minor tweak to XRandR class to add AccessControllers to remaining methods that need it.

src/java/org/lwjgl/opengl/XRandR.java

@@ -119,11 +119,20 @@ public class XRandR {
 	 * @param screens
 	 *           The desired screen set, may not be <code>null</code>
 	 */
-	public static void setConfiguration(Screen[]/* ... */screens) {
+	public static void setConfiguration(final Screen[]/* ... */screens) {
 		if (screens.length == 0) {
 			throw new IllegalArgumentException("Must specify at least one screen");
 		}
-
+		
+		AccessController.doPrivileged(new PrivilegedAction() {
+			public Object run() {
+				setScreen(screens);
+				return null;
+			}
+		});
+	}
+	
+	private static void setScreen(Screen[] screens) {
 		List/* <String> */cmd = new ArrayList/* <String> */();
 		cmd.add("xrandr");
 
@@ -164,7 +173,6 @@ public class XRandR {
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
-
 	}
 
 	/**
@@ -172,7 +180,13 @@ public class XRandR {
 	 *         xrandr is not supported
 	 */
 	public static String[] getScreenNames() {
-		populate();
+		AccessController.doPrivileged(new PrivilegedAction() {
+			public Object run() {
+				populate();
+				return null;
+			}
+		});
+		
 		return (String[]) screens.keySet().toArray(new String[screens.size()]);
 	}
 
@@ -182,7 +196,13 @@ public class XRandR {
 	 *         <code>null</code> if there is no such screen
 	 */
 	public static Screen[] getResolutions(String name) {
-		populate();
+		AccessController.doPrivileged(new PrivilegedAction() {
+			public Object run() {
+				populate();
+				return null;
+			}
+		});
+		
 		// clone the array to prevent held copies being altered
 		return (Screen[]) ((Screen[]) screens.get(name)).clone();
 	}