Added file missed during last checkin

git-svn-id: file:///home/mbien/NetBeansProjects/JOGAMP/joal-sync/git-svn/../svn-server-sync/joal/trunk@375 03bf7f67-59de-4072-a415-9a990d468a3f

1 files changed, 85 insertions, 0 deletions

diff --git a/src/java/net/java/games/joal/impl/NativeLibLoader.java b/src/java/net/java/games/joal/impl/NativeLibLoader.java
new file mode 100755
index 0000000..8a240a1
--- /dev/null
+++ b/src/java/net/java/games/joal/impl/NativeLibLoader.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ */
+
+package net.java.games.joal.impl;
+
+import java.security.*;
+
+import com.sun.gluegen.runtime.*;
+
+public class NativeLibLoader {
+  private static volatile boolean loadingEnabled = true;
+  private static volatile boolean didLoading;
+
+  private NativeLibLoader() {}
+
+  public static void disableLoading() {
+    loadingEnabled = false;
+  }
+
+  public static void enableLoading() {
+    loadingEnabled = true;
+  }
+
+  public static void load() {
+    if (!didLoading && loadingEnabled) {
+      synchronized (NativeLibLoader.class) {
+        if (!didLoading && loadingEnabled) {
+          didLoading = true;
+          AccessController.doPrivileged(new PrivilegedAction() {
+              public Object run() {
+                // Workaround for problem in OpenAL32.dll, which is actually
+                // the "wrapper" DLL which looks for real OpenAL
+                // implementations like nvopenal.dll and "*oal.dll".
+                // joal.dll matches this wildcard and a bug in OpenAL32.dll
+                // causes a call through a null function pointer.
+                System.loadLibrary("joal_native");
+
+                // Workaround for 4845371.
+                // Make sure the first reference to the JNI GetDirectBufferAddress is done
+                // from a privileged context so the VM's internal class lookups will succeed.
+                // FIXME: need to figure out an appropriate entry point to call
+                //          JAWT jawt = new JAWT();
+                //          JAWTFactory.JAWT_GetAWT(jawt);
+
+                return null;
+              }
+            });
+        }
+      }
+    }
+  }
+}