AnnotationSpringSystemRoleFactory.java

  1. /*
  2.  * *************************************************************************************************************************************************************
  3.  *
  4.  * TheseFoolishThings: Miscellaneous utilities
  5.  * http://tidalwave.it/projects/thesefoolishthings
  6.  *
  7.  * Copyright (C) 2009 - 2025 by Tidalwave s.a.s. (http://tidalwave.it)
  8.  *
  9.  * *************************************************************************************************************************************************************
  10.  *
  11.  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
  12.  * You may obtain a copy of the License at
  13.  *
  14.  *     http://www.apache.org/licenses/LICENSE-2.0
  15.  *
  16.  * 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
  17.  * CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.
  18.  *
  19.  * *************************************************************************************************************************************************************
  20.  *
  21.  * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
  22.  * git clone https://github.com/tidalwave-it/thesefoolishthings-src
  23.  *
  24.  * *************************************************************************************************************************************************************
  25.  */
  26. package it.tidalwave.role.spring.spi;

  27. import jakarta.annotation.Nonnull;
  28. import java.util.Optional;
  29. import org.springframework.beans.factory.BeanFactory;
  30. import org.springframework.beans.factory.annotation.Configurable;
  31. import it.tidalwave.util.spring.ClassScanner;
  32. import it.tidalwave.role.spi.SystemRoleFactorySupport;
  33. import it.tidalwave.dci.annotation.DciContext;
  34. import it.tidalwave.dci.annotation.DciRole;
  35. import lombok.extern.slf4j.Slf4j;

  36. /***************************************************************************************************************************************************************
  37.  *
  38.  * A specialization of {@link SystemRoleFactorySupport} for a Spring context that uses annotations ({@link DciRole} and
  39.  * {@link DciContext}) for retrieving role metadata and is capable to inject Spring beans into created roles.
  40.  *
  41.  * @author  Fabrizio Giudici
  42.  *
  43.  **************************************************************************************************************************************************************/
  44. @Slf4j @Configurable
  45. public class AnnotationSpringSystemRoleFactory extends SystemRoleFactorySupport
  46.   {
  47.     @javax.inject.Inject
  48.     @jakarta.inject.Inject
  49.     private BeanFactory beanFactory;

  50.     /***********************************************************************************************************************************************************
  51.      *
  52.      **********************************************************************************************************************************************************/
  53.     @javax.annotation.PostConstruct
  54.     @jakarta.annotation.PostConstruct
  55.     /* package */ void initialize()
  56.       {
  57.         log.debug("scanning classes with {} annotation...", DciRole.class);
  58.         scan(new ClassScanner().withAnnotationFilter(DciRole.class).findClasses());
  59.       }

  60.     /***********************************************************************************************************************************************************
  61.      * {@inheritDoc}
  62.      **********************************************************************************************************************************************************/
  63.     @SuppressWarnings("BoundedWildcard")
  64.     @Override @Nonnull
  65.     protected <T> Optional<T> getBean (@Nonnull final Class<T> beanType)
  66.       {
  67.         return Optional.ofNullable(beanFactory.getBean(beanType));
  68.       }
  69.   }