81 lines
3.0 KiB
Java
81 lines
3.0 KiB
Java
/*
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* Copyright (c) 2002-2008 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.input;
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import org.lwjgl.opengl.InputImplementation;
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import org.lwjgl.opengl.Display;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.security.AccessController;
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import java.security.PrivilegedExceptionAction;
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import java.security.PrivilegedActionException;
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/**
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* This class contains utilities for accessing the org.lwjgl.opengl
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* package through (privileged) reflection.
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*/
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final class OpenGLPackageAccess {
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static final Object global_lock;
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static {
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try {
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global_lock = AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
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public Object run() throws Exception {
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Field lock_field = Class.forName("org.lwjgl.opengl.GlobalLock").getDeclaredField("lock");
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lock_field.setAccessible(true);
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return lock_field.get(null);
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}
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});
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} catch (PrivilegedActionException e) {
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throw new Error(e);
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}
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}
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static InputImplementation createImplementation() {
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/* Use reflection since we can't make Display.getImplementation
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* public
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*/
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try {
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return AccessController.doPrivileged(new PrivilegedExceptionAction<InputImplementation>() {
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public InputImplementation run() throws Exception {
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Method getImplementation_method = Display.class.getDeclaredMethod("getImplementation");
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getImplementation_method.setAccessible(true);
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return (InputImplementation)getImplementation_method.invoke(null);
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}
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});
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} catch (PrivilegedActionException e) {
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throw new Error(e);
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}
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}
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}
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