org.springframework.boot.logging.log4j2.SpringEnvironmentPropertySource Maven / Gradle / Ivy
/*
* Copyright 2012-2024 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.boot.logging.log4j2;
import org.apache.logging.log4j.util.PropertySource;
import org.springframework.core.env.Environment;
/**
* Returns properties from Spring.
*
* @author Ralph Goers
*/
class SpringEnvironmentPropertySource implements PropertySource {
/**
* System properties take precedence followed by properties in Log4j properties files.
*/
private static final int PRIORITY = -100;
private volatile Environment environment;
@Override
public int getPriority() {
return PRIORITY;
}
@Override
public String getProperty(String key) {
Environment environment = this.environment;
return (environment != null) ? environment.getProperty(key) : null;
}
@Override
public boolean containsProperty(String key) {
Environment environment = this.environment;
return (environment != null) ? environment.containsProperty(key) : false;
}
void setEnvironment(Environment environment) {
this.environment = environment;
}
}