com.kenai.jaffl.provider

Class NativeInvocationHandler

java.lang.Object

com.kenai.jaffl.provider.NativeInvocationHandler

All Implemented Interfaces:

java.lang.reflect.InvocationHandler

public class NativeInvocationHandler
extends java.lang.Object
implements java.lang.reflect.InvocationHandler

InvocationHandler used to map invocations on a java interface to the correct native function.

Constructor Summary

Constructors

Constructor and Description
NativeInvocationHandler(Library library, java.lang.Class<?> interfaceClass, java.util.Map<LibraryOption,?> optionsMap) Creates a new InvocationHandler instance.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	invoke(java.lang.Object self, java.lang.reflect.Method method, java.lang.Object[] argArray)
static <T> T	wrapInterface(Library library, java.lang.Class<T> interfaceClass, java.util.Map<LibraryOption,?> optionsMap) Creates a new InvocationHandler mapping methods in the interfaceClass to functions in the native library.

Methods inherited from class java.lang.Object

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

Constructor Detail

NativeInvocationHandler

public NativeInvocationHandler(Library library,
                       java.lang.Class<?> interfaceClass,
                       java.util.Map<LibraryOption,?> optionsMap)

Creates a new InvocationHandler instance.

Parameters:

library - the native library to call

interfaceClass - the interface that defines the methods in the native library that will be accessed via this handler.

optionsMap - a dictionary of options to apply to this library.

Method Detail

wrapInterface

public static <T> T wrapInterface(Library library,
                  java.lang.Class<T> interfaceClass,
                  java.util.Map<LibraryOption,?> optionsMap)

Creates a new InvocationHandler mapping methods in the interfaceClass to functions in the native library.

Type Parameters:

T - the type of interfaceClass

Parameters:

libraryName - the native library to load

interfaceClass - the interface that contains the native method description

optionsMap - a dictionary of options to apply to this library.

Returns:

a new instance of interfaceClass that can be used to call functions in the native library.

invoke

public java.lang.Object invoke(java.lang.Object self,
                      java.lang.reflect.Method method,
                      java.lang.Object[] argArray)
                        throws java.lang.Throwable

Specified by:

invoke in interface java.lang.reflect.InvocationHandler

Throws:

java.lang.Throwable