com.apple.mrj.jdirect
Class GenericPointer

java.lang.Object
  |
  +--com.apple.mrj.jdirect.GenericPointer

public class GenericPointer

extends Object

GenericPointer is the base class for a platform dependent Pointer. No range checking is performed on this memory.

Field Summary

protected int

pointer The data for this Data is stored in the MacOS heap.

Constructor Summary

GenericPointer(int pointer)
Construct a GenericPointer which wraps arbitrary platform memory

Method Summary

boolean	equals(Object anObject) Returns true if both java objects reference the same MacOS heap pointer
boolean	getBooleanAt(int offset)
byte	getByteAt(int offset)
byte[]	getBytesAt(int byteOffset, int byteCount) Returns the byteCount bytes of data from byteOffset in this struct as a byte array.
char	getCharAt(int offset)
double	getDoubleAt(int offset)
float	getFloatAt(int offset)
int	getIntAt(int offset)
long	getLongAt(int offset)
int	getPointer() Returns the pointer held by the PointerObject.
short	getShortAt(int offset)
void	setBooleanAt(int offset, boolean value)
void	setByteAt(int offset, byte value)
void	setBytesAt(int byteOffset, byte[] source) Copies the byteCount bytes of data to byteOffset in this struct from a byte array.
void	setCharAt(int offset, char value)
void	setDoubleAt(int offset, double value)
void	setFloatAt(int offset, float value)
void	setIntAt(int offset, int value)
void	setLongAt(int offset, long value)
void	setShortAt(int offset, short value)
void	setStructAt(int byteOffset, Struct src) Sets the data in a range of this from another Struct

Methods inherited from class java.lang.Object

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

Field Detail

pointer

protected int pointer

The data for this Data is stored in the MacOS heap. This int holds the MacOS Handle to arbitrary data.

Constructor Detail

GenericPointer

public GenericPointer(int pointer)

Construct a GenericPointer which wraps arbitrary platform memory

Parameters:

pointer - a MacOS memory pointer

Method Detail

getBooleanAt

public final boolean getBooleanAt(int offset)

getByteAt

public final byte getByteAt(int offset)

getCharAt

public final char getCharAt(int offset)

getShortAt

public final short getShortAt(int offset)

getIntAt

public final int getIntAt(int offset)

getLongAt

public final long getLongAt(int offset)

getFloatAt

public final float getFloatAt(int offset)

getDoubleAt

public final double getDoubleAt(int offset)

setBooleanAt

public final void setBooleanAt(int offset,
                               boolean value)

setByteAt

public final void setByteAt(int offset,
                            byte value)

setCharAt

public final void setCharAt(int offset,
                            char value)

setShortAt

public final void setShortAt(int offset,
                             short value)

setIntAt

public final void setIntAt(int offset,
                           int value)

setLongAt

public final void setLongAt(int offset,
                            long value)

setFloatAt

public final void setFloatAt(int offset,
                             float value)

setDoubleAt

public final void setDoubleAt(int offset,
                              double value)

setBytesAt

public void setBytesAt(int byteOffset,
                       byte[] source)

Copies the byteCount bytes of data to byteOffset in this struct from a byte array.

setStructAt

public void setStructAt(int byteOffset,
                        Struct src)

Sets the data in a range of this from another Struct

getBytesAt

public byte[] getBytesAt(int byteOffset,
                         int byteCount)

Returns the byteCount bytes of data from byteOffset in this struct as a byte array.

getPointer

public final int getPointer()

Returns the pointer held by the PointerObject.

Returns:

a raw machine pointer

equals

public boolean equals(Object anObject)

Returns true if both java objects reference the same MacOS heap pointer

Overrides:

equals in class Object

See Also:

Object.equals(java.lang.Object)