Reduced Sys.debug from bool -> int

src/java/org/lwjgl/Display.java

@@ -80,7 +80,7 @@ public final class Display {
 	static {
 		System.loadLibrary(Sys.getLibraryName());
 		init();
-		Sys.log(Sys.DEBUG, "Adapter: "+getAdapter()+" Version: "+getVersion());
+		Sys.log("Adapter: "+getAdapter()+" Version: "+getVersion());
 	}
 
 	/**
@@ -118,7 +118,7 @@ public final class Display {
 		DisplayMode[] filteredModes = new DisplayMode[modes.size()];
 		modes.toArray(filteredModes);
 
-		Sys.log(Sys.DEBUG, "Removed " + (unfilteredModes.length - filteredModes.length) + " duplicate displaymodes");
+		Sys.log("Removed " + (unfilteredModes.length - filteredModes.length) + " duplicate displaymodes");
 
 		return filteredModes;
 	}
@@ -235,7 +235,7 @@ public final class Display {
 			gammaRamp.put(i, rampEntry);
 		}
 		setGammaRamp(gammaRamp);
-		Sys.log(Sys.DEBUG, "Gamma set, gamma = " + gamma + ", brightness = " + brightness + ", contrast = " + contrast);
+		Sys.log("Gamma set, gamma = " + gamma + ", brightness = " + brightness + ", contrast = " + contrast);
 	}
 
 	/**

src/java/org/lwjgl/Sys.java

@@ -47,14 +47,6 @@ import org.lwjgl.input.Mouse;
  * @version $Revision$
  */
 public final class Sys {
-	/** Debug level constants */
-	public static final int DEBUG = 6;
-	public static final int INFO = 5;
-	public static final int WARN = 4;
-	public static final int ERROR = 3;
-	public static final int FATAL = 2;
-	public static final int NONE = 1;
-
 	/** Low process priority. @see #setProcessPriority() */
 	public static final int LOW_PRIORITY = -1;
 
@@ -90,25 +82,14 @@ public final class Sys {
 	/**
 	 * Debug level. 
 	 */
-	public static final int debug_level;
+	public static final boolean debug;
 
 	static {
-		String debug_level_prop = System.getProperty("lwjgl.debuglevel", "NONE");
-		int _debug = NONE;
-		if (debug_level_prop.equals("DEBUG")) {
-			_debug = DEBUG;
-		} else if (debug_level_prop.equals("INFO")) {
-			_debug = INFO;
-		} else if (debug_level_prop.equals("WARN")) {
-			_debug = WARN;
-		} else if (debug_level_prop.equals("ERROR")) {
-			_debug = ERROR;
-		} else if (debug_level_prop.equals("FATAL")) {
-			_debug = FATAL;
-		} else if (debug_level_prop.equals("NONE")) {
-			_debug = NONE;
-		}
-		debug_level = _debug;
+		String debug_level_prop = System.getProperty("org.lwjgl.Sys.debug", "false");
+		if (debug_level_prop.equals("true"))
+			debug = true;
+		else
+			debug = false;
 		initialize();
 	}
 
@@ -126,19 +107,19 @@ public final class Sys {
 	}
 
 	/**
-	 * Prints the given message to System.err if atDebugLevel(debug_level)
+	 * Prints the given message to System.err if isDebugEnabled()
 	 * is true.
 	 */
-	public static void log(int debug_level, String msg) {
-		if (atDebugLevel(debug_level))
+	public static void log(String msg) {
+		if (isDebugEnabled())
 			System.err.println(msg);
 	}
 
 	/**
 	 * @return true if the debug level is greater than or equal to level
 	 */
-	public static boolean atDebugLevel(int level) {
-		return debug_level >= level;
+	public static boolean isDebugEnabled() {
+		return debug;
 	}
 
 	/**
@@ -146,7 +127,7 @@ public final class Sys {
 	 */
 	private static void initialize() {
 		System.loadLibrary(LIBRARY_NAME);
-		setDebugLevel(debug_level);
+		setDebug(debug);
 		setTime(0);
 
 		Runtime.getRuntime().addShutdownHook(new Thread() {
@@ -166,7 +147,7 @@ public final class Sys {
 	/**
          * Set the debug level of the native library
 	 */
-	private static native void setDebugLevel(int level);
+	private static native void setDebug(boolean debug);
 
 	/**
 	 * Obtains the number of ticks that the hires timer does in a second.

src/java/org/lwjgl/openal/BaseAL.java

@@ -142,7 +142,7 @@ public abstract class BaseAL {
 	private static String getPathFromJWS(String libname) {
 		try {			
 
-			Sys.log(Sys.DEBUG, "JWS Classloader looking for: " + libname);
+			Sys.log("JWS Classloader looking for: " + libname);
 			
 			Object o = BaseAL.class.getClassLoader();
 			Class c = o.getClass();
@@ -152,7 +152,7 @@ public abstract class BaseAL {
 			return (String) findLibrary.invoke(o, arguments);
 
 		} catch (Exception e) {
-			Sys.log(Sys.INFO, "Failure locating OpenAL using classloader:" + e);
+			Sys.log("Failure locating OpenAL using classloader:" + e);
 		}
 		return null;
 	}	

src/java/org/lwjgl/opengl/GLCaps.java

@@ -162,11 +162,11 @@ public abstract class GLCaps {
 	}
 
 	private static void setExtensionFields(HashSet exts, HashMap field_map) {
-		Sys.log(Sys.DEBUG, "Available extensions:");
+		Sys.log("Available extensions:");
 		Iterator it = exts.iterator();
 		while (it.hasNext()) {
 			String ext = (String)it.next();
-			Sys.log(Sys.DEBUG, ext);
+			Sys.log(ext);
 
 			Field f = (Field)field_map.get(ext);
 			if (f != null) {