ObjectifyFactory FactoryBean with automatic Entity registration

applicationContext.xml

<bean id="objectifyFactoryFactoryBean" class="com.tristanburch.objectify.ObjectifyFactoryFactoryBean">
	<property name="basePackage" value="com.tristanburch.model" />
</bean>

ObjectifyFactoryFactoryBean.java

package com.tristanburch.objectify;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider;
import org.springframework.core.type.filter.AnnotationTypeFilter;

import com.googlecode.objectify.ObjectifyFactory;
import com.googlecode.objectify.ObjectifyService;
import com.googlecode.objectify.annotation.Entity;
import com.googlecode.objectify.annotation.EntitySubclass;
import com.googlecode.objectify.impl.translate.opt.BigDecimalLongTranslatorFactory;
import com.googlecode.objectify.impl.translate.opt.joda.JodaTimeTranslators;

public class ObjectifyFactoryFactoryBean implements FactoryBean<ObjectifyFactory>, InitializingBean {
	private static final Logger log = LoggerFactory.getLogger(ObjectifyFactoryFactoryBean.class);
	
	private ObjectifyFactory objectifyFactory;
	
	private String basePackage;

	@Override
	public ObjectifyFactory getObject() throws Exception {
		return objectifyFactory;
	}

	@Override
	public Class<?> getObjectType() {
		return ObjectifyFactory.class;
	}

	@Override
	public boolean isSingleton() {
		return true;
	}

	@Override
	public void afterPropertiesSet() throws Exception {
		ObjectifyFactory objectifyFactory = ObjectifyService.factory();

		JodaTimeTranslators.add(objectifyFactory);
		objectifyFactory.getTranslators().add(new BigDecimalLongTranslatorFactory());

		log.info("Finding classes with @Entity or @EntitySubclass annotations in {} to register on ObjectifyFactory", basePackage);
		ClassPathScanningCandidateComponentProvider scanner = new ClassPathScanningCandidateComponentProvider(false);
		scanner.addIncludeFilter(new AnnotationTypeFilter(Entity.class));
		scanner.addIncludeFilter(new AnnotationTypeFilter(EntitySubclass.class));

		for (BeanDefinition bd : scanner.findCandidateComponents(basePackage)) {
			log.info("Registering class {}", bd.getBeanClassName());
			objectifyFactory.register(Class.forName(bd.getBeanClassName()));
		}

		this.objectifyFactory = objectifyFactory;
	}
	
	public void setBasePackage(String basePackage) {
		this.basePackage = basePackage;
	}
}

ObjectifyFactoryService.java

package com.tristanburch.objectify;

import com.googlecode.objectify.ObjectifyFactory;
import com.googlecode.objectify.ObjectifyService;
import com.googlecode.objectify.impl.translate.opt.BigDecimalLongTranslatorFactory;
import com.googlecode.objectify.impl.translate.opt.joda.JodaTimeTranslators;

public class ObjectifyFactoryService {

	public static ObjectifyFactory createInstance() {
		ObjectifyFactory objectifyFactory = ObjectifyService.factory();

		JodaTimeTranslators.add(objectifyFactory);
		objectifyFactory.getTranslators().add(new BigDecimalLongTranslatorFactory());

		return objectifyFactory;
	}

}