NullPointerException - allways

zeroMemory

public void zeroMemory()
                throws NativeException

Method zeroMemory

Overrides:

zeroMemory in class Pointer

Throws:

java.lang.NullPointerException - allways

NativeException