org.springframework.beans.PropertyAccessor#setPropertyValue ( )源码实例Demo

/**
 * Handle Spring-initialization of resoures produced by the UIMA framework.
 */
public static Resource initResource(Resource aResource, ApplicationContext aApplicationContext) {
  AutowireCapableBeanFactory beanFactory = aApplicationContext.getAutowireCapableBeanFactory();

  if (aResource instanceof PrimitiveAnalysisEngine_impl) {
    PropertyAccessor pa = PropertyAccessorFactory.forDirectFieldAccess(aResource);

    // Access the actual AnalysisComponent and initialize it
    AnalysisComponent analysisComponent = (AnalysisComponent) pa
            .getPropertyValue("mAnalysisComponent");
    initializeBean(beanFactory, analysisComponent, aResource.getMetaData().getName());
    pa.setPropertyValue("mAnalysisComponent", analysisComponent);

    return aResource;
  } else {
    return (Resource) beanFactory.initializeBean(aResource, aResource.getMetaData().getName());
  }
}
 

private Directory getDirectoryService() {
  HttpTransport httpTransport = new NetHttpTransport();
  JacksonFactory jacksonFactory = new JacksonFactory();
  GoogleCredential credential = getGoogleCredential();

  PropertyAccessor accessor = PropertyAccessorFactory.forDirectFieldAccess(credential);
  accessor.setPropertyValue("serviceAccountUser", config.getAdminUsername());
  accessor.setPropertyValue("serviceAccountScopes", SERVICE_ACCOUNT_SCOPES);

  return new Directory.Builder(httpTransport, jacksonFactory, credential)
      .setApplicationName("Spinnaker-Fiat")
      .build();
}