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.trace.http;
018
019import org.springframework.boot.actuate.trace.http.HttpExchangeTracer;
020import org.springframework.boot.actuate.trace.http.HttpTraceRepository;
021import org.springframework.boot.actuate.trace.http.InMemoryHttpTraceRepository;
022import org.springframework.boot.actuate.web.trace.reactive.HttpTraceWebFilter;
023import org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter;
024import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
025import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
026import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
027import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
028import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
029import org.springframework.boot.context.properties.EnableConfigurationProperties;
030import org.springframework.context.annotation.Bean;
031import org.springframework.context.annotation.Configuration;
032
033/**
034 * {@link EnableAutoConfiguration Auto-configuration} for HTTP tracing.
035 *
036 * @author Dave Syer
037 * @since 2.0.0
038 */
039@Configuration
040@ConditionalOnWebApplication
041@ConditionalOnProperty(prefix = "management.trace.http", name = "enabled", matchIfMissing = true)
042@EnableConfigurationProperties(HttpTraceProperties.class)
043public class HttpTraceAutoConfiguration {
044
045        @Bean
046        @ConditionalOnMissingBean(HttpTraceRepository.class)
047        public InMemoryHttpTraceRepository traceRepository() {
048                return new InMemoryHttpTraceRepository();
049        }
050
051        @Bean
052        @ConditionalOnMissingBean
053        public HttpExchangeTracer httpExchangeTracer(HttpTraceProperties traceProperties) {
054                return new HttpExchangeTracer(traceProperties.getInclude());
055        }
056
057        @Configuration
058        @ConditionalOnWebApplication(type = Type.SERVLET)
059        static class ServletTraceFilterConfiguration {
060
061                @Bean
062                @ConditionalOnMissingBean
063                public HttpTraceFilter httpTraceFilter(HttpTraceRepository repository,
064                                HttpExchangeTracer tracer) {
065                        return new HttpTraceFilter(repository, tracer);
066                }
067
068        }
069
070        @Configuration
071        @ConditionalOnWebApplication(type = Type.REACTIVE)
072        static class ReactiveTraceFilterConfiguration {
073
074                @Bean
075                @ConditionalOnMissingBean
076                public HttpTraceWebFilter httpTraceWebFilter(HttpTraceRepository repository,
077                                HttpExchangeTracer tracer, HttpTraceProperties traceProperties) {
078                        return new HttpTraceWebFilter(repository, tracer,
079                                        traceProperties.getInclude());
080                }
081
082        }
083
084}