Showing the changes to java/pkg/sun/management/Util.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,87 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 2003, 2008, 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.management; | ||
| 27 | |||
| 28 | import java.lang.management.ManagementPermission; | ||
| 29 | import java.util.List; | ||
| 30 | import javax.management.ObjectName; | ||
| 31 | import javax.management.MalformedObjectNameException; | ||
| 32 | |||
| 33 | |||
| 34 | public class Util { | ||
| 35 | private Util() {} // there are no instances of this class | ||
| 36 | |||
| 37 | static RuntimeException newException(Exception e) { | ||
| 38 | throw new RuntimeException(e); | ||
| 39 | } | ||
| 40 | |||
| 41 | private static final String[] EMPTY_STRING_ARRAY = new String[0]; | ||
| 42 | static String[] toStringArray(List<String> list) { | ||
| 43 | return list.toArray(EMPTY_STRING_ARRAY); | ||
| 44 | } | ||
| 45 | |||
| 46 | public static ObjectName newObjectName(String domainAndType, String name) { | ||
| 47 | return newObjectName(domainAndType + ",name=" + name); | ||
| 48 | } | ||
| 49 | |||
| 50 | public static ObjectName newObjectName(String name) { | ||
| 51 | try { | ||
| 52 | return ObjectName.getInstance(name); | ||
| 53 | } catch (MalformedObjectNameException e) { | ||
| 54 | throw new IllegalArgumentException(e); | ||
| 55 | } | ||
| 56 | } | ||
| 57 | |||
| 58 | private static ManagementPermission monitorPermission = | ||
| 59 | new ManagementPermission("monitor"); | ||
| 60 | private static ManagementPermission controlPermission = | ||
| 61 | new ManagementPermission("control"); | ||
| 62 | |||
| 63 | /** | ||
| 64 | * Check that the current context is trusted to perform monitoring | ||
| 65 | * or management. | ||
| 66 | * <p> | ||
| 67 | * If the check fails we throw a SecurityException, otherwise | ||
| 68 | * we return normally. | ||
| 69 | * | ||
| 70 | * @exception SecurityException if a security manager exists and if | ||
| 71 | * the caller does not have ManagementPermission("control"). | ||
| 72 | */ | ||
| 73 | static void checkAccess(ManagementPermission p) | ||
| 74 | throws SecurityException { | ||
| 75 | SecurityManager sm = System.getSecurityManager(); | ||
| 76 | if (sm != null) { | ||
| 77 | sm.checkPermission(p); | ||
| 78 | } | ||
| 79 | } | ||
| 80 | |||
| 81 | static void checkMonitorAccess() throws SecurityException { | ||
| 82 | checkAccess(monitorPermission); | ||
| 83 | } | ||
| 84 | static void checkControlAccess() throws SecurityException { | ||
| 85 | checkAccess(controlPermission); | ||
| 86 | } | ||
| 87 | } | ||