code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  
  package org.openqa.selenium.logging;
  
  import java.time.Instant;
  import java.time.format.DateTimeFormatter;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.logging.Level;
  
  /** Represents a single log statement. */
  public class LogEntry {
  
    private final Level level;
    private final long timestamp;
    private final String message;
  
    /**
     * @param level the severity of the log entry
     * @param timestamp UNIX Epoch timestamp at which this log entry was created
     * @param message ew the log entry's message
     */
    public LogEntry(Level level, long timestamp, String message) {
      this.level = level;
      this.timestamp = timestamp;
      this.message = message;
    }
  
    /**
     * Gets the logging entry's severity.
     *
     * @return severity of log statement
     */
    public Level getLevel() {
      return level;
    }
  
    /**
     * Gets the timestamp of the log statement in milliseconds since UNIX Epoch.
     *
     * @return timestamp as UNIX Epoch
     */
    public long getTimestamp() {
      return timestamp;
    }
  
    /**
     * Gets the log entry's message.
     *
     * @return the log statement
     */
    public String getMessage() {
      return message;
    }
  
    @Override
    public String toString() {
      return String.format(
          "[%s] [%s] %s",
          DateTimeFormatter.ISO_INSTANT.format(Instant.ofEpochMilli(timestamp)), level, message);
    }
  
    public Map<String, Object> toJson() {
      Map<String, Object> map = new HashMap<>();
      map.put("timestamp", timestamp);
      map.put("level", level);
      map.put("message", message);
      return map;
    }
  }
  