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.selector;
18
19 import org.apache.logging.log4j.core.LoggerContext;
20 import org.apache.logging.log4j.core.impl.ContextAnchor;
21
22 import java.util.ArrayList;
23 import java.util.Collections;
24 import java.util.List;
25
26 /**
27 * Returns either this Thread's context or the default LoggerContext.
28 */
29 public class BasicContextSelector implements ContextSelector {
30
31 private static final LoggerContext context = new LoggerContext("Default");
32
33 public LoggerContext getContext(String fqcn, ClassLoader loader, boolean currentContext) {
34
35 LoggerContext ctx = ContextAnchor.THREAD_CONTEXT.get();
36 return ctx != null ? ctx : context;
37 }
38
39 public LoggerContext locateContext(String name, String configLocation) {
40 return context;
41 }
42
43 public void removeContext(LoggerContext context) {
44
45 }
46
47 public List<LoggerContext> getLoggerContexts() {
48 List<LoggerContext> list = new ArrayList<LoggerContext>();
49 list.add(context);
50 return Collections.unmodifiableList(list);
51 }
52
53 }