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.status;
18
19 import java.io.Closeable;
20 import java.util.EventListener;
21
22 import org.apache.logging.log4j.Level;
23
24 /**
25 * Interface that allows implementers to be notified of events in the logging system.
26 */
27 public interface StatusListener extends Closeable, EventListener {
28
29 /**
30 * Called as events occur to process the StatusData.
31 * @param data The StatusData for the event.
32 */
33 void log(StatusData data);
34
35 /**
36 * Return the Log Level that this listener wants included.
37 * @return the Log Level.
38 */
39 Level getStatusLevel();
40 }