| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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.apache.logging.log4j.spring.cloud.config.client; |
| |
| import org.apache.logging.log4j.util.PropertySource; |
| import org.springframework.core.env.Environment; |
| |
| /** |
| * Returns properties from Spring. |
| */ |
| public class SpringPropertySource extends SpringEnvironmentHolder implements PropertySource { |
| |
| /** |
| * System properties take precendence followed by properties in Log4j properties files. Spring properties |
| * follow. |
| * @return This PropertySource's priority. |
| */ |
| @Override |
| public int getPriority() { |
| return -50; |
| } |
| |
| @Override |
| public String getProperty(String key) { |
| Environment environment = getEnvironment(); |
| if (environment != null) { |
| return environment.getProperty(key); |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean containsProperty(String key) { |
| Environment environment = getEnvironment(); |
| if (environment != null) { |
| return environment.containsProperty(key); |
| } |
| return false; |
| } |
| } |