com.sun.javafx.logging.PulseLogger Maven / Gradle / Ivy
/*
* Copyright (c) 2009, 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.
*
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package com.sun.javafx.logging;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
public class PulseLogger {
public static final boolean PULSE_LOGGING_ENABLED;
private static final String [] DEFAULT_LOGGERS = {"com.sun.javafx.logging.PrintLogger", "com.sun.javafx.logging.jfr.JFRPulseLogger"};
private static final Logger[] loggers;
static {
List list = new ArrayList<>();
for (String loggerClass : DEFAULT_LOGGERS) {
Logger logger = loadLogger(loggerClass);
if (logger != null) {
list.add(logger);
}
}
loggers = list.toArray(new Logger[list.size()]);
PULSE_LOGGING_ENABLED = loggers.length > 0;
}
public static void pulseStart() {
for (Logger logger: loggers) {
logger.pulseStart();
}
}
public static void pulseEnd() {
for (Logger logger: loggers) {
logger.pulseEnd();
}
}
public static void renderStart() {
for (Logger logger: loggers) {
logger.renderStart();
}
}
public static void renderEnd() {
for (Logger logger: loggers) {
logger.renderEnd();
}
}
public static void addMessage(String message) {
for (Logger logger: loggers) {
logger.addMessage(message);
}
}
public static void incrementCounter(String counter) {
for (Logger logger: loggers) {
logger.incrementCounter(counter);
}
}
public static void newPhase(String name) {
for (Logger logger: loggers) {
logger.newPhase(name);
}
}
public static void newInput(String name) {
for (Logger logger: loggers) {
logger.newInput(name);
}
}
/**
* @return true if the user requested pulse logging by setting the system
* property javafx.pulseLogger to true, false otherwise.
*/
public static boolean isPulseLoggingRequested() {
return Boolean.getBoolean("javafx.pulseLogger");
}
// Loading known loggers reflectively, in case an expected module isn't available
private static Logger loadLogger(String className) {
try {
Class> klass = Class.forName(className);
if (klass != null) {
Method method = klass.getDeclaredMethod("createInstance");
return (Logger) method.invoke(null);
}
} catch (NoClassDefFoundError | ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
// Ignore
}
return null;
}
}
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