Spring Web应用程序:Post-DispatcherServlet初始化

问题描述

我正在使用Spring 3.2 DispatcherServlet.我正在寻找在初始化完成后 发生的初始化钩子；标准的Spring解决方案或servlet解决方案.有什么建议吗?

I am using Spring 3.2 DispatcherServlet. I am looking for an initialization hook that takes place after the DispatcherServlet initialization completes; either a standard Spring solution or servlet solution. Any suggestions?

作为参考，遵循Servlet启动后的最终日志记录语句.我希望我的初始化方法在configured successfully 日志语句.

As a point of reference, the final logging statements after servlet startup follow. I want my initialization method to execute right after the configured successfully log statement.

DEBUG o.s.w.s.DispatcherServlet - Published WebApplicationContext of servlet 'mySpringDispatcherServlet' as ServletContext attribute with name [org.springframework.web.servlet.FrameworkServlet.CONTEXT.mySpringDispatcherServlet]
INFO  o.s.w.s.DispatcherServlet - FrameworkServlet 'mySpringDispatcherServlet': initialization completed in 5000 ms
DEBUG o.s.w.s.DispatcherServlet - Servlet 'mySpringDispatcherServlet' configured successfully

根据我的研究，到目前为止，以下内容尚未达到预期的效果:

From my research, so far the following have not had the desired effect:

1. 根据此答案扩展ContextLoaderListener/实施ServletContextListener.
2. 每个rel ="nofollow noreferrer > javaoc .
3. 我的豆子成功使用@PostConstruct；我正在寻找一个Servlet或容器级别的钩子，该钩子将在容器初始化和对bean进行后处理之后基本上执行.

1. Extending ContextLoaderListener/implementing ServletContextListener per this answer.
2. Implementing WebApplicationInitializer per the javaoc.
3. My beans use @PostConstruct successfully; I'm looking for a Servlet or container level hook that will be executed essentially after the container initializes and post-processes the beans.

推荐答案

根本问题是我无法覆盖final方法 HttpsServlet.init() .我在DispatcherServlet.initWebApplicationContext中找到了附近的@Override -able方法，可确保我的bean和上下文已完全初始化:

The root issue was that I couldn't override the final method HttpsServlet.init(). I found a nearby @Override-able method in DispatcherServlet.initWebApplicationContext that ensured my beans and context were fully initialized:

@Override
protected WebApplicationContext initWebApplicationContext()
{
    WebApplicationContext wac = super.initWebApplicationContext();

    // do stuff with initialized Foo beans via:
    // wac.getBean(Foo.class);

    return result;
}

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