1 /* 2 * Copyright (c) 2015, 2016, 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 com.sun.marlin; 27 28 public final class MarlinUtils { 29 // Marlin logger 30 private static final sun.util.logging.PlatformLogger LOG; 31 32 static { 33 if (MarlinConst.USE_LOGGER) { 34 LOG = sun.util.logging.PlatformLogger.getLogger("prism.marlin"); 35 } else { 36 LOG = null; 37 } 38 } 39 40 private MarlinUtils() { 41 // no-op 42 } 43 44 public static void logInfo(final String msg) { 45 if (MarlinConst.USE_LOGGER) { 46 LOG.info(msg); 47 } else if (MarlinConst.ENABLE_LOGS) { 48 System.out.print("INFO: "); 49 System.out.println(msg); 50 } 51 } 52 53 public static void logException(final String msg, final Throwable th) { 54 if (MarlinConst.USE_LOGGER) { 55 LOG.warning(msg, th); 56 } else if (MarlinConst.ENABLE_LOGS) { 57 System.out.print("WARNING: "); 58 System.out.println(msg); 59 th.printStackTrace(System.err); 60 } 61 } 62 63 // From sun.awt.util.ThreadGroupUtils 64 65 /** 66 * Returns a root thread group. 67 * Should be called with {@link sun.security.util.SecurityConstants#MODIFY_THREADGROUP_PERMISSION} 68 * 69 * @return a root {@code ThreadGroup} 70 */ 71 public static ThreadGroup getRootThreadGroup() { 72 ThreadGroup currentTG = Thread.currentThread().getThreadGroup(); 73 ThreadGroup parentTG = currentTG.getParent(); 74 while (parentTG != null) { 75 currentTG = parentTG; 76 parentTG = currentTG.getParent(); 77 } 78 return currentTG; 79 } 80 81 // JavaFX specific Cleaner for Marlin-FX: 82 // Module issue with jdk.internal.ref.Cleaner 83 private final static java.lang.ref.Cleaner cleaner 84 = java.lang.ref.Cleaner.create(); 85 86 static java.lang.ref.Cleaner getCleaner() { 87 return cleaner; 88 } 89 /* 90 static jdk.internal.ref.Cleaner getCleaner() { 91 return jdk.internal.ref.CleanerFactory.cleaner(); 92 } 93 */ 94 }