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.spring.boot;
18
19 import org.apache.logging.log4j.util.PropertySource;
20 import org.springframework.core.env.Environment;
21
22 /**
23 * Returns properties from Spring.
24 */
25 public class SpringPropertySource extends SpringEnvironmentHolder implements PropertySource {
26
27 /**
28 * System properties take precendence followed by properties in Log4j properties files. Spring properties
29 * follow.
30 * @return This PropertySource's priority.
31 */
32 @Override
33 public int getPriority() {
34 return -50;
35 }
36
37 @Override
38 public String getProperty(String key) {
39 Environment environment = getEnvironment();
40 if (environment != null) {
41 return environment.getProperty(key);
42 }
43 return null;
44 }
45
46 @Override
47 public boolean containsProperty(String key) {
48 Environment environment = getEnvironment();
49 if (environment != null) {
50 return environment.containsProperty(key);
51 }
52 return false;
53 }
54 }