1 /*
2  * Copyright (c) 2002-2008 LWJGL Project
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  *   notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  *   notice, this list of conditions and the following disclaimer in the
14  *   documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of 'LWJGL' nor the names of
17  *   its contributors may be used to endorse or promote products derived
18  *   from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 package org.lwjgl.opengl;
33 
34 /**
35  * This is an interface to the windows registry
36  * @author elias_naur
37  */
38 
39 import org.lwjgl.LWJGLException;
40 import org.lwjgl.Sys;
41 
42 final class WindowsRegistry {
43 	static final int HKEY_CLASSES_ROOT = 1;
44 	static final int HKEY_CURRENT_USER = 2;
45 	static final int HKEY_LOCAL_MACHINE = 3;
46 	static final int HKEY_USERS = 4;
47 
48 	static {
Sys.initialize()49 		Sys.initialize();
50 	}
51 
52 	/**
53 	 * Query the registry value specified by the root key, subkey, value tuple
54 	 */
queryRegistrationKey(int root_key, String subkey, String value)55 	static String queryRegistrationKey(int root_key, String subkey, String value) throws LWJGLException {
56 		switch (root_key) {
57 			case HKEY_CLASSES_ROOT:
58 			case HKEY_CURRENT_USER:
59 			case HKEY_LOCAL_MACHINE:
60 			case HKEY_USERS:
61 				break;
62 			default:
63 				throw new IllegalArgumentException("Invalid enum: " + root_key);
64 		}
65 		return nQueryRegistrationKey(root_key, subkey, value);
66 	}
67 
nQueryRegistrationKey(int root_key, String subkey, String value)68 	private static native String nQueryRegistrationKey(int root_key, String subkey, String value) throws LWJGLException;
69 }
70