1 /*
   2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.misc;
  27 
  28 /**
  29  * Utility class that can be used to trace Exceptions
  30  */
  31 public final class ThrowableTrace {
  32     private ThrowableTrace() { }
  33 
  34     private static ThrowableTraceListener listener = null;
  35 
  36     /**
  37      * Set the Throwable listener
  38      * @param l the new listener
  39      */
  40     public static void setListener(ThrowableTraceListener l) {
  41         listener = l;
  42     }
  43 
  44     /**
  45      * Trace a Throwable
  46      * @param e the throwable to trace
  47      */
  48     public static void traceThrowable(Throwable t) {
  49         if (listener != null) {
  50             listener.traceThrowable(t);
  51         }
  52     }
  53 }