org.boris.winrun4j

Class Native

java.lang.Object

org.boris.winrun4j.Native

public class Native
extends Object

General JNI utilities for windows. Use at own risk.

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	IS_64

Constructor Summary

Constructors

Constructor and Description
Native()

Method Summary

Modifier and Type	Method and Description
static boolean	bind(Class clazz, String fn, String sig, long ptr) Binds a function pointer to a native method.
static void	deleteGlobalRef(long handle) Deletes a global reference to an object.
static void	free(long ptr) Free the memory.
static void	freeLibrary(long ptr) Free the library.
static ByteBuffer	fromPointer(long ptr, long size) Get an accessor for a given block of memory.
static long	getMethodId(Class clazz, String name, String sig, boolean isStatic) Gets a method id.
static Object	getObject(long handle) Returns the object.
static long	getObjectId(Object o) Returns the object id.
static long	getProcAddress(long ptr, String name) Get a pointer to a function exported by the library.
static long	loadLibrary(String filename) Load a native library (eg.
static long	malloc(int size) Allocate a block of memory.
static long	newGlobalRef(Object obj) Creates a global reference to an object.

Methods inherited from class java.lang.Object

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

Field Detail

IS_64

public static final boolean IS_64

Constructor Detail

Native

public Native()

Method Detail

loadLibrary

public static long loadLibrary(String filename)

Load a native library (eg. "kernel32")

freeLibrary

public static void freeLibrary(long ptr)

Free the library.

getProcAddress

public static long getProcAddress(long ptr,
                                  String name)

Get a pointer to a function exported by the library.

malloc

public static long malloc(int size)

Allocate a block of memory.

free

public static void free(long ptr)

Free the memory.

fromPointer

public static ByteBuffer fromPointer(long ptr,
                                     long size)

Get an accessor for a given block of memory.

bind

public static boolean bind(Class clazz,
                           String fn,
                           String sig,
                           long ptr)

Binds a function pointer to a native method.

newGlobalRef

public static long newGlobalRef(Object obj)

Creates a global reference to an object.

deleteGlobalRef

public static void deleteGlobalRef(long handle)

Deletes a global reference to an object.

getObjectId

public static long getObjectId(Object o)

Returns the object id.

getObject

public static Object getObject(long handle)

Returns the object.

getMethodId

public static long getMethodId(Class clazz,
                               String name,
                               String sig,
                               boolean isStatic)

Gets a method id.