com.sun.cldc.jna
Class PrivatePointer

java.lang.Object
  com.sun.cldc.jna.PrivatePointer

public class PrivatePointer
extends Object

Utilities used by JNA generated Java code. SHOULD NOT BE USED BY USER CODE.

Method Summary

static Address	createArrayBuffer(Object array) Create a native buffer pointing to either the array data directly, or to a copy of the array data.
static Address	createArrayBuffer(Object array, int offset, int number) Create a native buffer pointing to either the array data directly, or to a copy of the array data.
static boolean	setUpArrayBufferState() Get ready to allow creating array buffers.
static void	tearDownArrayBufferState(boolean oldState) Clean up after creating array buffers.

Methods inherited from class java.lang.Object

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

Method Detail

setUpArrayBufferState

public static boolean setUpArrayBufferState()

Get ready to allow creating array buffers.

Returns:

previous state

tearDownArrayBufferState

public static void tearDownArrayBufferState(boolean oldState)

Clean up after creating array buffers.

Parameters:

oldState -

createArrayBuffer

public static Address createArrayBuffer(Object array)
                                 throws OutOfMemoryError

Create a native buffer pointing to either the array data directly, or to a copy of the array data. bytes The returned point can be released when not needed.

Parameters:

array - the array to access

Returns:

Pointer the C-accessible version of the array data

Throws:

OutOfMemoryError - if the underlying memory cannot be allocated

IllegalArgumentException - if array is not really an array

createArrayBuffer

public static Address createArrayBuffer(Object array,
                                        int offset,
                                        int number)
                                 throws OutOfMemoryError

Create a native buffer pointing to either the array data directly, or to a copy of the array data. bytes The returned pointer can be released when not needed.

Parameters:

array - the array to access

offset - index of the first element to access

number - number of elements to access

Returns:

Pointer the C-accessible version of the array data

Throws:

OutOfMemoryError - if the underlying memory cannot be allocated

IllegalArgumentException - if array is not really an array