spring DeferredLogs 源码
springboot DeferredLogs 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/DeferredLogs.java
/*
* 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 java.util.ArrayList;
import java.util.List;
import java.util.function.Supplier;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.boot.logging.DeferredLog.Line;
import org.springframework.boot.logging.DeferredLog.Lines;
/**
* A {@link DeferredLogFactory} implementation that manages a collection
* {@link DeferredLog} instances.
*
* @author Phillip Webb
* @since 2.4.0
*/
public class DeferredLogs implements DeferredLogFactory {
private final Lines lines = new Lines();
private final List<DeferredLog> loggers = new ArrayList<>();
/**
* Create a new {@link DeferredLog} for the given destination.
* @param destination the ultimate log destination
* @return a deferred log instance that will switch to the destination when
* appropriate.
*/
@Override
public Log getLog(Class<?> destination) {
return getLog(() -> LogFactory.getLog(destination));
}
/**
* Create a new {@link DeferredLog} for the given destination.
* @param destination the ultimate log destination
* @return a deferred log instance that will switch to the destination when
* appropriate.
*/
@Override
public Log getLog(Log destination) {
return getLog(() -> destination);
}
/**
* Create a new {@link DeferredLog} for the given destination.
* @param destination the ultimate log destination
* @return a deferred log instance that will switch to the destination when
* appropriate.
*/
@Override
public Log getLog(Supplier<Log> destination) {
synchronized (this.lines) {
DeferredLog logger = new DeferredLog(destination, this.lines);
this.loggers.add(logger);
return logger;
}
}
/**
* Switch over all deferred logs to their supplied destination.
*/
public void switchOverAll() {
synchronized (this.lines) {
for (Line line : this.lines) {
DeferredLog.logTo(line.getDestination(), line.getLevel(), line.getMessage(), line.getThrowable());
}
for (DeferredLog logger : this.loggers) {
logger.switchOver();
}
this.lines.clear();
}
}
}
相关信息
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spring AbstractLoggingSystem 源码
spring DelegatingLoggingSystemFactory 源码
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- 所属分类： 后端技术
- 本文标签： Spring Boot Java Spring
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