Copied JOGL_2_SANDBOX r145 on to trunk; JOGL_2_SANDBOX branch is now closed

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/trunk@147 a78bb65f-1512-4460-ba86-f6dc96a7bf27

1 files changed, 105 insertions, 0 deletions

diff --git a/src/java/com/sun/gluegen/runtime/NativeLibLoader.java b/src/java/com/sun/gluegen/runtime/NativeLibLoader.java
new file mode 100755
index 0000000..0e6e3da
--- /dev/null
+++ b/src/java/com/sun/gluegen/runtime/NativeLibLoader.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2006 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.
+ * 
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package com.sun.gluegen.runtime;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.security.*;
+
+/** Class providing control over whether GlueGen loads the native code
+    associated with the NativeLibrary implementation. Alternative app
+    launchers such as those running within applets may want to disable
+    this default loading behavior and load the native code via another
+    (manual) mechanism. */
+public class NativeLibLoader {
+  private static volatile boolean loadingEnabled = true;
+  private static volatile boolean didLoading;
+
+  public static void disableLoading() {
+    loadingEnabled = false;
+  }
+
+  public static void enableLoading() {
+    loadingEnabled = true;
+  }
+  
+  public static void loadGlueGenRT() {
+    if (!didLoading && loadingEnabled) {
+      synchronized (NativeLibLoader.class) {
+        if (!didLoading && loadingEnabled) {
+          didLoading = true;
+          AccessController.doPrivileged(new PrivilegedAction() {
+              public Object run() {
+                loadLibraryInternal("gluegen-rt");
+                return null;
+              }
+            });
+        }
+      }
+    }
+  }
+
+  private static void loadLibraryInternal(String libraryName) {
+    String sunAppletLauncher = System.getProperty("sun.jnlp.applet.launcher");
+    boolean usingJNLPAppletLauncher = Boolean.valueOf(sunAppletLauncher).booleanValue();
+
+    if (usingJNLPAppletLauncher) {
+        try {
+          Class jnlpAppletLauncherClass = Class.forName("org.jdesktop.applet.util.JNLPAppletLauncher");
+          Method jnlpLoadLibraryMethod = jnlpAppletLauncherClass.getDeclaredMethod("loadLibrary", new Class[] { String.class });
+          jnlpLoadLibraryMethod.invoke(null, new Object[] { libraryName });
+        } catch (Exception e) {
+          Throwable t = e;
+          if (t instanceof InvocationTargetException) {
+            t = ((InvocationTargetException) t).getTargetException();
+          }
+          if (t instanceof Error)
+            throw (Error) t;
+          if (t instanceof RuntimeException) {
+            throw (RuntimeException) t;
+          }
+          // Throw UnsatisfiedLinkError for best compatibility with System.loadLibrary()
+          throw (UnsatisfiedLinkError) new UnsatisfiedLinkError().initCause(e);
+        }
+    } else {
+      System.loadLibrary(libraryName);
+    }
+  }
+}