/*
* Copyright 2012-2017 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
*
* 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.springframework.boot.logging.logback;
import java.lang.reflect.Method;
import java.nio.charset.Charset;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.Appender;
import ch.qos.logback.core.ConsoleAppender;
import ch.qos.logback.core.rolling.FixedWindowRollingPolicy;
import ch.qos.logback.core.rolling.RollingFileAppender;
import ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy;
import ch.qos.logback.core.util.FileSize;
import ch.qos.logback.core.util.OptionHelper;
import org.springframework.boot.logging.LogFile;
import org.springframework.boot.logging.LoggingInitializationContext;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.Environment;
import org.springframework.core.env.PropertyResolver;
import org.springframework.core.env.PropertySourcesPropertyResolver;
import org.springframework.util.ReflectionUtils;
/**
* Default logback configuration used by Spring Boot. Uses {@link LogbackConfigurator} to
* improve startup time. See also the {@code defaults.xml}, {@code console-appender.xml}
* and {@code file-appender.xml} files provided for classic {@code logback.xml} use.
*
* @author Phillip Webb
* @author Madhura Bhave
* @since 1.1.2
*/
class DefaultLogbackConfiguration {
private static final String CONSOLE_LOG_PATTERN = "%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} "
+ "%clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(${PID:- }){magenta} %clr(---){faint} "
+ "%clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} "
+ "%clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}";
private static final String FILE_LOG_PATTERN = "%d{yyyy-MM-dd HH:mm:ss.SSS} "
+ "${LOG_LEVEL_PATTERN:-%5p} ${PID:- } --- [%t] %-40.40logger{39} : %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}";
private static final Charset UTF8 = Charset.forName("UTF-8");
private final PropertyResolver patterns;
private final LogFile logFile;
DefaultLogbackConfiguration(LoggingInitializationContext initializationContext,
LogFile logFile) {
this.patterns = getPatternsResolver(initializationContext.getEnvironment());
this.logFile = logFile;
}
private PropertyResolver getPatternsResolver(Environment environment) {
if (environment == null) {
return new PropertySourcesPropertyResolver(null);
}
if (environment instanceof ConfigurableEnvironment) {
PropertySourcesPropertyResolver resolver = new PropertySourcesPropertyResolver(
((ConfigurableEnvironment) environment).getPropertySources());
resolver.setIgnoreUnresolvableNestedPlaceholders(true);
return resolver;
}
return environment;
}
public void apply(LogbackConfigurator config) {
synchronized (config.getConfigurationLock()) {
base(config);
Appender<ILoggingEvent> consoleAppender = consoleAppender(config);
if (this.logFile != null) {
Appender<ILoggingEvent> fileAppender = fileAppender(config,
this.logFile.toString());
config.root(Level.INFO, consoleAppender, fileAppender);
}
else {
config.root(Level.INFO, consoleAppender);
}
}
}
private void base(LogbackConfigurator config) {
config.conversionRule("clr", ColorConverter.class);
config.conversionRule("wex", WhitespaceThrowableProxyConverter.class);
config.conversionRule("wEx", ExtendedWhitespaceThrowableProxyConverter.class);
LevelRemappingAppender debugRemapAppender = new LevelRemappingAppender(
"org.springframework.boot");
config.start(debugRemapAppender);
config.appender("DEBUG_LEVEL_REMAPPER", debugRemapAppender);
config.logger("org.apache.catalina.startup.DigesterFactory", Level.ERROR);
config.logger("org.apache.catalina.util.LifecycleBase", Level.ERROR);
config.logger("org.apache.coyote.http11.Http11NioProtocol", Level.WARN);
config.logger("org.apache.sshd.common.util.SecurityUtils", Level.WARN);
config.logger("org.apache.tomcat.util.net.NioSelectorPool", Level.WARN);
config.logger("org.eclipse.jetty.util.component.AbstractLifeCycle", Level.ERROR);
config.logger("org.hibernate.validator.internal.util.Version", Level.WARN);
config.logger("org.springframework.boot.actuate.endpoint.jmx", null, false,
debugRemapAppender);
}
private Appender<ILoggingEvent> consoleAppender(LogbackConfigurator config) {
ConsoleAppender<ILoggingEvent> appender = new ConsoleAppender<>();
PatternLayoutEncoder encoder = new PatternLayoutEncoder();
String logPattern = this.patterns.getProperty("logging.pattern.console",
CONSOLE_LOG_PATTERN);
encoder.setPattern(OptionHelper.substVars(logPattern, config.getContext()));
encoder.setCharset(UTF8);
config.start(encoder);
appender.setEncoder(encoder);
config.appender("CONSOLE", appender);
return appender;
}
private Appender<ILoggingEvent> fileAppender(LogbackConfigurator config,
String logFile) {
RollingFileAppender<ILoggingEvent> appender = new RollingFileAppender<>();
PatternLayoutEncoder encoder = new PatternLayoutEncoder();
String logPattern = this.patterns.getProperty("logging.pattern.file",
FILE_LOG_PATTERN);
encoder.setPattern(OptionHelper.substVars(logPattern, config.getContext()));
appender.setEncoder(encoder);
config.start(encoder);
appender.setFile(logFile);
setRollingPolicy(appender, config, logFile);
setMaxFileSize(appender, config);
config.appender("FILE", appender);
return appender;
}
private void setRollingPolicy(RollingFileAppender<ILoggingEvent> appender,
LogbackConfigurator config, String logFile) {
FixedWindowRollingPolicy rollingPolicy = new FixedWindowRollingPolicy();
rollingPolicy.setFileNamePattern(logFile + ".%i");
appender.setRollingPolicy(rollingPolicy);
rollingPolicy.setParent(appender);
config.start(rollingPolicy);
}
private void setMaxFileSize(RollingFileAppender<ILoggingEvent> appender,
LogbackConfigurator config) {
SizeBasedTriggeringPolicy<ILoggingEvent> triggeringPolicy = new SizeBasedTriggeringPolicy<>();
try {
triggeringPolicy.setMaxFileSize(FileSize.valueOf("10MB"));
}
catch (NoSuchMethodError ex) {
// Logback < 1.1.8 used String configuration
Method method = ReflectionUtils.findMethod(SizeBasedTriggeringPolicy.class,
"setMaxFileSize", String.class);
ReflectionUtils.invokeMethod(method, triggeringPolicy, "10MB");
}
appender.setTriggeringPolicy(triggeringPolicy);
config.start(triggeringPolicy);
}
}