/*
* Copyright (c) 2016, 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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*/
package jdk.jfr.internal;
import java.util.function.Supplier;
/**
* JFR logger
*
*/
public final class Logger {
private final static int MAX_SIZE = 10000;
static {
// This will try to initialize the JVM logging system
JVMSupport.tryToInitializeJVM();
}
public static void log(LogTag logTag, LogLevel logLevel, String message) {
if (shouldLog(logTag, logLevel)) {
logInternal(logTag, logLevel, message);
}
}
public static void log(LogTag logTag, LogLevel logLevel, Supplier<String> messageSupplier) {
if (shouldLog(logTag, logLevel)) {
logInternal(logTag, logLevel, messageSupplier.get());
}
}
private static void logInternal(LogTag logTag, LogLevel logLevel, String message) {
if (message == null || message.length() < MAX_SIZE) {
JVM.log(logTag.id, logLevel.level, message);
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