| /* |
| * Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package jdk.management.jfr; |
| |
| import java.io.IOException; |
| import java.lang.management.ManagementPermission; |
| import java.security.Permission; |
| import java.time.DateTimeException; |
| import java.time.Duration; |
| import java.time.Instant; |
| import java.time.format.DateTimeParseException; |
| import java.util.List; |
| import java.util.function.Function; |
| import java.util.stream.Collectors; |
| |
| import javax.management.MalformedObjectNameException; |
| import javax.management.ObjectName; |
| |
| import jdk.jfr.Recording; |
| import jdk.jfr.internal.management.ManagementSupport; |
| |
| final class MBeanUtils { |
| |
| private static final Permission monitor = new ManagementPermission("monitor"); |
| private static final Permission control = new ManagementPermission("control"); |
| |
| static ObjectName createObjectName() { |
| try { |
| return new ObjectName(FlightRecorderMXBean.MXBEAN_NAME); |
| } catch (MalformedObjectNameException mne) { |
| throw new Error("Can't happen", mne); |
| } |
| } |
| |
| static void checkControl() { |
| @SuppressWarnings("removal") |
| SecurityManager secManager = System.getSecurityManager(); |
| if (secManager != null) { |
| secManager.checkPermission(control); |
| } |
| } |
| |
| static void checkMonitor() { |
| @SuppressWarnings("removal") |
| SecurityManager secManager = System.getSecurityManager(); |
| if (secManager != null) { |
| secManager.checkPermission(monitor); |
| } |
| } |
| |
| static <T, R> List<R> transformList(List<T> source, Function<T, R> function) { |
| return source.stream().map(function).collect(Collectors.toList()); |
| } |
| |
| static boolean booleanValue(String s) { |
| if ("true".equals(s)) { |
| return true; |
| } |
| if ("false".equals(s)) { |
| return false; |
| } |
| throw new IllegalArgumentException("Value must be true or false."); |
| } |
| |
| static Duration duration(String s) throws NumberFormatException { |
| if (s == null) { |
| return null; |
| } |
| long l = ManagementSupport.parseTimespan(s); |
| if (l == 0) { |
| return null; |
| } |
| return Duration.ofNanos(l); |
| } |
| |
| public static Instant parseTimestamp(String s, Instant defaultValue) { |
| if (s == null) { |
| return defaultValue; |
| } |
| try { |
| return Instant.parse(s); |
| } catch(DateTimeParseException e ) { |
| // OK, try with milliseconds since epoch |
| // before giving up. |
| } |
| try { |
| return Instant.ofEpochMilli(Long.parseLong(s)); |
| } catch (NumberFormatException | DateTimeException nfr) { |
| throw new IllegalArgumentException("Not a valid timestamp " + s); |
| } |
| } |
| |
| static Long size(String s) throws NumberFormatException { |
| long size = Long.parseLong(s); |
| if (size < 0) { |
| throw new IllegalArgumentException("Negative size not allowed"); |
| } |
| return size; |
| } |
| |
| public static int parseBlockSize(String string, int defaultSize) { |
| if (string == null) { |
| return defaultSize; |
| } |
| int size = Integer.parseInt(string); |
| if (size <1) { |
| throw new IllegalArgumentException("Block size must be at least 1 byte"); |
| } |
| return size; |
| } |
| |
| public static String destination(Recording recording, String destination) throws IllegalArgumentException{ |
| try { |
| ManagementSupport.checkSetDestination(recording, destination); |
| return destination; |
| }catch(IOException e){ |
| IllegalArgumentException iae = new IllegalArgumentException("Not a valid destination " + destination); |
| iae.addSuppressed(e); |
| throw iae; |
| } |
| } |
| } |