001/* 002 * Copyright 2012-2018 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.actuate.autoconfigure.logging; 018 019import org.springframework.boot.actuate.autoconfigure.endpoint.condition.ConditionalOnEnabledEndpoint; 020import org.springframework.boot.actuate.logging.LoggersEndpoint; 021import org.springframework.boot.autoconfigure.EnableAutoConfiguration; 022import org.springframework.boot.autoconfigure.condition.ConditionMessage; 023import org.springframework.boot.autoconfigure.condition.ConditionOutcome; 024import org.springframework.boot.autoconfigure.condition.ConditionalOnBean; 025import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean; 026import org.springframework.boot.autoconfigure.condition.SpringBootCondition; 027import org.springframework.boot.logging.LoggingSystem; 028import org.springframework.context.annotation.Bean; 029import org.springframework.context.annotation.ConditionContext; 030import org.springframework.context.annotation.Conditional; 031import org.springframework.context.annotation.Configuration; 032import org.springframework.core.type.AnnotatedTypeMetadata; 033 034/** 035 * {@link EnableAutoConfiguration Auto-configuration} for the {@link LoggersEndpoint}. 036 * 037 * @author Phillip Webb 038 * @since 2.0.0 039 */ 040@Configuration 041public class LoggersEndpointAutoConfiguration { 042 043 @Bean 044 @ConditionalOnBean(LoggingSystem.class) 045 @Conditional(OnEnabledLoggingSystemCondition.class) 046 @ConditionalOnMissingBean 047 @ConditionalOnEnabledEndpoint 048 public LoggersEndpoint loggersEndpoint(LoggingSystem loggingSystem) { 049 return new LoggersEndpoint(loggingSystem); 050 } 051 052 static class OnEnabledLoggingSystemCondition extends SpringBootCondition { 053 054 @Override 055 public ConditionOutcome getMatchOutcome(ConditionContext context, 056 AnnotatedTypeMetadata metadata) { 057 ConditionMessage.Builder message = ConditionMessage 058 .forCondition("Logging System"); 059 String loggingSystem = System.getProperty(LoggingSystem.SYSTEM_PROPERTY); 060 if (LoggingSystem.NONE.equals(loggingSystem)) { 061 return ConditionOutcome.noMatch(message.because("system property " 062 + LoggingSystem.SYSTEM_PROPERTY + " is set to none")); 063 } 064 return ConditionOutcome.match(message.because("enabled")); 065 } 066 067 } 068 069}