content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.apache.camel.component.servlet.springboot;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.component.servlet.CamelHttpTransportServlet;
  import org.apache.camel.component.servlet.ServletComponent;
  import org.springframework.boot.autoconfigure.AutoConfigureAfter;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
  import org.springframework.boot.autoconfigure.web.servlet.MultipartProperties;
  import org.springframework.boot.context.properties.EnableConfigurationProperties;
  import org.springframework.boot.web.servlet.ServletRegistrationBean;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.context.annotation.Lazy;
  
  /**
   * Servlet mapping auto-configuration.
   */
  @Configuration(proxyBeanMethods = false)
  @ConditionalOnProperty(name = "camel.servlet.mapping.enabled", matchIfMissing = true)
  @ConditionalOnBean(type = "org.apache.camel.spring.boot.CamelAutoConfiguration")
  @AutoConfigureAfter(name = "org.apache.camel.spring.boot.CamelAutoConfiguration")
  @ConditionalOnWebApplication
  @EnableConfigurationProperties({ ServletMappingConfiguration.class, MultipartProperties.class })
  public class ServletMappingAutoConfiguration {
  
      /**
       * Camel servlet
       */
      @Bean
      CamelHttpTransportServlet camelHttpTransportServlet() {
          CamelHttpTransportServlet servlet = new CamelHttpTransportServlet();
          return servlet;
      }
  
      /**
       * Spring Boot servlet registration with the Camel server
       */
      @Bean
      ServletRegistrationBean camelServletRegistrationBean(CamelHttpTransportServlet servlet,
              ServletMappingConfiguration config, MultipartProperties multipartProperties) {
          ServletRegistrationBean mapping = new ServletRegistrationBean();
          mapping.setServlet(servlet);
          mapping.addUrlMappings(config.getContextPath());
          mapping.setName(config.getServletName());
          mapping.setLoadOnStartup(1);
          if (multipartProperties != null && multipartProperties.isEnabled()) {
              mapping.setMultipartConfig(multipartProperties.createMultipartConfig());
          }
          return mapping;
      }
  
      /**
       * Ensures the Camel Servlet component is automatic created if no custom exists.
       */
      @Lazy
      @Bean(name = "servlet-component")
      @ConditionalOnMissingBean(ServletComponent.class)
      public ServletComponent configureServletComponent(CamelContext camelContext) throws Exception {
          ServletComponent component = new ServletComponent();
          component.setCamelContext(camelContext);
          return component;
      }
  
  }
  