问题描述
如何/应该将一个对象从ContainerRequestFilter传递到（JAX-RS）Resteasy版本3.0.11中的（后匹配）资源，该版本已嵌入并使用Guice？
How can/should I pass an object from a ContainerRequestFilter to a (post-matching) resource in (JAX-RS) Resteasy version 3.0.11 that has undertow embedded and uses Guice?
推荐答案
方法存储的值与 HttpServletRequest 同步。因此，使用普通的JAX-RS，您可以存储如下属性：
The method ContainerRequestContext#setProperty stores values which are synced with the HttpServletRequest. So with plain JAX-RS you can store an attribute like this:
@Provider
public class SomeFilter implements ContainerRequestFilter {
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
requestContext.setProperty("someProperty", "someValue");
}
}
之后你可以在你的资源类：
And afterwards you can obtain it in your resource class:
@GET
public Response someMethod(@Context org.jboss.resteasy.spi.HttpRequest request) {
return Response.ok(request.getAttribute("someProperty")).build();
}
使用CDI，您还可以在过滤器和资源类中注入任何bean： / p>
With CDI you also can inject any bean in the filter and resource class:
@Provider
public class SomeFilter implements ContainerRequestFilter {
@Inject
private SomeBean someBean;
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
someBean.setFoo("bar");
}
}
在您的资源类中：
@Inject
private SomeBean someBean;
@GET
public Response someMethod() {
return Response.ok(someBean.getFoo()).build();
}
我希望与Guice一起工作。
I'd expect the same to be working with Guice.
更新：正如@bakil指出的那样，如果对象是你，你应该使用 @RequestScoped bean想传递只应与当前请求相关联。
Update: As @bakil pointed out correctly you should use a @RequestScoped bean if the object you want to pass should only be associated with the current request.
这篇关于如何将对象从ContainerRequestFilter传递给Resource的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！