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diff --git a/src/classes/com/sun/opengl/impl/Debug.java b/src/classes/com/sun/opengl/impl/Debug.java
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+++ b/src/classes/com/sun/opengl/impl/Debug.java
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+/*
+ * Copyright (c) 2003-2005 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.opengl.impl;
+
+import java.security.*;
+import com.sun.opengl.utils.Version;
+
+/** Helper routines for logging and debugging. */
+
+public class Debug {
+  // Some common properties
+  private static boolean verbose;
+  private static boolean debugAll;
+  
+  static {
+    verbose = isPropertyDefined("jogl.verbose");
+    debugAll = isPropertyDefined("jogl.debug");
+    if (verbose) {
+      System.err.println("JOGL version " + Version.getVersion());
+    }
+  }
+
+  public static boolean getBooleanProperty(final String property) {
+    Boolean b = (Boolean) AccessController.doPrivileged(new PrivilegedAction() {
+        public Object run() {
+          boolean val = Boolean.getBoolean(property);
+          return (val ? Boolean.TRUE : Boolean.FALSE);
+        }
+      });
+    return b.booleanValue();
+  }
+
+  public static boolean isPropertyDefined(final String property) {
+    Boolean b = (Boolean) AccessController.doPrivileged(new PrivilegedAction() {
+        public Object run() {
+          String val = System.getProperty(property);
+          return (val != null ? Boolean.TRUE : Boolean.FALSE);
+        }
+      });
+    return b.booleanValue();
+  }
+
+  public static boolean verbose() {
+    return verbose;
+  }
+
+  public static boolean debugAll() {
+    return debugAll;
+  }
+
+  public static boolean debug(String subcomponent) {
+    return debugAll() || isPropertyDefined("jogl.debug." + subcomponent);
+  }
+}