A hook which uses an external spring context to enter into spring managed transactions and dependency injection

StartupHookAction.java

package au.com.permeance.hook;

import au.com.permeance.service.FakeService;
import com.liferay.portal.kernel.events.ActionException;
import com.liferay.portal.kernel.events.SimpleAction;
import com.liferay.portal.kernel.servlet.ServletContextPool;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.web.context.support.WebApplicationContextUtils;

import javax.servlet.ServletContext;

public class StartupHookAction extends SimpleAction {

    @Override
    public void run(final String[] ids) throws ActionException {
        ServletContext servletContext = ServletContextPool.get("spring-hook");
        BeanFactory beanFactory = WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);
        FakeService fakeService = beanFactory.getBean(FakeService.class);
        try {
            fakeService.doStuff();
        }
        catch (Exception e) {
            throw new ActionException(e);
        }
    }

}