Showing the changes to java/pkg/sun/management/Util.java (1 of 18352 files). Show all
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| 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 | +} | |