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.springboot.cli.connector;
  
  import java.io.InputStream;
  import java.net.URL;
  import java.util.Enumeration;
  import java.util.jar.Manifest;
  
  import org.apache.camel.spi.CliConnectorFactory;
  import org.springframework.boot.SpringBootVersion;
  import org.springframework.boot.autoconfigure.AutoConfigureBefore;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  import org.springframework.boot.context.properties.EnableConfigurationProperties;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.context.support.AbstractApplicationContext;
  
  @Configuration(proxyBeanMethods = false)
  @ConditionalOnProperty(name = "camel.cli.enabled", matchIfMissing = true)
  @AutoConfigureBefore(name = "org.apache.camel.spring.boot.CamelAutoConfiguration") // configure early to have Camel CLI
                                                                                     // during startup
  @EnableConfigurationProperties({ CliConnectorConfiguration.class })
  public class CliConnectorAutoConfiguration {
  
      @Bean
      @ConditionalOnMissingBean(CliConnectorFactory.class)
      public CliConnectorFactory cliConnectorFactory(AbstractApplicationContext applicationContext,
              CliConnectorConfiguration config) {
  
          CliConnectorFactory answer = new SpringCliConnectorFactory(applicationContext);
          answer.setEnabled(config.getEnabled());
          answer.setRuntime("Spring Boot");
          answer.setRuntimeVersion(SpringBootVersion.getVersion());
  
          // if packaged as fat-jar then we need to know what was the main class that started this integration
          try {
              Enumeration<URL> en = this.getClass().getClassLoader().getResources("META-INF/MANIFEST.MF");
              while (en.hasMoreElements()) {
                  URL u = en.nextElement();
                  try (InputStream is = u.openStream()) {
                      Manifest manifest = new Manifest(is);
                      String sc = manifest.getMainAttributes().getValue("Start-Class");
                      if (sc != null) {
                          answer.setRuntimeStartClass(sc);
                          break;
                      }
                  }
              }
          } catch (Exception e) {
              // ignore
          }
  
          return answer;
      }
  
  }
  