/*
* 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.actuate.autoconfigure;
import javax.servlet.Servlet;
import javax.servlet.ServletRegistration;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.actuate.trace.TraceProperties;
import org.springframework.boot.actuate.trace.TraceRepository;
import org.springframework.boot.actuate.trace.WebRequestTraceFilter;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.web.servlet.error.ErrorAttributes;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.DispatcherServlet;
/**
* {@link EnableAutoConfiguration Auto-configuration} for {@link WebRequestTraceFilter
* tracing}.
*
* @author Dave Syer
*/
@Configuration
@ConditionalOnClass({ Servlet.class, DispatcherServlet.class, ServletRegistration.class })
@AutoConfigureAfter(TraceRepositoryAutoConfiguration.class)
@ConditionalOnProperty(prefix = "endpoints.trace.filter", name = "enabled", matchIfMissing = true)
@EnableConfigurationProperties(TraceProperties.class)
public class TraceWebFilterAutoConfiguration {
private final TraceRepository traceRepository;
private final TraceProperties traceProperties;
private final ErrorAttributes errorAttributes;
public TraceWebFilterAutoConfiguration(TraceRepository traceRepository,
TraceProperties traceProperties,
ObjectProvider<ErrorAttributes> errorAttributes) {
this.traceRepository = traceRepository;
this.traceProperties = traceProperties;
this.errorAttributes = errorAttributes.getIfAvailable();
}
@Bean
@ConditionalOnMissingBean
public WebRequestTraceFilter webRequestLoggingFilter(BeanFactory beanFactory) {
WebRequestTraceFilter filter = new WebRequestTraceFilter(this.traceRepository,
this.traceProperties);
if (this.errorAttributes != null) {
filter.setErrorAttributes(this.errorAttributes);
}
return filter;
}
}