boolean results -> Exceptions

src/java/org/lwjgl/input/Controller.java

@@ -171,9 +171,7 @@ public class Controller {
 			return;
 		}
 
-		if (!nCreate()) {
-			throw new Exception("The controller could not be created.");
-		}
+		nCreate();
 		
 		created = true;
 	}
@@ -248,10 +246,8 @@ public class Controller {
 
 	/**
 	 * Native method to create the controller
-	 * 
-	 * @return true if the controller was created
 	 */
-	private static native boolean nCreate();
+	private static native void nCreate() throws Exception;
 
 	/**
 	* Native method the destroy the controller

src/java/org/lwjgl/input/Keyboard.java

@@ -286,17 +286,14 @@ public class Keyboard {
 			initialize();
 		if (created)
 			return;
-		if (!nCreate())
-			throw new Exception("The keyboard could not be created.");
+		nCreate();
 		created = true;
 	}
 	
 	/**
 	 * Native method to create the keyboard
-	 * 
-	 * @return true if the keyboard was created
 	 */
-	private static native boolean nCreate();
+	private static native void nCreate() throws Exception;
 
 	/**
 	 * @return true if the keyboard has been created
@@ -359,27 +356,26 @@ public class Keyboard {
 	/**
 	 * Enable keyboard translation. Must be called after the keyboard is created,
 	 * and keyboard buffering must be enabled.
-	 * @return false if translation cannot be enabled; true if it can
 	 */
-	public static boolean enableTranslation() {
+	public static void enableTranslation() throws Exception {
 		assert created : "The keyboard has not been created.";
 		assert readBuffer != null : "Keyboard buffering has not been enabled.";
         
-		translationEnabled = nEnableTranslation();
-		return translationEnabled;
+		nEnableTranslation();
+		translationEnabled = true;
 	}
 	
 	/**
 	 * Native method to enable the translation buffer
 	 */
-	private static native boolean nEnableTranslation();
+	private static native void nEnableTranslation() throws Exception;
 	
 	/**
 	 * Enable keyboard buffering. Must be called after the keyboard is created.
 	 * @return the size of the keyboard buffer in events, or 0 if no buffering
 	 * can be enabled for any reason
 	 */
-	public static int enableBuffer() {
+	public static int enableBuffer() throws Exception {
 		assert created : "The keyboard has not been created.";
 		int buf_len = nEnableBuffer();
 		if (readBuffer != null)
@@ -392,7 +388,7 @@ public class Keyboard {
 	 * @return the size of the buffer allocated, in events (1 event is 2 bytes),
 	 * or 0 if no buffer can be allocated
 	 */
-	private static native int nEnableBuffer();
+	private static native int nEnableBuffer() throws Exception;
 	
 	/**
 	 * Checks to see if a key is down.

src/java/org/lwjgl/input/Mouse.java

@@ -146,7 +146,7 @@ public class Mouse {
 	}
 
 	/** Native method to set the native cursor */
-	private static native void nSetNativeCursor(int handle);
+	private static native void nSetNativeCursor(int handle) throws Exception;
 
 	/**
 	 * Gets the minimum size of a native cursor. Can only be called if
@@ -210,9 +210,7 @@ public class Mouse {
 		if (created) {
 			return;
 		}
-		if (!nCreate()) {
-			throw new Exception("The mouse could not be created.");
-		}
+		nCreate();
 		created = true;
 		currentCursor = null;
 
@@ -225,7 +223,7 @@ public class Mouse {
 	 * 
 	 * @return true if the mouse was created
 	 */
-	private static native boolean nCreate();
+	private static native void nCreate();
 
 	/**
 	 * @return true if the mouse has been created

src/java/org/lwjgl/test/input/KeyboardTest.java

@@ -107,6 +107,8 @@ public class KeyboardTest {
   private void createKeyboard() {
     try {
       Keyboard.create();
+      Keyboard.enableBuffer();
+      Keyboard.enableTranslation();
     } catch (Exception e) {
       e.printStackTrace();
       System.exit(-1);
@@ -114,8 +116,6 @@ public class KeyboardTest {
   }
 
   private void wiggleKeyboard() {
-    Keyboard.enableBuffer();
-    Keyboard.enableTranslation();
 
     while (!Window.isCloseRequested()) {
       Window.update();