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19  package org.apache.james.container.spring.lifecycle;
20  
21  import org.apache.avalon.framework.service.ServiceException;
22  import org.apache.avalon.framework.service.ServiceManager;
23  import org.apache.avalon.framework.service.Serviceable;
24  import org.apache.james.container.spring.adaptor.DefaultServiceManagerFactory;
25  import org.apache.james.container.spring.adaptor.ServiceManagerFactory;
26  import org.springframework.beans.factory.config.BeanDefinition;
27  import org.springframework.beans.factory.config.BeanPostProcessor;
28  import org.springframework.core.Ordered;
29  
30  /**
31   * calls service() for all avalon components
32   */
33  public class ServicePropagator extends AbstractPropagator implements BeanPostProcessor, Ordered {
34  
35      private ServiceManagerFactory serviceManagerFactory;
36      
37      public void setServiceManagerFactory(DefaultServiceManagerFactory serviceManagerFactory) {
38          this.serviceManagerFactory = serviceManagerFactory;
39      }
40      
41      protected Class getLifecycleInterface() {
42          return Serviceable.class;
43      }
44  
45      protected void invokeLifecycleWorker(String beanName, Object bean, BeanDefinition beanDefinition) {
46          if (!(bean instanceof Serviceable)) return;
47          Serviceable serviceable = (Serviceable) bean;
48          try {
49              ServiceManager serviceManager = serviceManagerFactory.getInstanceFor(beanName, beanDefinition);
50              if (serviceManager == null) {
51                  throw new RuntimeException("failed to create service manager for " + beanName);
52              }
53              serviceable.service(serviceManager);
54          } catch (ServiceException e) {
55              throw new RuntimeException("could not successfully run service method on component of type " + serviceable.getClass(), e);
56          } catch (Exception e) {
57              throw new RuntimeException("could not successfully run service method on component of type " + serviceable.getClass(), e);
58          }
59      }
60  
61      public int getOrder() {
62          return 2;
63      }
64  }