org.springframework.boot.logging.LoggingSystemFactory Maven / Gradle / Ivy
/*
* Copyright 2012-2020 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;
import org.springframework.core.io.support.SpringFactoriesLoader;
/**
* Factory class used by {@link LoggingSystem#get(ClassLoader)} to find an actual
* implementation.
*
* @author Phillip Webb
* @since 2.4.0
*/
public interface LoggingSystemFactory {
/**
* Return a logging system implementation or {@code null} if no logging system is
* available.
* @param classLoader the class loader to use
* @return a logging system
*/
LoggingSystem getLoggingSystem(ClassLoader classLoader);
/**
* Return a {@link LoggingSystemFactory} backed by {@code spring.factories}.
* @return a {@link LoggingSystemFactory} instance
*/
static LoggingSystemFactory fromSpringFactories() {
return new DelegatingLoggingSystemFactory(
(classLoader) -> SpringFactoriesLoader.loadFactories(LoggingSystemFactory.class, classLoader));
}
}