src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdException.java
author mgronlun
Wed, 30 Oct 2019 19:43:52 +0100
changeset 58863 c16ac7a2eba4
parent 50113 caf115bb98ad
permissions -rw-r--r--
8226511: Implement JFR Event Streaming Reviewed-by: egahlin, mseledtsov, mgronlun Contributed-by: erik.gahlin@oracle.com, mikhailo.seledtsov@oracle.com, markus.gronlund@oracle.com
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
50113
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     1
/*
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     2
 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     4
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     7
 * published by the Free Software Foundation.  Oracle designates this
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     8
 * particular file as subject to the "Classpath" exception as provided
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     9
 * by Oracle in the LICENSE file that accompanied this code.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    10
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    11
 * This code is distributed in the hope that it will be useful, but WITHOUT
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    12
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    13
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    14
 * version 2 for more details (a copy is included in the LICENSE file that
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    15
 * accompanied this code).
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    16
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    17
 * You should have received a copy of the GNU General Public License version
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    18
 * 2 along with this work; if not, write to the Free Software Foundation,
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    19
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    20
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    21
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    22
 * or visit www.oracle.com if you need additional information or have any
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    23
 * questions.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    24
 */
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    25
package jdk.jfr.internal.dcmd;
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    26
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    27
import java.util.Formatter;
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    28
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    29
/**
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    30
 * Thrown to indicate that a diagnostic command could not be executed
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    31
 * successfully.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    32
 */
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    33
final class DCmdException extends Exception {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    34
    private static final long serialVersionUID = -3792411099340016465L;
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    35
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    36
    /**
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    37
     * Constructs a new exception with message derived from a format string.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    38
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    39
     * @param format format string as described in {@link Formatter} class.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    40
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    41
     * @param args arguments referenced by the format specifiers in the format
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    42
     *        string.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    43
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    44
     */
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    45
    public DCmdException(String format, Object... args) {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    46
        super(format(format, args));
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    47
    }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    48
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    49
    /**
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    50
     * Constructs a new exception with message derived from a format string.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    51
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    52
     * @param cause exception that stopped the diagnostic command to complete.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    53
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    54
     * @param format format string as described in {@link Formatter} class.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    55
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    56
     * @param args arguments referenced by the format specifiers in the format
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    57
     *        string.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    58
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    59
     */
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    60
    public DCmdException(Throwable cause, String format, Object... args) {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    61
        super(format(format, args), cause);
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    62
    }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    63
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    64
    private static String format(String message, Object... args) {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    65
        try (Formatter formatter = new Formatter()) {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    66
            return formatter.format(message, args).toString();
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    67
        }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    68
    }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    69
}