com.sun.marlin.MarlinUtils Maven / Gradle / Ivy
/*
* Copyright (c) 2015, 2018, 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
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* questions.
*/
package com.sun.marlin;
public final class MarlinUtils {
// Marlin logger
private static final com.sun.javafx.logging.PlatformLogger LOG;
static {
if (MarlinConst.USE_LOGGER) {
LOG = com.sun.javafx.logging.PlatformLogger.getLogger("prism.marlin");
} else {
LOG = null;
}
}
private MarlinUtils() {
// no-op
}
public static void logInfo(final String msg) {
if (MarlinConst.USE_LOGGER) {
LOG.info(msg);
} else if (MarlinConst.ENABLE_LOGS) {
System.out.print("INFO: ");
System.out.println(msg);
}
}
public static void logException(final String msg, final Throwable th) {
if (MarlinConst.USE_LOGGER) {
LOG.warning(msg, th);
} else if (MarlinConst.ENABLE_LOGS) {
System.out.print("WARNING: ");
System.out.println(msg);
th.printStackTrace(System.err);
}
}
// From sun.awt.util.ThreadGroupUtils
/**
* Returns a root thread group.
* Should be called with {@link sun.security.util.SecurityConstants#MODIFY_THREADGROUP_PERMISSION}
*
* @return a root {@code ThreadGroup}
*/
public static ThreadGroup getRootThreadGroup() {
ThreadGroup currentTG = Thread.currentThread().getThreadGroup();
ThreadGroup parentTG = currentTG.getParent();
while (parentTG != null) {
currentTG = parentTG;
parentTG = currentTG.getParent();
}
return currentTG;
}
// JavaFX specific Cleaner for Marlin-FX:
// Module issue with jdk.internal.ref.Cleaner
private final static java.lang.ref.Cleaner cleaner
= java.lang.ref.Cleaner.create();
static java.lang.ref.Cleaner getCleaner() {
return cleaner;
}
}