1 /*
   2  * Copyright (c) 2012, 2018, 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 package jdk.jfr.internal.dcmd;
  26 
  27 import java.util.Formatter;
  28 
  29 /**
  30  * Thrown to indicate that a diagnostic command could not be executed
  31  * successfully.
  32  */
  33 final class DCmdException extends Exception {
  34     private static final long serialVersionUID = -3792411099340016465L;
  35 
  36     /**
  37      * Constructs a new exception with message derived from a format string.
  38      *
  39      * @param format format string as described in {@link Formatter} class.
  40      *
  41      * @param args arguments referenced by the format specifiers in the format
  42      *        string.
  43      *
  44      */
  45     public DCmdException(String format, Object... args) {
  46         super(format(format, args));
  47     }
  48 
  49     /**
  50      * Constructs a new exception with message derived from a format string.
  51      *
  52      * @param cause exception that stopped the diagnostic command to complete.
  53      *
  54      * @param format format string as described in {@link Formatter} class.
  55      *
  56      * @param args arguments referenced by the format specifiers in the format
  57      *        string.
  58      *
  59      */
  60     public DCmdException(Throwable cause, String format, Object... args) {
  61         super(format(format, args), cause);
  62     }
  63 
  64     private static String format(String message, Object... args) {
  65         try (Formatter formatter = new Formatter()) {
  66             return formatter.format(message, args).toString();
  67         }
  68     }
  69 }