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 }