* NativeLibraryLoader: More hacks .. Use the proper loading method based on the library name.

* TestNativeLoader: More concrete test that uses a custom natives folder and ensures all natives load properly and prints their versions.

jme3-desktop/src/main/java/com/jme3/system/NativeLibraryLoader.java

@@ -435,9 +435,19 @@ public final class NativeLibraryLoader {
                         + "library to: " + targetFile);
             }
         } finally {
-            // Not sure if we always want to load it.
-            // Maybe specify this as a per library setting.
-            System.load(targetFile.getAbsolutePath());
+            // XXX: HACK. Vary loading method based on library name..
+            // lwjgl and jinput handle loading by themselves.
+            if (name.equals("lwjgl")) {
+                System.setProperty("org.lwjgl.librarypath", 
+                                   extactionDirectory.getAbsolutePath());
+            } else if (name.equals("jinput")) {
+                System.setProperty("net.java.games.input.librarypath", 
+                                   extactionDirectory.getAbsolutePath());
+            } else {
+                // all other libraries (openal, bulletjme, custom)
+                // will load directly in here.
+                System.load(targetFile.getAbsolutePath());
+            }
             
             if(in != null){
                 try { in.close(); } catch (IOException ex) { }

jme3-examples/src/main/java/jme3test/app/TestNativeLoader.java

@@ -32,9 +32,7 @@
 package jme3test.app;
 
 import com.jme3.system.NativeLibraryLoader;
-import com.jme3.util.JmeFormatter;
-import java.util.logging.ConsoleHandler;
-import java.util.logging.Handler;
+import java.io.File;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -45,13 +43,114 @@ import java.util.logging.Logger;
  */
 public class TestNativeLoader {
     
-    public static void main(String[] args) {
-        Logger.getLogger("").getHandlers()[0].setLevel(Level.ALL);
-        Logger.getLogger("").setLevel(Level.ALL);
-        
+    private static final File WORKING_FOLDER = new File(System.getProperty("user.dir"));
+    
+    private static void tryLoadLwjgl() {
         NativeLibraryLoader.loadNativeLibrary("lwjgl", true);
+        System.out.println("Succeeded in loading LWJGL.\n\tVersion: " + 
+                           org.lwjgl.Sys.getVersion());
+    }
+    
+    private static void tryLoadJinput() {
         NativeLibraryLoader.loadNativeLibrary("jinput", true);
+        
+        net.java.games.input.ControllerEnvironment ce =
+            net.java.games.input.ControllerEnvironment.getDefaultEnvironment();
+        if (ce.isSupported()) {
+            net.java.games.input.Controller[] c =
+                    ce.getControllers();
+            
+            System.out.println("Succeeded in loading JInput.\n\tVersion: " + 
+                            net.java.games.util.Version.getVersion());
+        }
+    }
+    
+    private static void tryLoadOpenAL() {
         NativeLibraryLoader.loadNativeLibrary("openal", true);
-        NativeLibraryLoader.loadNativeLibrary("bulletjme", false);
+        
+        try {
+            org.lwjgl.openal.AL.create();
+            String renderer = org.lwjgl.openal.AL10.alGetString(org.lwjgl.openal.AL10.AL_RENDERER);
+            String vendor = org.lwjgl.openal.AL10.alGetString(org.lwjgl.openal.AL10.AL_VENDOR);
+            String version = org.lwjgl.openal.AL10.alGetString(org.lwjgl.openal.AL10.AL_VERSION);
+            System.out.println("Succeeded in loading OpenAL.");
+            System.out.println("\tVersion: " + version);
+        } catch (org.lwjgl.LWJGLException ex) {
+            throw new RuntimeException(ex);
+        } finally {
+            if (org.lwjgl.openal.AL.isCreated()) {
+                org.lwjgl.openal.AL.destroy();
+            }
+        }
+    }
+    
+    private static void tryLoadOpenGL() {
+        org.lwjgl.opengl.Pbuffer pb = null;
+        try {
+            pb = new org.lwjgl.opengl.Pbuffer(1, 1, new org.lwjgl.opengl.PixelFormat(0, 0, 0), null);
+            pb.makeCurrent();
+            String version = org.lwjgl.opengl.GL11.glGetString(org.lwjgl.opengl.GL11.GL_VERSION);
+            System.out.println("Succeeded in loading OpenGL.\n\tVersion: " + version);
+        } catch (org.lwjgl.LWJGLException ex) {
+            throw new RuntimeException(ex);
+        } finally {
+            if (pb != null) {
+                pb.destroy();
+            }
+        }
+    }
+    
+    private static void tryLoadBulletJme() {
+        if (NativeLibraryLoader.isUsingNativeBullet()) {
+            NativeLibraryLoader.loadNativeLibrary("bulletjme", true);
+
+            com.jme3.bullet.PhysicsSpace physSpace = new com.jme3.bullet.PhysicsSpace();
+            com.jme3.bullet.PhysicsSpace.initNativePhysics();
+
+            System.out.println("Succeeded in loading BulletJme.");
+        } else {
+            System.out.println("Native bullet not included. Cannot test loading.");
+        }
+    }
+    
+    private static void cleanupNativesFolder(File folder) {
+        for (File file : folder.listFiles()) {
+            String lowerCaseName = file.getName().toLowerCase();
+            if (lowerCaseName.contains("lwjgl") ||
+                lowerCaseName.contains("jinput") ||
+                lowerCaseName.contains("openal") ||
+                lowerCaseName.contains("bulletjme")) {
+                file.delete();
+            }
+        }
+    }
+    
+    public static void main(String[] args) {
+        Logger.getLogger("").getHandlers()[0].setLevel(Level.WARNING);
+        Logger.getLogger(NativeLibraryLoader.class.getName()).setLevel(Level.ALL);
+        
+        // Get a bit more output from LWJGL about issues.
+        // System.setProperty("org.lwjgl.util.Debug", "true");
+        
+        // Extracting to working folder is no brainer. 
+        // Choose some random path, then load LWJGL.
+        File customNativesFolder = new File("CustomNativesFolder");
+        customNativesFolder.mkdirs();
+        
+        if (!customNativesFolder.isDirectory()) {
+            throw new IllegalStateException("Failed to make custom natives folder");
+        }
+        
+        // Let's cleanup our folders first.
+        cleanupNativesFolder(WORKING_FOLDER);
+        cleanupNativesFolder(customNativesFolder);
+        
+        NativeLibraryLoader.setCustomExtractionFolder(customNativesFolder.getAbsolutePath());
+        
+        tryLoadLwjgl();
+        tryLoadOpenGL();
+        tryLoadOpenAL();
+        tryLoadJinput();
+        tryLoadBulletJme();
     }
 }