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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements. See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache license, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License. You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the license for the specific language governing permissions and
15   * limitations under the license.
16   */
17  package org.apache.logging.log4j.core.impl;
18  
19  import java.util.List;
20  
21  import org.apache.logging.log4j.Level;
22  import org.apache.logging.log4j.Marker;
23  import org.apache.logging.log4j.core.LogEvent;
24  import org.apache.logging.log4j.core.config.Property;
25  import org.apache.logging.log4j.message.Message;
26  
27  /**
28   * Always creates new LogEvent instances.
29   */
30  public class DefaultLogEventFactory implements LogEventFactory, LocationAwareLogEventFactory {
31  
32      private static final DefaultLogEventFactory instance = new DefaultLogEventFactory();
33  
34      public static DefaultLogEventFactory getInstance() {
35          return instance;
36      }
37  
38      /**
39       * Creates a log event.
40       *
41       * @param loggerName The name of the Logger.
42       * @param marker An optional Marker.
43       * @param fqcn The fully qualified class name of the caller.
44       * @param level The event Level.
45       * @param data The Message.
46       * @param properties Properties to be added to the log event.
47       * @param t An optional Throwable.
48       * @return The LogEvent.
49       */
50      @Override
51      public LogEvent createEvent(final String loggerName, final Marker marker,
52                                  final String fqcn, final Level level, final Message data,
53                                  final List<Property> properties, final Throwable t) {
54          return new Log4jLogEvent(loggerName, marker, fqcn, level, data, properties, t);
55      }
56  
57      /**
58       * Creates a log event.
59       *
60       * @param loggerName The name of the Logger.
61       * @param marker An optional Marker.
62       * @param fqcn The fully qualified class name of the caller.
63       * @param location The location of the caller
64       * @param level The event Level.
65       * @param data The Message.
66       * @param properties Properties to be added to the log event.
67       * @param t An optional Throwable.
68       * @return The LogEvent.
69       */
70      @Override
71      public LogEvent createEvent(final String loggerName, final Marker marker,
72          final String fqcn, final StackTraceElement location, final Level level, final Message data,
73          final List<Property> properties, final Throwable t) {
74          return new Log4jLogEvent(loggerName, marker, fqcn, location, level, data, properties, t);
75      }
76  }