text: /*
   * 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
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package jdk.jfr.internal;
  
  import java.util.function.Supplier;
  
  /**
   * JFR logger
   *
   */
  
  public final class Logger {
  
      private final static int MAX_SIZE = 10000;
  
      public static void log(LogTag logTag, LogLevel logLevel, String message) {
          if (logTag.shouldLog(logLevel.level)) {
              logInternal(logTag, logLevel, message);
          }
      }
  
      public static void log(LogTag logTag, LogLevel logLevel, Supplier<String> messageSupplier) {
          if (logTag.shouldLog(logLevel.level)) {
              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);
          } else {
              JVM.log(logTag.id, logLevel.level, message.substring(0, MAX_SIZE));
          }
      }
  }
  